(c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices SENTRON Configuration Manual Edition 10/2015 siemens.com/lowvoltage (c) Siemens AG 2016 (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) 2 Introduction 4 5SV / 5SM3 RCCBs 13 SIQUENCE 5SM3/5SU1 universal current sensitive RCCBs, type B and type B+ 19 Additional components 23 5SM2 RC units 26 5SU1 RCBOs 34 5SM6 AFD units 37 5SM6 AFD units for PV applications 39 5ST busbars for modular installation devices 42 5SM1 and 5SZ9 RCCB socket outlets 43 Configuration For further technical product information: Siemens Industry Online Support: www.siemens.com/lowvoltage/productsupport . Entry type: Application example Certificate Characteristic Download FAQ Manual Product note Software archive Technical data Siemens * 10/2015 (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) Introduction 5SM3 RCCBs Application Standards Used in Industry 5SV RCCBs Page Residential buildings Devices Non-residential buildings Overview 4 Personnel, material and fire protection, as well as protection against direct contact. SIGRES with active condensation protection for use in harsh environments. Super resistant and selective versions IEC/EN 61008 OVE EN 61008 OVE/ONORM E 8601 Personnel, material and fire protection, as well as protection against direct contact IEC/EN 61008 OVE EN 61008 OVE/ONORM E 8601 4 IEC/EN 62423 IEC/EN 62423 SIQUENCE 5SM3/5SU1 Universal current sensitive RCCBs, type B and type B+ 13 SIQUENCE, the technology of universal VDE 0664-100 current-sensitive residual current proVDE 0664-200 tective devices VDE V 0664-110 -- Additional components 19 Remote controlled mechanisms, IEC/EN 62019 auxiliary switches for all residual current operated circuit breakers. -- Leakage current measurement device for fault locating and the optimum selection of RCCBs 10 mA 30 mA 2 2 3 RC units, 5SM2 23 The freely selectable combination of RC IEC/EN 61009 units with miniature circuit breakers permits the flexible configuration of RCBO combinations -- 5SU1 RCBOs 26 The ideal protection combination for all IEC/EN 61009 electrical circuits due to the compact device versions of RCCBs and miniature circuit breakers in a single device 5SM6 AFD units 34 Enhanced fire protection through the detection and isolation of arcing faults -- 5ST busbars for modular installation devices 39 Busbars in 10 mm2 and 16 mm2save -space in the distribution board and time during mounting. 5SM1 and 5SZ9 RCCB Socket outlets 42 For retrofitting in existing installations Configuration 43 This section tells you all you need to -know about RCCBs in combination with miniature circuit breakers, with information about tripping characteristics, selectivity and breaking capacity 4 Siemens * 10/2015 IEC/EN 62606 VDE 0664 (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) Introduction SIGRES SIGRES RCCBs were developed for use in harsh ambient conditions, such as swimming baths as protection against chlorine and ozone, in the agricultural sector (ammonia), on building sites and in the chemical industry (nitrogen oxide, sulfur dioxide, solvents), in the food processing industry (hydrogen sulfide) and in unheated rooms (dampness). The patented active condensation protection requires a continuous power supply and bottom infeed if the RCCB is switched off. Design RCCB Selection criterion RCBO RC unit Type AC F A Equipment, circuit, load current, residual current B B+ When used in ambient conditions as defined in product standard EN 61008-1, the operation interval for pressing the test button can be extended to once a year. Version Super resistant ae Super resistant (short-time delayed) RCCBs meet the maximum permissible break times for instantaneous devices. However, by implementing a short-time delay they prevent unnecessary tripping operations, and thus plant faults, when pulse-shaped leakage currents occur - as is the case when capacitors are switched on. Selective i Can be used as upstream group switch for selective tripping contrary to downstream, instantaneous or short-time delayed RCCBs. Note: K S 1+N 2 SIGRES 500 V 50- 400 Hz Number of poles 3 System, equipment, ambient conditions Equipment 3+N 4 Rated residual current In protection objective Residual current protection In > 30mA Fire Additional Trip conditions protection protection limited In In 300 mA In 30 mA Installation regulation VDE 0100-410 -530 -7xx -482 VDS 3501 Rated current In Equipment Only with RCBOs with MCB characteristic C Trip conditions acc. to VDE 0100-410 Equipment For more information on the subject of residual current protective devices, see the technology primer "Residual Current Protective Devices", Article No.: E10003-E38-2B-G0090-7600. B D I201_15509b Selection aid for finding the appropriate residual current protective device Siemens * 10/2015 3 (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) 5SV / 5SM3 RCCBs Overview Benefits RCCBs are used in all systems up to 240/415 V AC. Devices of type AC trip in the event of sinusoidal AC residual currents, type A also trips in the event of pulsating DC residual currents. In addition, RCCBs type F also detect residual currents with mixed frequencies up to 1 kHz. RCCBs with a rated residual current of maximum 30 mA are used for personnel, material and fire protection, as well as for protection against direct contact. RCCBs with a rated residual current of 10 mA are primarily used in areas that represent an increased risk for personnel. Since the introduction of DIN VDE 0100-410, all socket outlet current circuits up to 20 A must also be fitted with residual current protective devices with a rated residual current of max. 30 mA. This also applies to outdoor electrical circuits up to 32 A for the connection of portable equipment. Devices with a rated residual current of maximum 300 mA are used as preventive fire protection in case of insulation faults. RCCBs with a rated residual current of 100 mA are primarily used outside Europe. 4 Siemens * 10/2015 * Instantaneous RCCBs with the N connection on the left-hand side enable simple bus mounting with standard pin busbars with miniature circuit breakers installed on the right-hand side * Instantaneous RCCBs with the N connection on the right-hand side can be bus-mounted with miniature circuit breakers using a special pin busbar * Instantaneous type A devices have a surge current withstand capability with current waveform 8/20 s of more than 1 kA, super resistant of more than 3 kA and selective of more than 5 kA. This ensures safe operation * SIGRES has an extremely long service life due to a patented active condensation protection and identical dimensions enable the quick and easy replacement of existing instantaneous RCCBs * Super resistant devices increase system availability, as unnecessary tripping is prevented in power supply systems with short-time glitches * Selective RCCBs increase system availability as a staggered tripping time enables the selective tripping of RCCBs connected in series in the event of a fault * Auxiliary switches or remote controlled mechanisms are also available as additional components * The operating handle and the test button can be locked by means of a handle locking device * All additional components that match the 5SY and 5SL miniature circuit breakers can also be fitted on the 5SV (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) 5SV / 5SM3 RCCBs Technical specifications 5SV3 Instantaneous SIGRES Super resistant Selective IEC/EN 61008-1 (VDE 0664-10); IEC/EN 61008-2-1 (VDE 0664-11); IEC/EN 61543 (VDE 0664-30); IEC/EN 62423 (VDE 0664-40) Standards Surge current withstand capability * Type A with current waveform 8/20 s Acc. to EN 60060-2 (VDE 0432-2) kA >1 * Type F with current waveform 8/20 s Acc. to EN 60060-2 (VDE 0432-2) kA -- * 30 mA devices V AC 195 * Non-30 mA devices V AC 100 * 24 V devices V AC 20 >3 >5 -- >3 -- 1 year 1/2 year Bottom Top or bottom Minimum operational voltage for test function operation Test cycles 1/2 year Insulation coordination * Overvoltage category III Pollution degree 2 Terminal conductor cross-sections * 1-wire - Solid ( 10 mm2) / stranded ( 16 mm2) - Finely stranded with non-insulated end sleeve - Finely stranded with insulated end sleeve - Finely stranded without end sleeve mm2 mm2 mm2 mm2 0.75 ... 35 0.75 ... 25 0.75 ... 25 1 ... 35 * 2-wire, same cross-section, same conductor type - Solid ( 10 mm2) / stranded ( 16 mm2) - Finely stranded with non-insulated end sleeve - Finely stranded with insulated end sleeve - Finely stranded without end sleeve mm2 mm2 mm2 mm2 0.75 ... 10 0.75 ... 4 0.75 ... 4 1 ... 4 * 1-wire + busbar (pin thickness 1.5 mm) - Solid ( 10 mm2) / stranded ( 16 mm2) - Finely stranded with non-insulated end sleeve - Finely stranded with insulated end sleeve mm2 mm2 mm2 10 ... 25 6 ... 25 6 ... 16 * Up to In = 80 A Nm 2.5 * At In = 100 A, 125 A Nm 3.0 ... 3.5 Terminal tightening torque Top or bottom Mains connection Hz Rated frequency 50/601) Any Mounting position (on a standard mounting rail) Degree of protection Acc. to EN 60529 (VDE 0470-1) IP20, if the distribution board is installed, with connected conductors Touch protection Acc. to EN 50274 (VDE 0660-514) Finger and back-of-hand safe Service life Average number of switching cycles Test cycle acc. to IEC/EN 61008 > 10000 Storage temperature C -40 ... +75 Ambient temperature C -25 ... +45, marked with Resistance to climate Acc. to IEC 60068-2-30 CFC and silicone-free 1) -25 28 cycles (55 C; 95 % rel. air humidity) Yes 5SV residual current operated circuit breakers have been developed for 50 Hz systems and can detect and shut down ground fault currents of this frequency, but in the case of residual currents that deviate markedly from this frequency, or that have a higher proportion of harmonics, the trip values increase slightly. Siemens * 10/2015 5 (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) 5SV / 5SM3 RCCBs Power losses per conducting path under rated current load 1) Note: For SIGRES versions, the power ratings below must be added for each device for heating of the holding magnet release: * 2 MW: 0.33 W * 4 MW: 0.4 W 6 Siemens * 10/2015 MLFB Power losses per MLFB conducting path Pv [W] Power losses per conducting path Pv [W] 5SV3111-6 5SV3111-6KL 5SV3311-6 5SV3311-6KK12 5SV3311-6KK13 5SV3311-6KL 5SV3312-3 5SV3312-6 5SV3312-6KK01 5SV3312-6KK12 5SV3312-6KK13 5SV3312-6KL 5SV3314-3 5SV3314-6 5SV3314-6KK01 5SV3314-6KK12 5SV3314-6KK13 5SV3314-6KL 5SV3314-6LA 5SV3314-6LA01 5SV3316-3 5SV3316-6 5SV3316-6KK01 5SV3316-6KK12 5SV3316-6KK13 5SV3316-6KL 5SV3317-3 5SV3317-6 5SV3317-6KK01 5SV3317-6KL 5SV3342-3 5SV3342-6 5SV3342-6KK01 5SV3342-6KK03 5SV3342-6KK12 5SV3342-6KL 5SV3344-3 5SV3344-6 5SV3344-6KK01 5SV3344-6KK03 5SV3344-6KK12 5SV3344-6KL 5SV3344-6LA 5SV3344-6LA01 5SV3346-3 5SV3346-6 5SV3346-6KK01 5SV3346-6KK12 5SV3346-6KL 5SV3346-6LA 5SV3346-6LA01 5SV3347-3 5SV3347-6 5SV3347-6KK01 5SV3347-6KK12 5SV3347-6KL 5SV3352-6 5SV3354-6 5SV3356-6 5SV3357-6 5SV3412-6 5SV3412-6KL 5SV3414-6 5SV3414-6KL 0.7 0.7 0.4 0.5 1) 0.4 0.4 0.8 1.0 0.8 0.8 1) 1.0 1.0 1.5 2.6 1.5 1.5 1) 2.6 2.6 1.5 1.5 5.3 5.3 5.3 5.3 1) 5.3 5.3 5.6 5.6 5.6 5.6 0.8 1.3 0.8 1.3 0.8 1) 1.3 1.8 3.9 1.8 3.9 1.8 1) 3.9 1.8 1.8 3.9 3.9 3.9 3.9 1) 3.9 3.9 3.9 4.1 4.1 4.1 4.1 1) 4.1 0.8 1.8 3.9 4.1 0.6 0.6 1.6 1.6 0.6 0.5 0.6 0.5 1.0 1.6 1.0 1.6 1.0 1.0 1.0 2.7 2.7 2.7 2.7 2.7 2.7 3.9 3.9 3.9 3.9 3.9 3.9 0.8 0.7 0.8 0.8 1) 0.7 0.8 1.8 2.0 1.8 1.8 1) 2.0 1.8 1.8 1.8 3.9 3.9 3.9 3.9 1) 3.9 3.9 3.9 1) 3.9 3.9 4.1 4.1 4.1 4.1 1) 4.1 4.1 4.1 0.8 1.8 3.9 4.1 0.8 1.8 3.9 3.9 4.1 3.9 1.0 5SV3612-6 5SV3612-6KK01 5SV3612-6KL 5SV3612-8 5SV3614-3 5SV3614-6 5SV3614-6KK01 5SV3614-6KL 5SV3614-7 5SV3614-8 5SV3614-8KL 5SV3616-3 5SV3616-6 5SV3616-6KK01 5SV3616-6KL 5SV3616-8 5SV3616-8KL 5SV3617-3 5SV3617-6 5SV3617-6KK01 5SV3617-6KL 5SV3617-7 5SV3617-8 5SV3642-3 5SV3642-6 5SV3642-6KK01 5SV3642-6KK12 5SV3642-6KL 5SV3642-8 5SV3644-3 5SV3644-6 5SV3644-6KK01 5SV3644-6KK12 5SV3644-6KL 5SV3644-7 5SV3644-8 5SV3644-8LA 5SV3646-3 5SV3646-6 5SV3646-6KK01 5SV3646-6KK12 5SV3646-6KL 5SV3646-8 5SV3646-8KK12 5SV3646-8KL 5SV3646-8LA 5SV3647-3 5SV3647-6 5SV3647-6KK01 5SV3647-6KK12 5SV3647-6KL 5SV3647-7 5SV3647-8 5SV3652-6 5SV3654-6 5SV3656-6 5SV3657-6 5SV3742-6 5SV3744-6 5SV3746-6 5SV3746-6KL 5SV3747-6 5SV3846-8 5SV3312-6BA (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) 5SV / 5SM3 RCCBs Power losses per conducting path under rated current load 1) Note: For SIGRES versions, the power ratings below must be added for each device for heating of the holding magnet release: * 2 MW: 0.33 W * 4 MW: 0.4 W MLFB Power losses per MLFB conducting path Pv [W] Power losses per conducting path Pv [W] 5SV3416-6 5SV3416-6KL 5SV3416-8 5SV3417-6 5SV3417-6KL 5SV3442-6 5SV3444-6 5SV3444-6LA 5SV3444-6LA01 5SV3444-8 5SV3444-8LA 5SV3446-6 5SV3446-6LA 5SV3446-6LA01 5SV3446-8 5SV3446-8LA 5SV3447-6 5SV3612-3 2.7 2.7 5.3 3.9 3.9 0.7 2.0 1.8 1.8 1.8 1.8 3.9 3.9 3.9 3.9 3.9 4.1 0.5 2.6 5.3 1.3 3.9 3.9 0.6 1.6 2.7 0.7 2.0 3.9 0.4 1.0 2.6 1.3 3.9 3.9 3.9 5SV3314-6BA 5SV3316-6BA 5SV3342-6BA 5SV3344-6BA 5SV3346-6BA 5SV3612-6BA 5SV3614-6BA 5SV3616-6BA 5SV3642-6BA 5SV3644-6BA 5SV3646-6BA 5SV5311-6KL 5SV5312-6KL 5SV5314-6KL 5SV5342-6KL 5SV5344-6KL 5SV5346-6KL 5SV5646-6KL Siemens * 10/2015 7 (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) 5SV / 5SM3 RCCBs 5SM3 Instantaneous Selective IEC/EN 61008-1 (VDE 0664-10); IEC/EN 61008-2-1 (VDE 0664-11); IEC/EN 61543 (VDE 0664-30); IEC/EN 62423 (VDE 0664-40) Standards Surge current withstand capability * Type A with current waveform 8/20 s Acc. to EN 60060-2 (VDE 0432-2) Minimum operational voltage for test function operation kA >1 V AC 195 Test cycles 1/2 year Insulation coordination * Overvoltage category III Pollution degree 2 >5 Terminal conductor cross-sections * 2 MW In = 100 A, 125 A mm2 1.5 ... 50 * 4 MW In = 100 A, 125 A mm2 2.5 ... 50 Nm 3.0 ... 3.5 Terminal tightening torque * In = 100 A, 125 A Mains connection Top or bottom Any Mounting position (on a standard mounting rail) Degree of protection Acc. to EN 60529 (VDE 0470-1) IP20, if the distribution board is installed, with connected conductors Touch protection Acc. to EN 50274 (VDE 0660-514) Finger and back-of-hand safe Service life Average number of switching cycles > 10000 Storage temperature C -40 ... +75 Ambient temperature C -25 ... +45, marked with Resistance to climate Acc. to IEC 60068-2-30 -25 28 cycles (55 C; 95 % rel. air humidity) CFC and silicone-free Yes Power losses per conducting path under rated current load Number of poles Rated current Rated residual current In [mA] Note: 0.4 W per unit must be added for SIGRES versions. Power losses per conducting path Pv [W] 2 16 2.5 0.82 2 1 4.3 2.5 4.2 3.25 4.4 3.65 1.2 0.47 3 1.2 4.9 3 5.8 4.8 8.9 8.9 25 40 63 80 4 25 40 63 80 125 8 Siemens * 10/2015 10 30 30 100/300 30 100/300 30 100/300 30 100/300 30 300/500 30 100/300/500 30 100/300/500/1000 30 300 30 100/300/500 (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) 5SV / 5SM3 RCCBs Suitable RCCB type B F A Circuits Load current Residual current i F1 AC mX i F1 B+ mX i F1 mX i F1 mX i F1 mX i F1 mX iL iL L1 N i F1 i F2 i F1 i F2 M t t PE i F1 mX i F1 mX i F1 mX 11 iL L1 L2 N PE iL i F1 i F2 i F1 i F2 M t t i F1 12 mX iL L1 L2 L3 N PE iL i F1 i F2 i F1 i F2 M t t i201_16045 13 Table: Possible residual current forms and suitable residual current devices Siemens * 10/2015 9 (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) 5SV / 5SM3 RCCBs Configuration When using residual current protective devices type F, please note the following: * They are not suitable for equipment that can generate smooth DC residual currents (see Table, page 9, circuits 8 to 13). * They are not suitable for installation in networks with frequencies that deviate from the rated frequency (50 Hz) (not at the outgoing terminal of a frequency converter). * When configuring and setting up electrical systems with type F, the same applies as for residual current protective devices type A, i.e. electrical loads that can generate smooth DC residual currents in the event of a fault are assigned their own circuit with a universal current-sensitive residual current protective device (type B or type B+). Wh Wh Type AC/A/F Type AC/A/F I n 300 mA S I n 300 mA S Type B/B+ kHz I n 30 mA i201_18413 I n 100 mA Type B/B+ Type AC/A/F I n 100 mA kHz I n 30 mA i201_18414 Type AC/A/F It is not permitted to branch off electrical circuits with these types of electrical loads downstream of pulse-current-sensitive residual current protective devices (type A or type F). 10 Siemens * 10/2015 (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) 5SV / 5SM3 RCCBs Dimensional drawings 5SV3 dimensional drawings 71 64 43,9 20 71 64 43,9 20 71,8 I201_18656 I201_18655 89,8 89,8 45,15 45,15 35,8 6,2 6,2 RCCBs, type A and type AC 1P+N, 2 MW RCCBs, type A and type AC 3P+N, 4 MW 5SM3 dimensional drawings RCCBs up to 80 A 1 N 1 3 5 N 2 N 2 N 2 6 N 72 45 36 4 I201_07860c 45 90 1 N 44 7 1P+N 2 MW 1P+N 2.5 MW 64 3P+N 4 MW RCCBs 100 and 125 A 2 N 36 2/L1 4/L2 6/L3 8/N 1P+N, 2 MW 44 72 7 44 7 I201_07830a I201_12856a 45 88 N 45 87 1/L1 3/L2 5/L3 7/N 1 65 70 65 68 3P+N, 4 MW Siemens * 10/2015 11 (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) 5SV / 5SM3 RCCBs Circuit diagrams Graphic symbols 1 N 1 3 5 N Tx 2 N I201_13637 I201_13636 Tx 2 4 6 N 1P+N 3P+N N connection, right N 1 N 1 3 5 N 2 N connection, left I201_13638 I202_25058 Tx N 2 4 6 N connection, left Note: The infeed for SIGRES devices must be from below at terminals 2, 4, 6 and N. 12 Siemens * 10/2015 (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) SIQUENCE 5SM3/5SU1 universal current-sensitive RCCBs, type B and type B+ Overview Frequency converters, medical devices and UPS systems are seeing increasing use in industry. Smooth DC residual currents or currents with low residual ripple may occur in the event of faults on these devices. Type A residual current protective devices are unable to detect these smooth DC residual currents. Furthermore, such smooth DC residual currents make type A devices increasingly insensitive to AC residual currents and pulsating DC residual currents. If a fault occurs, there is therefore no tripping and the desired protective function is no longer assured. UC-sensitive residual current protective devices of types B and B+ have an additional transformer which is supplied with a control signal. This enables an evaluation of the change of the transformer's operating range caused by smooth DC residual currents, thus ensuring the desired protective function. The residual current protective devices of type B are suitable for use in three-phase current systems before input circuits with rectifiers. They are not intended for use in DC systems and in networks with operating frequencies other than 50 Hz or 60 Hz. Benefits * Universal current-sensitive residual current protective devices detect not only AC residual currents and pulsating DC residual currents, but also smooth DC residual currents, thus ensuring the desired protective function with all types of residual current * With type B, the tripping characteristic is adapted to suit the increase of leakage currents at higher frequencies in systems with capacitive impedances, thus ensuring greater operating safety * Type B+ versions offer enhanced preventative fire protection and correspond to the prestandards DIN V VDE V 0664-110 and/or DIN V VDE V 0664-210 and VdS Directive 3501 * The RCBO is a compact device for up to 125 A. It provides not only personnel, material and fire protection but also overload and short-circuit protection for cables. This reduces wiring and mounting outlay * The RCBOs offer external remote tripping over terminals Y1/Y2 This supports implementation of central OFF circuits. The devices in this series are designed as residual current operated circuit breakers (RCCBs) up to 80 A and as residual current circuit breakers with integral overcurrent protection (RCBOs) for 100 A or 125 A in Characteristics C or D. All universal current-sensitive RCCBs, type B or B+ are now also available in a SIGRES version, meaning they are also ideal for use in harsh ambient conditions. When used in ambient conditions as defined in product standard EN 61008-1, the operation interval for pressing the test button can be extended to once a year. Siemens * 10/2015 13 (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) SIQUENCE 5SM3/5SU1 universal current-sensitive RCCBs, type B and type B+ Technical specifications SIQUENCE, 5SM3 RCCBs, type B and type B+ SIQUENCE, 5SU1 RCBOs type B and type B+ Standards IEC/EN 62423 (VDE 0664-40); IEC/EN 61543 (VDE 0664-30); additionally applicable for type B+; DIN VDE 0664-400 IEC/EN 62423 (VDE 0664-40); IEC/EN 61543 (VDE 0664-30); additionally applicable for type B+; DIN VDE 0664-401 Versions 1P+N 3P+N 4P Tripping characteristic -- -- C, D kA kA >3 -- >3 >5 >3 >5 Minimum operational voltage for test function operation V AC 195 195 195 Rated voltages Un V AC 230 400 400, 480 Rated frequency fn Hz 50 ... 60 Rated currents In A 16, 25, 40, 63 25, 40, 63, 80 100, 125 Rated residual currents In mA 30, 300 30, 300, 500 30, 300 Rated breaking capacity * Im * Icn A kA 800 -- Surge current withstand capability With current waveform 8/20 s Acc. to EN 60060-2 (VDE 0432-2) * Super resistant * Selective Insulation coordination * Overvoltage category Conductor cross-sections * Solid and stranded * Finely stranded, with end sleeve Terminal tightening torque For all devices -10 III mm2 2 mm 1.5 ... 25 1.5 ... 16 6 ... 50 6 ... 35 Nm 2.5 ... 3.0 3.0 ... 3.5 Mains connection Either top or bottom (bottom for the effectiveness of the SIGRES function even when switched off) Mounting position (on a standard mounting rail) Any Degree of protection according to EN 60529 (VDE 0470-1) IP20, if the distribution board is installed, with connected conductors Touch protection Acc. to EN 50274 (VDE 0660-514) Finger and back-of-hand safe Service life Average number of switching cycles > 10000 switching cycles Storage temperature C -40 ... +75 Ambient temperature C -25 ... +45, marked with -25 Resistance to climate acc. to IEC 60068-2-30 28 cycles (55 C; 95 % rel. air humidity) CFC and silicone-free Yes Power losses per conducting path under rated current load Note: 0.4 W per unit must be added for SIGRES versions. 14 Siemens * 10/2015 Number of poles Rated current Rated residual current In [mA] Power losses per conducting path Pv [W] 2/4 16 25 40 63 80 30/300 30/300 30/300 30/300/500 30/300/500 0.17 0.42 1.09 2.7 4.35 (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) SIQUENCE 5SM3/5SU1 universal current-sensitive RCCBs, type B and type B+ Characteristic curves 10000 Tripping values for rated residual current 30 mA Tripping current (mA) Tripping values for rated residual current 300 mA Tripping values for rated residual current 300 mA S Tripping values for rated residual current 500 mA / 500 mA S Upper limit according to VDE 0664-100 for 30 mA Upper limit according to VDE 0664-100 for 300 mA 1000 Upper limit according to VDE 0664-100 for 500 mA I202_02428a 100 10 1 10 100 1000 10000 Frequency (Hz) Tripping current as a function of frequency for type B 10000 Tripping current (mA) Tripping values for rated residual current 30 mA Tripping values for rated residual current 300 mA Upper limit according to DIN V VDE V 0664-110 and DIN V VDE V 0664-210 for 30 mA Upper limit according to DIN V VDE V 0664-110 and DIN V VDE V 0664-210 for 300 mA 1000 I201_18122 100 10 1 10 100 1000 10000 Frequency (Hz) Tripping current as a function of frequency for type B+ Siemens * 10/2015 15 (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) SIQUENCE 5SM3/5SU1 universal current-sensitive RCCBs, type B and type B+ I201_13972 Dimensional drawings 3 5 N 45 90 1 45 90 1 N N 2 72 6 N 72 44 7 4 I201_12429a T T 2 44 7 64 SIQUENCE RCCBs, type B and type B+ 1P+N, 4 MW 64 SIQUENCE RCCBs, type B and type B+ 3P+N, 4 MW 70 44 7 max 67 45 90 I201_13622 198 SIQUENCE RCBOs, type B and type B+ 4P, 11 MW Circuit diagrams Graphic symbols 3 5 N 2 4 6 N 16 Siemens * 10/2015 1 SIQUENCE RCCBs, type B and type B+ 3P+N, 4 MW 3 5 7 I201_13766 2 N SIQUENCE RCCBs, type B and type B+ 1P+N, 4 MW Y1 Y2 I201_13765a T 1 I201_13973 1 N 2 SIQUENCE RCBOs, type B and type B+ 4P, 11 MW 4 6 8 (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) SIQUENCE 5SM3/5SU1 universal current-sensitive RCCBs, type B and type B+ More information Device configuration Method of operation Universal current-sensitive protective devices are based on a pulse-current-sensitive circuit-protection device with tripping independent of line voltage, supplemented with an auxiliary unit for the detection of smooth DC residual currents. The following diagrams show the basic design. The universal current-sensitive residual current protective devices work independently of the supply voltage compliant with applicable requirements in Germany for Type A according to DIN VDE 0664-100. The summation current transformer W1 monitors the electrical system for AC and pulse current-type residual currents. The summation current transformer W2 detects the smooth DC residual currents and, in the event of a fault, relays the tripping command through electronic unit E to release A, which uses the mechanics to disconnect the circuit. 1 3 5 N M A W1 n RCBOs are a combination of an RCCB and a miniature circuit breaker for up to 125 A in a single compact device. T E This means they provide not only personnel, property and fire protection, but also overload and short-circuit protection for cables. The mechanics of the residual current protective device act on the tripping unit of the miniature circuit breaker, which disconnects the circuit. I201_13608a 2 4 6 This ensures tripping for smooth DC residual currents, as long as such residual current waveforms can occur, even in the event of faults in the electrical power supply, e.g. an N-conductor break. This means that the pulse-current-sensitive breaker component, which trips regardless of line voltage, will still reliably trigger the tripping operation - even in the highly unlikely event that two phase conductors and the neutral conductor fail - if the remaining intact phase conductor presents a fire hazard due to a ground fault. The residual current protective devices of type B are suitable for use in three-phase current systems before input circuits with rectifiers. They are not intended for use in DC systems and in networks with operating frequencies other than 50 Hz or 60 Hz. W2 n A voltage supply is required solely for the detection of smooth DC residual currents by a second transformer. This is done from all system cables and is dimensioned so that the electronics still reliably trip even with a voltage reduction to 50 V. N Design of RCCBs type B and type B+ 1 M 3 5 7 LS A n W1 n W2 T E I201_13609b 2 4 6 8 Design of RCBOs type B and type B+ M Mechanics of the RCCB LS Miniature circuit breaker component A Release E Electronics for tripping in the event of smooth DC residual currents n Secondary winding W1 Summation current transformer for detection of sinusoidal residual currents W2 Summation current transformer for detection of smooth DC residual currents T Test equipment Siemens * 10/2015 17 (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) SIQUENCE 5SM3/5SU1 universal current-sensitive RCCBs, type B and type B+ Protective effect at high frequencies In addition to the described residual current waveforms (AC residual currents, pulsating and smooth DC residual currents), AC residual currents with a wide range of frequencies may also occur on electronic equipment such as rectifiers in frequency converters or computer tomographs as well as at the outgoing terminal of a frequency converter. When configuring and installing electrical installations, electrical loads that can generate smooth DC residual currents in the event of a fault must be assigned a separate electrical circuit with a universal current-sensitive residual current protective device (type B): 230/400 V AC, 3-phase Requirements for frequencies up to 2 kHz are defined in the device regulations DIN VDE 0664-100. To date, only limited statements can be made with regard to the risk of ventricular fibrillations (up to 1 kHz) for frequencies higher than 100 Hz. No reliable statements can be made on any further effects of thermal or electrolytic influence on the human organism. Wh For this reason, protection against direct contact is only possible for frequencies up to 100 Hz. For higher frequencies, protection against indirect contact must be implemented under consideration of the frequency response of the residual current protective device, the maximum permissible touch voltage up to 50 V and permissible grounding resistance derived from this information. Max. permissible grounding resistance for touch voltage 50 V 25 V 160 30 mA S Type Type AC/A B/B+ n 100 mA n 30 mA 80 300 mA 16 1) 8 1) 500 mA 10 5 1) n 300 mA I201_13610c Rated residual current Type AC/A For type B+ the value is allowed to be up to 120 at 50 V and 60 at 25 V. Recommended maximum grounding resistance for SIQUENCE universal current-sensitive residual current protective devices type B and type B+. It is not permitted to branch electrical circuits with these types of electrical loads after pulse-current-sensitive residual current protective devices (type A): Versions Super resistant ae: Short-time delayed tripping in the case of transient leakage currents. High surge current withstand capability > 3 kA. 230/400 V AC, 3-phase Selective i: Can be used as upstream group switch for selective tripping contrary to a downstream, instantaneous or super resistant RCCB. Configuration DIN VDE 0100-530 "Selection of protective devices" also describes the configuration of systems with residual current protective devices. EN 50178 (DIN VDE 0160) "Electronic equipment for use in power installations" describes, among other things, how to select the type of residual current protective device suitable. Wh Type AC/A n 300 mA S Type Type AC/A B/B+ 100 mA n 30 mA I201_13611c n 18 Siemens * 10/2015 (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) Additional components Overview Remote controlled mechanisms are used for the remote ON/OFF switching of RCCBs. They also enable local manual switching. A blocking function permits maintenance work. A tripped RCCB must be acknowledged prior to switching back on. Auxiliary switches (AS) The auxiliary switch (AS) always signals the contact position, regardless of whether the RCCB was tripped manually or as the result of a fault. An additional version is also available for the switching of small currents and voltages for the control of programmable control systems (PLCs) acc. to EN 61131-2. The auxiliary switch with test button enables the testing of control circuits without the need to switch the RCCB. The leakage current measurement device detects the leakage currents - like the circuit breaker - thus providing a direct statement as to the current loading of the RCCB. It is used to measure leakage currents up to 300 mA. This requires a voltmeter with an internal resistance over 1 M/V and a measuring range for AC voltages of Urms = 1 mV to 2 V. For the fault-free operation of an RCCB, the measured leakage current should be no greater than 1/3 of the rated residual current. Fault signal contacts (FC) The fault signal contact (FC) signals automatic breaking in the event of a fault. If the fault signal contact is activated, the contact position does not change if the RCCB is tripped manually. Fault signal contacts with TEST and RESET buttons enable testing of control circuits without the need to trip the RCCB. The red RESET button integrated in the handle also indicates automatic tripping of the RCCB. The signal can be acknowledged manually using the RESET button. Benefits Shunt trips (ST) Shunt trips are used for the remote tripping of RCCBs. Undervoltage releases (UR) Undervoltage releases are integrated (e.g. in EMERGENCY STOP loops), thus ensuring tripping in the event of an emergency, which, in turn, ensures disconnection of the control circuit according to EN 60204. In the event that the voltage is interrupted or too low, it also trips, i.e. prevents activation of the RCCB. Can be universally retrofitted with all additional components * Captive metal brackets on the additional components ensure the quick and easy mounting of devices without the need for tools. * Fault signal contacts with TEST and RESET button enable simple testing of auxiliary circuits and, in the event of a fault, acknowledgement of the fault over the RESET button, without the need to switch the RCCBs. * The auxiliary switches with TEST button enable simple manual testing of control circuits during operation of the entire installation without the need to switch the RCCBs. * Bus systems, such as instabus KNX, AS-Interface bus or PROFIBUS, can be integrated in the communication over binary inputs * The leakage current measurement device enables the systematic selection of the rated residual current, thus preventing inadvertent tripping of an RCCB. Technical specifications Auxiliary switches (AS) 5SW330. Auxiliary switches (AS) 5SW3330 EN 62019 Standards Terminals * Conductor cross-section mm2 0.75 ... 2.5 * Tightening torque Nm 0.5 Short-circuit protection B6 or C6 or gL/gG 6 A fuse Min. contact load 50 mA/24 V Max. contact load * 230 V AC, AC-12 A 6 5 * 230 V AC, AC-14 A 3.6 -- * 220 V DC, DC-12 A 1 0.5 Siemens * 10/2015 19 (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) Additional components Auxiliary switches (AS) 5ST3010, 5ST3010-2 5ST3011, 5ST3011-2 5ST3012, 5ST3012-2 Fault signal contacts (FC) 5ST3013, 5ST3013-2 5ST3014, 5ST3014-2 5ST3015, 5ST3015-2 5ST3020, 5ST3020-2 5ST3021, 5ST3021-2 5ST3022, 5ST3022-2 Standards EN 62019; IEC/EN 60947-5-1; UL 1077; CSA C22.2 No. 235 Approvals www.siemens.com/lowvoltage/certificates Short-circuit protection Miniature circuit breaker or gG 6 A fuse Contact load * Min. * Max. 50 mA, 24 V -- 1 mA/5 V DC 50 mA/30 V DC 50 mA, 24 V -- * * * * 400 V AC, AC-14, NO 230 V AC, AC-14, NO 400 V AC, AC-13, NC 230 V AC, AC-13, NC A A A A 2 6 2 6 ----- 2 6 2 6 * * * * 220 V DC, DC-13, NO+NC 110 V DC, DC-13, NO+NC 60 V DC, DC-13, NO+NC 24 V DC, DC-13, NO+NC A A A A 1 1 3 6 ----- 1 1 3 6 20 000 actuations 20000 actuations 20000 actuations mm2 AWG 0.5 ... 2.5 22 ... 14 0.5 ... 2.5 22 ... 14 0.5 ... 2.5 22 ... 14 Nm lbs/in. 0.5 4.5 0.5 4.5 0.5 4.5 Service life, on average, with rated load Conductor cross-sections Terminals * Terminal tightening torque Any Any Any Ambient temperature C -25 ... +55 -25 ... +55 -25 ... +55 Storage temperature C -40 ... +75 -40 ... +75 -40 ... +75 Mounting position Resistance to climate Acc. to IEC 60068-2-30 Cycles 28 Shock Acc. to IEC 60068-2-27 m/s 50 at 11ms half-sine Resistance to vibrations Acc. to IEC 60068-2-6 m/s2 50 at 10 ... 150 Hz Undervoltage releases (UR) Shunt trips (ST) 5ST304. 5ST3030 5ST3031 EN 60947-1 Standards V AC 230 110 ... 415 24 ... 48 V DC 24, 110 110 24 ... 48 0.85 ... 1.1 x Un 0.7 ... 1.1 x Un -- 50 ... 60 * Tripping < 0.35 ... 0.7 x Un -- Short-circuit protection Miniature circuit breakers B/C 6 A or fuse gG 6 A Minimum contact load 50 mA, 24 V 50 mA, 24 V Tripping operations max. 2000 max. 2000 Service life, on average, with rated load 20000 actuations 20000 actuations mm2 AWG 0.5 ... 2.5 22 ... 14 0.5 ... 2.5 22 ... 14 Nm lbs/in. 0.8 6.8 0.8 6.8 Rated voltages Un * Operating range Un * Rated frequency fn Hz Response limits Conductor cross-sections Terminals * Terminal tightening torque Any Any Ambient temperature C -25 ... +55 -25 ... +55 Storage temperature C -40 ... +75 -40 ... +75 Mounting position Resistance to climate Acc. to IEC 60068-2-30 Cycles 28 Shock Acc. to IEC 60068-2-27 m/s 50 at 11ms half-sine Resistance to vibrations Acc. to IEC 60068-2-6 m/s2 50 at 10 ... 150 Hz -- Switching frequency Switching duration s -- Minimum command duration s -- Rated power dissipation VA -- Behavior in the event of control voltage failure 20 Siemens * 10/2015 -- (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) Additional components I201_13657 45 90 45 90 I201_12624a Dimensional drawings 9 44 18 63 6 6 73 74 44 70 5ST3030 5ST3031 5ST3040 5ST3041 5ST3042 5ST3043 5ST3044 5ST3045 90 9 70 I202_02033 I202_02032 I202_02033 I202_02032 90 45 90 5ST3050 45 90 5ST3010 5ST3011 5ST3012 5ST3013 5ST3014 5ST3015 5ST3020 5ST3021 5ST3022 70 9 5ST3020-2 5ST3021-2 5ST3022-2 Auxiliary switches (AS) for RCCBs for 5SM3 up to 80 A Auxiliary switches (AS) for RCCBs for 5SM3, 100 A, 125 A, 3P+N 45 90 45 87 I201_07861d I201_07862b 5ST3010-2 5ST3011-2 5ST3012-2 5ST3013-2 5ST3014-2 5ST3015-2 43 60 9 44 6 64 Leakage current measurement device I201_12624a Remote-controlled mechanism 1 3 5 N 45 90 45 90 7 I201_07843c 9 2 4 6 N 44 63 6 73 74 72 7 44 55 Siemens * 10/2015 21 (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) Additional components Circuit diagrams Graphic symbols Auxiliary switches (AS) 13 21 13 23 11 21 22 14 24 14 22 12 5ST3010 5ST3013 5ST3010-2 5ST3011 5ST3014 5ST3011-2 5ST3012 5ST3015 5ST3012-2 Auxiliary switches (AS) for RCCBs for 5SM3 up to 80 A Auxiliary switches (AS) for RCCBs for 5SM3, 100 A, 125 A, 3P+N 21 13 21 11 23 13 22 14 22 12 24 14 1 NO + 1 NC 2 NC 2 NO 23 11 24 12 1 NO + 1 NC Fault signal contacts (FC) 13 21 13 23 11 21 22 14 24 14 22 12 5ST3020 5ST3020-2 5ST3021 5ST3021-2 Shunt trips (ST) Undervoltage releases (UR) Remote controlled mechanisms (RC) D1 13 23 U v D1 U< D2 C2 5ST3022 5ST3022-2 14 24 M D2 P N 1 2 3 C1 I201_10741a ON OFF 5ST3030 5ST3031 5ST3040 5ST3041 5ST3042 5ST3043 5ST3044 5ST3045 Leakage current measurement device 1 3 5 N V 1 M/V 2 4 6 N I201_07078a More information Gossen-Metrawatt offers suitable test devices for RCCB function tests and for testing protective measures. Information is available at: Gossen-Metrawatt GmbH Thomas-Mann-Str. 16-20 D-90471 Nuremberg Tel. 0049 (0)/86 02-111 Fax 0049 (0) 9 11/86 02-777 www.gmc-instruments.com email: info@gmc-instruments.com 22 Siemens * 10/2015 P, N: Supply voltage 1: Return conductor 2: ON command 3: OFF command (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) 5SM2 RC units Overview RC units are used in all supply systems up to 240/415 V AC. Devices of type AC trip in the event of sinusoidal AC residual currents, type A also trips in the event of pulsating DC residual currents. In addition, RC units, type F also detect residual currents with mixed frequencies up to 1 kHz. RCCBs with a rated residual current of maximum 30 mA are used for personnel, material and fire protection, as well as for protection against direct contact. Devices with a rated residual current of maximum 300 mA are used as preventative fire protection in case of insulation faults. RC units are combined with miniature circuit breakers with A, B, C and D characteristics, provided that these are available in the MCB range. The two components are simply plugged together without the need for any tools. Benefits * Our wide variety of RC unit types and comprehensive range of miniature circuit breakers offer a huge spectrum of combinations for all applications * Instantaneous type A devices have a surge current withstand capability with current waveform 8/20 s of more than 1 kA, super resistant of more than 3 kA and selective of more than 5 kA. This ensures safe operation * All additional components for miniature circuit breakers can be retrofitted on the right-hand side * All 100 A and 125 A RC units offer external remote tripping over terminals Y1/Y2. This supports implementation of central OFF circuits * Both components can be simply plugged into each other and secured with captive metal brackets - no tools required. This saves considerable time when mounting They then form a combination of RCCB and miniature circuit breakers for personnel, fire and line protection. The dimensioning of the rated residual current depends on the size of the plant. Siemens * 10/2015 23 (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) 5SM2 RC units Technical specifications 5SM2 IEC/EN 61009-1 (VDE 0664-20), IEC/EN 61009-2-1 (VDE 0664-21), IEC/EN 61543 (VDE 0664-30), IEC/EN 62423 (VDE 0664-40) Standards Surge current withstand capability * Type A with current * Acc. to EN 60060-2 waveform 8/20 s (VDE 0432-2) - Instantaneous - Super resistant - Selective kA kA kA >1 >3 >5 kA >3 Minimum operational voltage for test function operation V AC 195 Rated voltage Un V AC 230 ... 400 Rated frequency fn Hz 50 ... 60 Rated currents In A 0.3 ... 16; 0.3 ... 40; 0.3 ... 63; 80 ... 100 Rated residual currents In mA 10, 30, 100, 300, 500, 1000 * Type F with current waveform 8/20 s Acc. to EN 60060-2 (VDE 0432-2) Insulation coordination * Overvoltage category III Pollution degree 2 Terminal conductor cross-sections * Up to In = 63 A * At In = 80 ... 100 A mm2 mm2 1.5 ... 25 6.0 ... 50 Terminal tightening torque Nm 2.5 ... 3.0 Either top or bottom Mains connection Any Mounting position (on a standard mounting rail) Degree of protection Acc. to EN 60529 (VDE 0470-1) IP20, if the distribution board is installed, with connected conductors Touch protection Acc. to EN 50274 (VDE 0660-514) Finger and back-of-hand safe Service life Average number of switching cycles > 10000 switching cycles Storage temperature C -40 ... +75 Ambient temperature C -25 ... +45, marked with Resistance to climate Acc. to IEC 60068-2-30 -25 28 cycles (55 C; 95 % rel. air humidity) CFC and silicone-free Yes Power losses per conducting path under rated current load Number of poles Rated current Rated residual current In [A] Power losses per conducting path Pv [W] 2 2/3/4 16 40 63 40 63 80 80 100 100 2.5 3.6 4.6 1.9 3.0 4.8 4.0 6.0 5.0 2/4 24 Siemens * 10/2015 0.01 0.03 0.03 0.3/0.5/1 0.1/0.3/0.5/1 0.3 0.3/1 0.3 0.3/1 (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) 5SM2 RC units Dimensional drawings 6 2 71 8 6,3 44 124 106,5 2P 6 54 54 36 4 3P 10 4 2 I201_08434a 45 90 RC units for 5SY 64 4P 63 I201_06672 RC units for 5SP4 90 Y1 Y2 T I201_06671b T 45 90 45 90 Y1 Y2 2/1 4/3 6/5 8/7 7 180 180 2/1 4/3 44 64 2P 7 44 64 4P Circuit diagrams Graphic symbols RC units for 5SY 1 3 5 1 3(N) I201_13640b 2/1 4/3 2 4 I201_13641b 2P 2/1 4/3 6/5 2 4 6 3P 1 3 5 7(N) I201_13642b 2/1 4/3 6/5 8/7 2 4 6 8 4P RC units for 5SP4 1 3(N) Y1 Y2 I201_13643b 2P 2/1 4/3 2 4 Y1 Y2 I201_13644b 1 3 5 7(N) 2/1 4/3 6/5 8/7 2 4 6 8 4P Siemens * 10/2015 25 (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) 5SU1 RCBOs Overview RCBOs are a combination of an RCCB and a miniature circuit breaker in a compact design for personnel, fire and line protection. For personnel protection and fire protection, the residual current part of the type AC trips in the event of sinusoidal AC residual currents, type A also trips in the event of pulsating DC residual currents. In addition, RCBOs type F also detect residual currents with mixed frequencies up to 1 kHz. RCBOs with a rated residual current of maximum 30 mA are used for personnel, material and fire protection, as well as for protection against direct contact. RCBOs with a rated residual current of 10 mA are primarily used in areas that represent an increased risk for personnel and in the outdoor installations of residential buildings. Devices with a rated residual current of maximum 300 mA are used as preventative fire protection in case of insulation faults. The MCB part of the RCBO protects lines against overload and short circuits and is available in characteristics B and C. Since DIN VDE 0100-410 came into effect in June 2007, all socket outlet current circuits up to 20 A must now also be fitted with residual current protective devices with a rated residual current of max. 30 mA. This also applies to outdoor electrical circuits up to 32 A for the connection of portable equipment. In order to implement this protection, we recommend the national use of RCBOs with 30 mA. Assignment to each individual branch circuit helps prevent the undesired tripping of fault-free circuits induced by the accumulation of operation-related leakage currents or by transient current pulses during switching operations. Additional components of the 5SY miniature circuit breakers can be mounted at the side and carry out additional functions. For further details on additional components, see Catalog LV 10, chapter "Miniature Circuit Breakers". RCBOs comprise one part for fault-current detection and one part for overcurrent detection. They are equipped with a delayed overload/time-dependent thermal release (thermal bimetal) for low overcurrents and with an instantaneous electromagnetic release for higher overload and short-circuit currents. The special contact materials used guarantee a long service life and offer a high degree of protection against contact welding. Benefits For all versions * Clear and visible conductor connection in front of the rear busbar facilitates controls * Large and easily accessible wiring space enables easy insertion of conductor in the terminals * The surge current withstand capability of over 1 kA ensures safe and reliable operation * All additional components for miniature circuit breakers can be retrofitted on the right-hand side. For all 10 kA versions up to 40 A * Integrated movable terminal covers located at the cable entries ensure the terminals are fully insulated when the screws are tightened. The effective touch protection when grasping the device considerably exceeds the requirements of BGV A3 * The RCBOs can be quickly and easily removed from the assembly by hand if connections need to be changed. Timesaving replacement of parts as busbars no longer need to be freed from adjacent miniature circuit breakers. 26 Siemens * 10/2015 For all 125 A versions * The RCBOs offer external remote tripping over terminals Y1/Y2. This supports implementation of central OFF circuits. (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) 5SU1 RCBOs Technical specifications Up to 40 A 125 A IEC/EN 61009-1 (VDE 0664-20); IEC/EN 61009-2-1 (VDE 0664-21) IEC/EN 61543 (VDE 0664-30); IEC/EN 62423 (VDE 0664-40) Standards Rated voltages Un V AC 230 Rated frequency fn Hz 50 ... 60 Rated currents In A 6, 8, 10, 13, 16, 20, 25, 32, 40 125 Rated residual currents In mA 10, 30, 100, 300 30, 300, 1000 Rated breaking capacity kA 6 / 10 10 3 -- kA kA kA >1 >3 >5 -- * Type F with current waveform 8/20 s kA >3 -- Minimum voltage for operation of the test equipment V AC 195 Energy limitation class Surge current withstand capability, type A * With current Acc. to EN 60060-2 waveform 8/20 s (VDE 0432-2) - Instantaneous - Super resistant - Selective Insulation coordination * Overvoltage category III Pollution degree 2 400 Terminal conductor cross-sections * Solid and stranded * Finely stranded with end sleeve mm2 mm2 0.75 ... 35 0.75 ... 25 6 ... 50 6 ... 35 Terminal tightening torque Nm 2.5 ... 3.0 3.0 ... 3.5 Top or bottom Mains connection Any Mounting position (on a standard mounting rail) Degree of protection Acc. to EN 60529 (VDE 0470-1) IP20, if the distribution board is installed, with connected conductors Touch protection Acc. to EN 50274 (VDE 0660-514) Finger and back-of-hand safe Service life Average number of switching cycles > 10000 Storage temperature C -40 ... +75 Ambient temperature C -25 ... +45, marked with Resistance to climate Yes CFC and silicone-free Power losses Note: All data under loading with rated current In. -25 28 cycles (55 C; 95 % rel. air humidity) Acc. to IEC 60068-2-30 Rated current Rated residual In [A] current In [mA] 6 8 10 13 16 20 25 32 40 10 30 ... 300 30 ... 300 10 30 ... 300 10 30 ... 300 10 30 ... 300 30 ... 300 30 ... 300 30 ... 300 30 ... 300 Power losses per conducting path Pv [W] Characteristic B Characteristic C 2.8 2.7 -2.4 1.8 3.5 2.4 4.7 3.0 3.7 5.1 5.7 7.8 2.2 1.9 1.2 2.2 1.6 3.3 2.2 4.5 2.8 3.3 5.1 5.7 7.8 Siemens * 10/2015 27 (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) 5SU1 RCBOs 28 Siemens * 10/2015 (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) 5SU1 RCBOs Characteristic curves Tripping characteristics according to EN 61009-1 (VDE 0664 Part 20) Tripping characteristic B Tripping characteristic C 1.13 1.45 120 I201_13653 Tripping time Minutes 60 40 20 10 6 4 20 10 6 4 2 1 40 20 20 10 6 4 10 6 4 2 2 1 0.6 0.4 1 0.6 0.4 0.2 0.2 0.1 0.06 0.04 0.1 0.06 0.04 0.02 0.02 0.01 1 1.5 2 3 4 5 6 8 10 15 20 Multiple of rated current 0.01 1 30 Line protection mainly in outlet circuits; no proof required regarding personal safety I201_13652 60 40 2 1 40 Seconds Seconds Tripping time Minutes 1.13 1.45 120 1.5 2 3 4 5 6 8 10 15 20 Multiple of rated current 30 General line protection, especially advantageous with higher starting currents (lamps, motors, etc.) Tripping characteristics at ambient temperature 30 C Tripping characteristic B Standards IEC/EN 61009-1 Thermal release Tripping time In 63 A I1 t I2 1.13 x In VDE 0664 Part 20 C Electromagnetic release Test currents: Small Large test current test current 1.45 x In 1.13 x In 1.45 x In In the case of an ambient temperature other than 30 C, the current values of the delayed tripping operation change by approx. 5 % per 10 K temperature difference. They rise in case of temperatures lower than 30 C and fall in case of temperatures higher than 30 C. If more than one electrical circuit is loaded in a series of MCBs or RCBOs, the resulting increase in ambient temperature affects the characteristic curve. In this case, it is necessary to take into account an additional correction factor, specific to the rated current of the RCBO. In > 63 A >1h >2h <1h <2h >1h >2h <1h <2h Test currents: Hold Latest tripping Tripping time I4 t I5 0.1 s 3 x In 5 x In < 0.1 s 0.1 s 5 x In 10 x In < 0.1 s Number 1 2 ... 3 4 ... 6 >7 Correction factor K 1.00 0.90 0.88 0.85 Breaking capacity Particular demands are made on the MCB part of the RCBO with regard to breaking capacity. The values are standardized and are determined according to the test conditions of EN 61009-1 (VDE 0664 Part 20). The most common values are 6 000 and 10 000 . Siemens * 10/2015 29 (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) 5SU1 RCBOs Let-through I2t values Rated switching capacity 5SU1, 6000 A Characteristic B Characteristic C 25/32/40 A 13/16/20 A 10 A 2 101 6 4 20/25/32/40 A 13/16 A 8/10 A 6A 3/4 A 2A 1,6 A 2 101 6A 6 4 6 4 2 2 100 100 6 4 6 4 1A 0,5 A 2 2 10-1 10-1 10-1 I201_15513 [kA2 s] I201_15512 6 4 102 2 2 [kA2s] 102 2 4 6 8 100 2 4 6 8 101 2 p 4 6 8 102 [kA] 0,3 A 6 4 2 10-2 10-2 2 4 6 8 10-1 2 4 6 8 100 2 4 6 8101 2 p Rated breaking capacity 5SU1, 10000 A Characteristic B 10 A 2 103 I201_16016a [kA2 s] 2 25/32/40 A 13/16/20 A I201_15514 Characteristic B 102 6 4 4 6 8 102 [kA] 6 4 6A 101 2 6 4 102 2 6 100 4 6 4 2 2 10-1 10-1 30 100/125 A 2 4 6 8 100 Siemens * 10/2015 2 4 6 8 101 2 4 6 8 102 p [kA] 101 4 6 8 100 80 A 2 4 6 8 101 (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) 5SU1 RCBOs Rated breaking capacity 5SU1, 10000 A Characteristic C 2 101 2A 1,6 A 6 4 I201_15516 103 [kA2 s] 20/25/32/40 A 13/16 A 8/10 A 6A 3/4 A 6 4 6 4 2 2 [kA2 s] 102 I201_15515 Characteristic C 2 102 2 6 1A 100 4 6 4 0,5 A 2 2 100/125 A 10-1 101 0,3 A 4 6 4 6 8 100 2 4 6 8 101 [kA] p 2 10-2 10-2 2 4 6 8 10-1 2 4 6 8 100 2 4 6 8101 2 p 4 6 8 102 [kA] Characteristic D I201_15517 103 6 4 2 102 6 4 100 A 2 101 4 6 8 100 2 4 6 8 101 Siemens * 10/2015 31 (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) 5SU1 RCBOs I201_13650a 45 90 Dimensional drawings 54 36 44 70 7 1P+N, up to 40 A 2P, up to 40 A 70 198 44 7 max 67 I201_13649a 45 90 117 2P, 125 A 4P, 125 A Handle coupler 5,2 O4 4,2 I201_12121a 17,9 26 Circuit diagrams Graphic symbols 1 N I201_13646a I201_13645a 1 3 2 N 1P+N, up to 40 A 2 4 2P, up to 40 A Y1 Y2 Y1 Y2 1 3 5 7(N) 2 2P, 125 A 32 Siemens * 10/2015 I201_13648a I201_13647a 1 3 4 2/1 4/3 6/5 8/7(N) 4P, 125 A (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) 5SU1 RCBOs More information Selectivity of RCBOs/fuses Distribution systems are usually set up as radial networks. An overcurrent protection device is required for each reduction of the conductor cross-section. This produces a series connection staggered according to rated currents, which should, if possible, be "selective". Selectivity means that, in the event of a fault, only the protective device that is directly next to the fault source in the current path is tripped. This means that current paths in parallel can maintain a power flow. This produces different selectivity limits for RCBOs with different characteristics and rated switching capacity. The following tables provide information on the short-circuit currents up to which selectivity exists between RCBOs and upstream fuses according to DIN VDE 0636 Part 21. The values specified in kA are limit values that were determined under unfavorable test conditions. Under normal practical conditions, you can often expect considerably better values, depending on the upstream fuses. In the case of RCBOs with upstream fuses, the selectivity limit depends largely on the current limitation and tripping characteristics of the RCBO and the melting I2t value of the fuse. Limit values of selectivity of RCBOs/fuses in kA Downstream RCBOs B characteristic 5SU1.56 C characteristic 5SU1.56 Upstream fuses In [A] 16 A 20 A 25 A 35 A 50 A 63 A 80 A 100 A 125 A 6 10 13 0.4 --- 0.7 0.5 0.45 1.1 0.75 0.7 2.0 1.4 1.3 4.1 2.4 2.0 * 3.4 2.7 * 4.2 3.6 * * * ---- 16 20 25 ---- 0.45 --- 0.7 0.7 -- 1.3 1.3 1.3 2.0 2.0 2.0 2.7 2.7 2.7 3.6 3.6 3.6 * * * ---- 32 40 --- --- --- --- 2.0 1.8 2.7 2.7 3.6 3.6 * * --- 6 8 10 0.35 --- 0.55 0.45 0.45 0.8 0.7 0.7 1.5 1.4 1.4 2.8 2.3 2.3 4.7 3.3 3.3 * 4.2 4.2 * * * ---- 13 16 20 ---- 0.4 0.4 -- 0.6 0.6 0.6 1.2 1.2 1.2 2.0 2.0 2.0 3.0 3.0 3.0 3.5 3.5 3.5 * * * ---- 25 32 40 ---- ---- ---- 1.2 --- 2.0 2.0 1.8 3.0 2.8 2.8 3.5 3.5 3.5 * * * ---- * r Rated breaking capacity according to EN 61009-1 B characteristic 5SU1.54 C characteristic 5SU1.54 6 000 . 6 10 13 0.45 --- 0.7 0.55 0.5 1.1 0.8 0.75 2.2 1.5 1.4 5.0 2.8 2.3 4.6 3.9 7.0 6.0 * * * * * * 16 20 25 ---- 0.5 --- 0.75 0.75 -- 1.4 1.4 1.2 2.3 2.3 2.0 3.9 3.9 3.1 6.0 6.0 4.5 * * 8.0 * * * 32 40 --- --- --- --- 2.0 1.8 3.1 2.8 4.5 4.0 8.0 7.0 * * 6 8 10 0.4 --- 0.6 0.5 0.5 0.9 0.8 0.8 1.7 1.5 1.5 3.3 2.7 2.7 6.5 5.0 5.0 * 7.0 7.0 * * * * * * 13 16 20 ---- 0.5 0.5 -- 0.7 0.7 0.6 1.3 1.3 1.2 2.3 2.3 2.0 4.0 4.0 3.2 5.0 5.0 4.4 * * 8.0 * * * 25 32 40 ---- ---- ---- 1.2 --- 2.0 1.8 1.8 3.2 2.8 2.8 4.4 3.6 3.6 8.0 7.0 7.0 * * * * r Rated breaking capacity according to EN 61009-1 10 000 . Siemens * 10/2015 33 (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) 5SM6 AFD units Overview The Siemens portfolio of protective devices has been proving itself in the field for many years. This range of fuses, miniature circuit breakers and residual current protective devices has now been expanded to include AFDDs (arc fault detection devices). These AFDDs detect arcing faults caused by serial faults or loose contacts or as a result of insulation faults that enable contact between phase conductors or between phase and protective conductors. They therefore offer extremely effective protection against fires started by electrical faults. Generally speaking, arcing faults in the circuit can result from damage to cables and other insulations and from contamination. Insulation faults result, for example, from vibrations, thermal expansion and contraction, mechanical loads and aging. A distinction is made between 3 types of arcing faults: Serial arcing faults This is caused by breaks in the conductor or when a loose contact is in the circuit in series with the load. As the current flow in such cases is always lower than the operational load current, miniature circuit breakers and residual current protective devices are unable to detect such faults and initiate tripping. The AFDD is specially designed to detect the specific characteristics of these arcing faults, and it reliably disconnects the affected circuit as soon as the limit values are exceeded. AFDDs also detect these arcing faults and provide adequate fire protection where no residual current protective device is implemented. Closing of the safety gap on the IEC market Serial L Parallel arcing faults between phase conductor/protective conductor Arcing faults against the protective conductor are reliably detected and shut down by residual current protective devices. Residual current protective device with rated residual currents up to max. 300 mA have already been providing effective fire protection in such cases for many years. 34 Siemens * 10/2015 New AFDD LOAD N Parallel Phase-Neutral/ Phase-Phase L AFDD Arc fault detection device MCB Miniature circuit breaker RCD Residual current protective device RCBO Residual current operated circuit breaker with overcurrent protection New LOAD MCB AFDD RCD AFDD New RCBO AFDD N Parallel Phase-Protective conductor L Parallel arcing faults between phase conductor/neutral conductor or phase conductor/phase conductor These are caused by electric arcs resulting from damage to the insulation that permits contact between the two conductors. In this case, the level of current is determined by the impedances in the circuit. Depending on the rated current of the overcurrent protection device (for instance a miniature circuit breaker), this can be disconnected. However, if the impedance in the circuit is too high to reach the trip current of the overcurrent protection device, no tripping takes place. AFDDs disconnect the currents of arcing faults upwards of 2.5 A, thus providing reliable protection in the case of such faults. Protection devices Type of fault New LOAD N I201_19188 Characteristics Preventing undesired tripping operations Electric arcs and high-frequency signals occur during normal operation in networks with multiple electrical loads (e.g. electric motors, light switches, dimmers). The AFDD must not break the circuit in such cases. Thanks to the sophisticated detection logic of our AFDDs, they are able to clearly distinguish between normal operational interference signals and hazardous arcing faults. (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) 5SM6 AFD units Product versions and application Siemens offers two product versions, which can be used in various combinations with a range of 1MW/2MW miniature circuit breakers and/or RCBOs up to max. 16 A rated current. This simplifies product selection and reduces inventory, while enabling coverage of every conceivable application. It also means that our tried and tested protective devices (MCBs, RCBOs) can be combined with the new functionality provided by arc fault protection. In particular, the version with RCBOs offers a protective device that provides comprehensive personnel, short-circuit, overload and fire protection in a single device. The version combined with a compact miniature circuit breaker in 1 MW is a space-saving alternative that is ideal for retrofitting. Whether auxiliary switch or fault signal contact - the 5SM6 AFDD units can be combined at random with the versatile range of additional components from the familiar portfolio of 5SY miniature circuit breakers and 5SU1 RCBOs. This also enables connection to a higher-level I&C system. The 5SM6 AFDD units can be connected easily and quickly. The miniature circuit breakers or RCBOs can be mounted quickly and simply by just snapping them onto the mounting rail without the need for tools. For a fast and reliable power supply, the infeed can be implemented via a busbar assembly. The AFDDs are primarily intended for protection of final circuits in cases where * There is an increased risk of fire due to flammable materials being stored or processed (e.g. wood processing) * Flammable building materials are in use (e.g. wood paneling) * Valuable goods need to be protected (e.g. museums) * There are rooms in which a fire might not be noticed immediately (e.g. bedrooms, children's bedrooms) Status displays and self tests In order to facilitate fault locating in the event of tripping, AFDDs have a display with 5 LEDs that provide information on the cause of tripping (serial/parallel arcing faults, overvoltage). The sophisticated detection electronics system also automatically checks the functionality of the AFDD. If the self-monitoring process detects a fault, the AFDD switches off and displays the corresponding indication. Arc fault detection device (5SM6) fault indication Device functional Restricted device function (background noise marginal) Serial or parallel arcing faults detected Overvoltage (> 275 V) Self-test failed No power supply Integrated overvoltage protection Depending on the load distribution in the three-phase current system, an interruption on the infeed side of the neutral conductor may cause a shift of the neutral point and thus an increase in voltage between the phase conductor and the neutral conductor. This increase in voltage can damage the loads or present a fire risk due to overloaded components. In order to ensure all-round protection, the AFDDs are fitted with an overvoltage release that disconnects when the voltage between phase conductor and neutral conductor exceeds 275 V, thus isolating downstream loads from the hazardous line voltage. Technical specifications Future standard - IEC/EN 62606 Standards 2-pole Versions Rated voltage Un V 230 Rated current In A Up to 16 Rated frequency Hz 50 Bottom Mains connection V Tripping in the event of overvoltage Degree of protection > 275 IP20, with connected conductors Acc. to EN 60529 (VDE 0470-1) Surge current withstand capability With current waveform 8/20 s Touch protection kA Terminal tightening torque 3 Finger and back-of-hand safe Acc. to EN 50274 (VDE 0660-514) Nm 2.0 ... 2.5 mm2 mm2 0.75 ... 16 0.75 ... 10 Terminal/conductor cross-sections * Solid and stranded * Finely stranded with end sleeve Overvoltage category III Mounting position Any Service life average number of switching cycles > 10000 Ambient temperature C -25 ... +40, marked with Storage temperature C -40 ... +75 Resistance to climate Acc. to IEC 60068-2-30 28 cycles (55 C; 95 % rel. air humidity) 2 Pollution degree Yes CFC and silicone-free Power losses -25 W 0.6 Siemens * 10/2015 35 (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) 5SM6 AFD units Dimensional drawings 35,3 17,9 52,5 68,5 17,9 68,5 I201_18883 I201_18884 8,1 12 12 8 5SM6011-1 5SM6021-1 Circuit diagrams LOAD L N I202_02434 AFD LINE L N 36 6,8 95 95 6,8 Siemens * 10/2015 (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) 5SM6 AFD units for PV applications Overview Benefits The Siemens portfolio of protective devices has been proving itself in the field for many years. This range of fuses, miniature circuit breakers and residual current protective devices has now been expanded to include the 5SM6 AFD units. These AFD units detect arcing faults that may be caused, for example, by serial faults or loose contacts. * Easy to install and retrofit * Visual and acoustic indication of arcing faults when a fault is detected * Resetting of the arcing fault indication * Developed according to UL 1699B * Cost savings thanks to easy installation * Integration into an external safety system for safe system disconnection Technical specifications 5SM6094-1 IEC 60364-7-712, UL1699B Standards PV AFD Type 1 (UL 1699B) Category Rated current In Rated voltage DC Tripping current for serial arcs Tripping voltage DC Supply voltage DC Terminal conductor cross-sections * String connection * Supply voltage connection * Signal connection A V A V V 40 1000 1 ... 40 Min. 100 24 mm2 mm2 mm2 2.5 to 10 2.5 2.5 Terminal tightening torque * String connection * Supply voltage connection * Signal connection Nm Nm Nm Max. 3.5 mm Max. 1.5 mm Max. 1.5 mm Current consumption * Active * Passive mA mA 120 60 Operational current (load) alarm relay (125 V AC) Operational current (load) alarm relay (30 V DC) A A 0.3 1 Overvoltage category Supply voltage connection Mounting position Number of poles Degree of protection * Acc. to EN 60529 (VDE 0470-1) * Acc. to EN 50274 (VDE 0660-514) III Bottom Any 1 CFC and silicone-free Pollution degree Storage temperature Ambient temperature Resistance to climate Yes 2 -40 ... +75 -20 ... +50 28 cycles (55 C; 95 % rel. air humidity) IP20, with connected conductors Finger and back-of-hand safe C C Acc. to IEC 60068-2-30 Siemens * 10/2015 37 (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) 5SM6 AFD units for PV applications 48 npYWYZZ_W 110 100 Dimensional drawings 36 5SM6094-1 IN Circuit diagrams 1 38 2 1 2 npYWYZZ_X OUT NO NC C 0V +24 V DC electronics 3 Siemens * 10/2015 (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) 5ST busbars for modular installation devices Overview 4-pole 5SM3 RCCBs are bus-mounted either together or in combination with miniature circuit breakers. RCCBs with an N conductor connection on the left-hand side facilitate installation because standard busbars are used, as those used for bus mounting miniature circuit breakers. Busbars in 10 mm2 and 16 mm2 versions are available. The extremely flexible 5ST36 busbar system with fixed lengths also enables installation in any lengths as the busbars can be overlapped. No further need for time-consuming tasks, such as cutting, cutting to length, deburring, cleaning of cut surfaces and mounting of end caps. Any free pins on the busbars can be made safe by covering with touch protection. If several RCBOs are bus-mounted together, this is implemented with 2-phase busbars, which are thus used as 1+N busbars. Benefits * Connection of miniature circuit breakers to 4-pole RCCBs with N connection right and 3-phase busbar, using busbar specially designed for this application. No cutting or end caps required. * Connection of miniature circuit breakers to 4-pole RCCBs with N connection left, with 3-phase busbar that can be cut. No additional items to be stored and busbars that are always available. * Connection of 1P+N RCBOs with two-phase busbar. No cutting or end caps required. * Bus-mounting of residual current protective devices on busbar (3-phase +N) that can be cut. A proven and frequently used application. Siemens * 10/2015 39 (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) 5ST busbars for modular installation devices Technical specifications 5ST3, 5ST2 Standards EN 60439-1 (VDE 0660-500): 2005-01 Busbar material SF-Cu F 24 Partition material Plastic Cycoloy 3600 Temperature-resistant above 90 C Flame-retardant Self-extinguishing Dioxin-free and halogen-free V AC 400 Rated operational voltage Ue Rated current In * Cross section 10 mm2 * Cross section 16 mm2 A A 63 80 Rated impulse withstand voltage Uimp kV 4 Test pulse voltage (1.2/50) kV 6.2 Rated conditional short-circuit current Icc kA 25 Resistance to climate * Constant atmosphere * Humid heat Acc. to DIN 50015 Corresponds to IEC 68-2-30 Insulation coordination Acc. to IEC 60664-1 (VDE 0110-1) 23/83; 40/92; 55/20 28 cycles * Overvoltage category * Pollution degree III 2 Maximum busbar current IS per phase * Infeed at the start of the busbar - Cross section 10 mm2 - Cross section 16 mm2 A A 63 80 * Infeed at the center of the busbar - Cross section 10 mm2 - Cross section 16 mm2 A A 100 130 Infeed at the start or end of the busbar Infeed along the busbar or midpoint infeed 3 2 1 1 2 3 I201_13755 I201_13754a S S1 S2 S The sum of the outgoing current per branch (1, 2, 3...n) must not be greater than the max. busbar current IS/phase. 40 Siemens * 10/2015 (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) 5ST busbars for modular installation devices Dimensional drawings 2 1 1 1 1 1 1 1 1 1 L1 L2 L3 L1 L2 L3 L1 L2 L1 L2 9,2 15,2 L3 I201_13666 L2 15,2 L1 I201_13672 1,5 5ST3608 N N L2 N L3 N L2 L1 N N N 5ST3638 1 L1 L3 L1 7,3 L2 6,6 5ST3624 L1 19 1 I201_13665 1 N L1 I201_18187 5ST3770-2 1,5 N N L2 N L3 N L2 L1 N N N L1 L3 L1 N L1 I201_18188 5ST3770-3 1 1 1 1 1 1 L3 N L2 N L3 N 30,2 L2 18,3 L1 30,2 11,9 1 I202_01456 22,1 5ST3770-4 1 1 1 1 1 1 L3 N L2 N L3 N 30,2 L2 18,3 L1 30,2 11,9 1,5 I202_01458 22,1 5ST3770-5 1 1 2 1 1 1 1 1 1 1 1 L1 L2 L3 L1 L2 L3 L1 L2 24,5 10,3 5ST3654 14 L3 I201_13768 L2 19 L1 I201_13673 1,5 5ST2145 Note: Pin spacing in MW Dimensions of side view in mm (approx.). Further busbars can also be found in the configuration manual for miniature circuit breakers. Siemens * 10/2015 41 (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) 5SM1 and 5SZ9 RCCB socket outlets Overview Number of poles Rated current In A Rated residual currents In mA (Type A) RCCB protective socket outlets * For mounting onto device box, equipped with RCCB and 2 SCHUKO(R) socket outlets 2 16 10, 30 * Molded-plastic enclosures, equipped with RCCB and SCHUKO(R) socket outlet 2 16 10 = Type A for AC and pulsating DC residual currents Dimensional drawings 5SZ92.6 RCCB protective socket outlets, 5SW1200 molded-plastic enclosures 43 119 95 185 42 Siemens * 10/2015 I201_06150 81 I201_08414a 105 171,5 Molded-plastic enclosures, equipped with RCCB and flushmounting 5 socket outlets. 146 According to VDE 0664 for mounting on device boxes, equipped with residual current operated circuit breaker and 2 5 childproof socket outlets. 180 5SM1920 RCCB protective socket outlet (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) Configuration Overview Protection by means of residual current protective devices In the case of "automatic disconnection of the power supply" by means of a residual current protective device, it is essential that the system components and equipment to be protected are fitted with an appropriately grounded PE conductor. This means that it is only possible for a person to be subjected to a flow of current if two faults occur (in addition to an insulation fault, the interruption of the PE conductor) or in the event of accidental contact with live parts. It also shows the tripping ranges of the residual current protective devices with rated residual current of 10 mA and 30 mA. The max. permissible tripping times according to VDE 0664-10 are entered here. As can be seen from the tripping curve, residual current protective devices do not restrict the level of the residual current, rather they have a protective effect due to the fast disconnection of the current, and thus short contact time. Areas of impact of alternating current 50/60 Hz on the human body Additional protection (Protection against direct contact) with In 30 mA I201_13979a Direct contact refers to a situation where a person comes into direct contact with a part that is live under operating conditions. If a person directly touches live parts, two series-connected resistors determine the level of the current flowing - the internal resistance of the person Rm and the contact resistance of the location Rst. 10 mA 30 mA 10000 ms t 1000 For a proper assessment of the accident risk, it must be assumed that the contact resistance of the location is virtually zero. 1 10 0,1 PE conductor interrupted and insulation failure in the equipment 4 1 10 100 1000 mA 10000 M 1: Range Usually not perceptible Range 3 : Muscle spasms possible Range 2 : No muscle spasms Range 4 : Ventricular fibrillations may occur M: Leakage current t : Contact time L1 N PE RA Conductors interchanged I201_06156 Damaged insulation RCCB RCCB RCCB Based on this assumption, a touch voltage of 230 V would produce a dangerous leakage current of 230 mA. The figure "Areas of impact of alternating current 50/60 Hz on the human body" shows the current intensity/contact time curves with reference to the physiological reactions of the human body. The dangerous values are the current intensity/contact time values in range 4, as they can trigger ventricular fibrillations, which can cause death. L1 N PE RA 3 100 The resistance of the human body depends on the current path and the contact resistance of the skin. Measurements have shown, for example, that a current path of hand/hand or hand/foot has a resistance of approx. 1000 . L1 N PE RA 2 RSt RSt RSt Examples of accidental direct contact Residual current protective devices with a rated residual current In 10 mA have a tripping characteristic in range 2 below the let-go current. There are generally no injurious effects or muscle spasms (see illustration). They are therefore suitable for sensitive areas, such as bathrooms. Siemens * 10/2015 43 (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) Configuration Residual current protective devices with a rated residual current In 30 mA meet the conditions for additional protection against electric shock (see figure): * From unintentional, direct contact with live parts as for standard operations (e.g.: failure of the basic insulation, improper use, ineffectiveness of the basic protection) * In the case of negligence on the part of the user (e.g. use of defective devices, inexpert repairs to systems and/or equipment) * In the case of contact with faulty live parts (e.g. failure of leakage protection in the event of interruption of the protective conductor) The use of residual current protective devices with rated residual current of up to 30 mA has proven an effective enhanced protection in the event of failure of basic protection measures (protection against direct contact) and/or fault protection measures (protection against indirect contact), as well as in the case of negligence on the part of the user when handling electrical equipment. However, this must not be the sole means of protection against electric shock. This does not replace the need for further protective measures as required by DIN VDE 0100-410. The requirement for "enhanced protection" with residual current protective devices according to sections 411.3.3 and 415.1 of DIN VDE 0100-410 does not mean that the application of this protection is optional. Rather, it means that this enhanced protection may be required in relation to external influences and in specific areas in coordination with further protective measures. In several parts of the standards for Groups 4 and 7 of DIN VDE 0100, this additional protection is required or explicitly recommended. The following explains some of the key requirements. The general building standard for protection against electric shock, DIN VDE 0100-410:2007-06 requires the use of residual current protective devices with rated residual current 30 mA for * All socket outlets with a rated current 20 A if they are intended for use by non-experts and for general use * Branch circuits for portable tools and equipment used outdoors with a rated current 32 A Note: While DIN VDE 0100-410:06-2007 specifies two exceptions to these requirements, these are not generally applicable to the majority of applications. The standard does not specify enhanced protection for socket outlets that are used solely by electrical engineers and persons with electrical training (e.g. in electrical workshops) or if it is ensured that the socket outlet is permanently used solely for "specific equipment". The standard DIN VDE 0100-723:2005-06 "Requirements for special installations or locations - class-rooms with experimental equipment" stipulates that, for the supply of experimental equipment and their circuits, the TN or TT systems must be fitted with residual current protective devices, type B, with rated residual current 30 mA. 44 Siemens * 10/2015 Leakage protection (protection against indirect contact) Indirect contact refers to the electric contact of persons with an electrically conductive part which is not normally live under operating conditions but has become live under fault conditions. In such cases, it is essential that the power supply is automatically disconnected if a fault means that the level and duration of the touch voltage could pose a risk. For this purpose, residual current protective devices with a rated residual current of over 30 mA are also suitable. The interrupt conditions must be observed if the protective effect is to be obtained. Taking into account the grounding resistance and the rated residual current, the dangerous touch voltage must not persist for a time sufficient to cause a risk of harmful physiological effect in a person. Fire barrier DIN VDE 0100-482 requires measures to be taken to prevent fires in "Locations exposed to fire hazards" that may result from insulation faults. This stipulates that cables and conductors in TN and TT systems must be protected by means of residual current protective devices with a rated residual current of In = 300 mA. This does not include mineral-insulated cables and busbar systems. In the case of applications where resistance-related faults may cause a fire (e.g. ceiling heating with panel heating elements), the rated residual current must be In = 30 mA. Protection against fires provided by separate residual current protective devices should not be solely restricted to locations exposed to fire hazards, but universally implemented. (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) Configuration Use Residual current protective devices can be used in all three system types (DIN VDE 0100-410). In the IT system, tripping is not required for the first fault as this situation cannot produce any dangerous touch voltages. It is essential that an insulation monitoring device is fitted so that the first fault is indicated by an acoustic or visual signal and the fault can be eliminated as quickly as possible. Tripping is not requested until the 2nd fault. Depending on the grounding situation, the trip conditions of the TN or TT system must be complied with. A residual current protective device is also a suitable circuit-protection device, whereby a separate residual current protective device is required for each piece of current-using equipment. L1 L2 L3 N PE PEN RCCB RCCB PE TN-C TN-S TT network L1 L2 L3 N I201_06154 RCCB Test button RCCB All residual current protective devices are equipped with a test button. Simply press this button to test whether the residual current protective device is ready to run. Pressing the test button generates an artificial residual current - the residual current protective device must trip. We recommend testing the functionality when commissioning the system and then at regular intervals - approx. every six months. Furthermore, it is also essential to ensure compliance with the test intervals specified in the pertinent rules and regulations (e.g. accident prevention regulations). L1 L2 L3 N PE PE IT network (conditional) L1 L2 L3 I201_06155 RCCB 3-pole connection RCCB PE The summation current transformer covers all conductors required to conduct the current, i.e. also the neutral conductor where applicable. In a fault-free system, the magnetizing effects of the conductors through which current is flowing cancel each other out for the summation current transformer as, in accordance with Kirchhoff's current law, the sum of all currents is zero. There is no residual magnetic field left that could induce a voltage in the secondary winding. However, by contrast, if a residual current is flowing due to an insulation fault, this destroys the equilibrium and a residual magnetic field is left in the transformer core. This generates a voltage in the secondary winding, which then uses the release and the breaker mechanism to switch off the electrical circuit afflicted by the insulation fault. This tripping principle operates independently of the supply voltage or an auxiliary power supply. This is also a condition for the high protection level provided by residual current protective devices according to IEC/EN 61008 (VDE 0664). Only this way can it be ensured that the full protective action of the residual current protective device is maintained even in the event of a system fault, e.g. failure of a phase conductor or an interruption in the neutral conductor. I201_06153 N The design of residual current protective devices is largely determined by 3 function groups: 1) Summation current transformer for recording fault current 2) Releases to convert the electrical measured quantities into a mechanical tripping operation 3) Breaker mechanism with contacts 4-pole residual current protective devices can also be operated in 3-pole systems. In this case, connection must be at terminals 1, 3 and 5 and 2, 4 and 6. The function of the test equipment is only ensured if a jumper is fitted between terminals 3 and N. PE Grounding resistances L1 L2 L3 N When using residual current protective devices in a TT system, the maximum grounding resistances (as shown in the following table) must be complied with, depending on the rated residual current and the max. permissible touch voltage. Rated residual current Max. permissible grounding resistance at a max. permissible touch voltage of In 50 V 25 V 10 mA 5000 2500 30 mA 1660 830 100 mA 500 250 300 mA 166 83 500 mA 100 50 1A 50 25 L1 L2 L3 1 3 5 N 1 3 5 N 2 4 6 N 2 4 6 N 3 x AC 230 V + N 3 x AC 400 V + N I201_07557a TN system Design and method of operation of residual current protective devices 3 x AC 230 V 3 x AC 400 V Siemens * 10/2015 45 (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) Configuration SIGRES RCCBs for severe ambient conditions Our SIGRES RCCBs have been developed for use in environments with increased pollution gas loads, such as * Indoor swimming pools: chlorine gas atmosphere * Agriculture: ammoniac * Construction site distribution boards, chemical industry: Nitrogen oxide [NOx] and sulfur dioxide [SO2]. A significant increase in service life is achieved using our patented active condensation protection. When using SIGRES RCCBs, the following points must be observed: * The infeed must always be from below, at terminals 2/N or 2/4/6/N * Before carrying out insulation tests on installation systems with voltages greater than 500 V, the SIGRES RCCB must be switched off or the cables on the input side (below) must be disconnected Short-time delayed tripping, super resistant ae Electrical loads that temporarily produce high leakage currents when they are switched on (e.g. temporary residual currents flowing through interference-suppression capacitors between phase conductor and PE) may trip instantaneous residual current protective devices if the leakage current exceeds the rated residual current In of the residual current protective device. Short-time delayed, super resistant residual current protective devices can be installed for this type of application, where it is not possible, or only partially possible, to eliminate such interference sources. These devices have a minimum tripping delay of 10 ms, i.e. they should not trip for a residual current pulse of 10 ms. This complies with the maximum permissible break times according to IEC/EN 61008-1 (VDE 0664-10). The devices have a high surge current withstand capability of 3 kA. Short-time delayed, super resistant residual current protective devices have the identification code ae. Selective tripping i Residual current protective devices normally have an instantaneous tripping operation. This means that a series connection of this type of residual current protective devices does not provide selective tripping in the event of a fault. In order to achieve selectivity for a series connection of residual current protective devices, both the tripping time and the rated residual current of series-connected devices must be time graded. Selective residual current protective devices have a tripping delay. Furthermore, selective residual current protective devices must have an increased surge current withstand capability of at least 3 kA according to IEC/EN 61008-1 (VDE 0664-10). Siemens devices have a surge current withstand capability of 5 kA. Selective residual current circuit breakers have the identification code i. The table below shows the time grading options available for residual current protective devices for selective tripping in series connection with devices without time delay and super resistant with short-time delay ae. 46 Siemens * 10/2015 Main distribution board Sub-distribution board RCCB RCCB S RCCB RCCB Selective version Upstream RCCB for selective disconnection S Break time at 5 x n 100 mA 50 ...150 ms 300 mA 500 mA 1000 mA Instantaneous or super resistant K Downstream RCCB or Instantaneous Super resistant version version K Break time Break time at 5 x n at 5 x n 10 mA or 30 mA 40 ms 20 ... 40 ms 10 mA, 30 mA or 100 mA 10 mA, 30 mA ,100 mA 300 mA I201_15510a Versions for 50 ... 400 Hz Due to their principle of operation, the standard versions of residual current protective devices are designed for maximum efficiency in 50/60 Hz systems. Product standards and tripping conditions also refer to this frequency. The sensitivity decreases with increasing frequency. In order to implement effective residual current protection for applications in systems up to 400 Hz (e.g. industry), you need to use suitable devices. Such residual current protective devices fulfill the tripping conditions up to the specified frequency and provide the appropriate level of protection. RCCBs with left-side N connection The fact that the RCCBs are usually located to the left of the miniature circuit breakers, but have their N conductor connection on the right-hand side, interferes with the integrated busbar connection. For this reason, RCCBs require a special busbar when used with miniature circuit breakers. In order to enable the use of standard busbars, four-pole RCCBs are also provided with their N connection on the left-hand side. This means that RCCBs can continue to be installed to the left of miniature circuit breakers using standard busbar connections. (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) Configuration Surge current withstand capability Breaking capacity, short-circuit strength During thunderstorms, atmospheric overvoltages in the form of traveling waves can penetrate the installations of a system over an overhead system and trip the residual current protective devices. To prevent such inadvertent tripping operations, residual current protective devices sensitive to power pulse currents must pass specific tests to verify the surge current withstand capability. These tests are carried out using a surge current of the standardized surge current wave 8/20 s. In accordance with the installation specifications DIN VDE 0100-410 (protection against electric shock) residual current protective devices can be installed in all three system types (TN, TT and IT systems). However, if using the neutral conductor as a protective conductor in TN systems, a fault may cause residual currents similar to a short-circuit. For this reason, residual current protective devices must be installed together with a back-up fuse and have the appropriate short-circuit strength. Tests have been defined for this purpose. The short-circuit strength of the combination must be specified on the devices. Siemens residual current protective devices, together with a suitable back-up fuse, have a short-circuit strength of 10000 A. This is the highest possible level of short-circuit strength as specified in the VDE regulations. Data for the rated breaking capacity according to IEC/EN 61008, i.e. the maximum permissible short-circuit back-up fuses for 5SM3 residual current protective devices are contained in the following table: Peak % 100 90 Front Characteristics of a current impulse acc. to DIN VDE 0432 Part 2 Tail Ts Front time in s Tr Virtual time to half-value on tail in s 01 Virtual origin m Peak value m 50 10 0 I201_06165 01 TS Tr t Surge current wave 8/20 s (front time 8 s: Time to half-value 20 s) Rated current of the residual current protective device Rated switching capacity Im acc. to IEC/EN 61008 (VDE 0664) for a grid distance of 35 mm Type AC Siemens residual current protective devices of types A and B all have a high surge current withstand capability. The following table shows the surge current withstand capability of the various versions: Operational class gG for residual current protection device Type A Type F Type B Version Surge current withstand capability Instantaneous > 1 kA Short-time delayed, super resistant ae > 3 kA Selective i > 5 kA kHz A Maximum permissible short-circuit back-up fuse LV HRC, DIAZED, NEOZED Type B+ A 125 AC ... 400 V 500 V AC A A 16 ... 40 2 MW 500 63 -- 63, 80 2.5 MW 800 100 -- 100, 125 2 MW 1250 125 -- 25, 40 (400 Hz) 4 MW 800 80 -- 25 ... 63 4 MW 800 100 63 80 4 MW 800 100 -- 100 4 MW 1000 100 -- 125 4 MW 1250 125 -- Example: 100 A 10 000 Short-circuit strength 10 kA with max. permissible short-circuit series fuse 100 A. Siemens * 10/2015 47 (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) Configuration Types of current Residual current protective devices that trip for both sinusoidal AC residual currents and pulsating DC residual currents (type A) are identified by the mark . Due to the use of electronic components in household appliances and industrial plants, insulation faults can also cause residual currents that are not AC residual currents to flow through residual current protective devices, even in the case of devices with ground terminals (safety class I). Residual current protective devices that also trip for smooth DC residual currents (type B) are identified by the mark . The regulations for residual current protective devices contain additional requirements and test regulations for residual currents whose power supply frequency is zero or virtually zero within a certain period. Type of current Current waveform Tripping current1) Correct function of residual current protective devices of type Type AC Type A Type F Type B Type B+ AC fault current 0.5 ... 1.0 In Pulsating DC residual currents (pos. or neg. half-waves) -- 0.35 ... 1.4 In Truncated half-wave currents -- Start angle 90 0.25 ... 1.4 In -- Start angle 135 0.11 ... 1.4 In Half-wave current during superimposition with smooth direct current --- + 6 mA + 10 mA +0.4 mA +0.4 In Max. 1.4 I In + DC Residual current from mixed frequency -- -- 0.5 ... 1.4 In Smooth direct current -- -- -- 0.5 ... 2.0 In kHz 1) Tripping operations according to IEC/EN 61008-1 (VDE 0664-10); for smooth DC residual currents defined to IEC 60755 UB1 INT. Note: For more information on the subject of You will find residual current protective devices in the technology primer "Residual Current Protective Devices", Article No.: E10003-E38-2B-G0090. 48 Siemens * 10/2015 (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) Configuration Application Standards Required In Recommended Siemens residual current protective devices [mA] Type A Type F SIQUENCE type B/ type B+ SIGRES Protection against electric shock 30 ... 500 Socket outlets up to 20 A, plants outdoors 10 ... 30 -- -- DIN VDE 0100-482 Fire protection for particular risks or safety hazards 30, 300 -- DIN VDE 0100-701 Rooms with baths or showers, socket outlets in zone 3 10 ... 30 -- -- DIN VDE 0100-702 Basins for swimming pools and other basins 10 ... 30 -- -- DIN VDE 0100-703 Rooms and cabins with sauna heating 10 ... 30 -- -- DIN VDE 0100-704 BGI 608 Building sites, socket outlet current circuits up to 32 A and for handheld equipment, plug-and-socket devices In > 32 A 30 500 DIN VDE 0100-705 Agricultural and general horticultural premises, socket outlet circuits 500 -- 30 -- DIN VDE 0100-706 Conductive areas with limited freedom of movement, permanently attached resources 10 ... 30 -- -- -- DIN VDE 0100-708 Electrical installations on camping sites, fixed feeding points for every socket outlet and every final circuit 10 ... 30 -- -- DIN VDE 0100-710 Medical premises in TN-S system, depending on application group 10 ... 30 1 or 2 and equipment 300 -- -- -- -- DIN VDE 0100-410 Application DIN VDE 0100-712 Solar PV power supply systems (without simple separation) 300 -- -- -- DIN VDE 0100-723 Classrooms with experimental equipment 10 ... 30 -- -- -- DIN VDE 0100-739 Additional protection against direct contact in homes 10 ... 30 -- -- -- EN 50178 (VDE 0160) Fitting of power installations with electronic equipment General requirements for correct selection when using res. current protection -- EN 50293 (VDE 0832-100) Traffic signal systems * Class T1 * Class U1 300 30 --- --- Food processing and chemical industry 30 (recommended) -- -- Note: For reasons of basic fire protection, we recommend the use of residual current protective devices with maximum 300 mA rated residual current. Siemens * 10/2015 49 (c) Siemens AG 2016 Residual Current Protective Devices / Arc Fault Detection Devices (AFDDs) Notes 50 Siemens * 10/2015 (c) Siemens AG 2016 (c) Siemens AG 2016 Siemens AG Energy Management Low Voltage & Products Postfach 10 09 53 93009 REGENSBURG GERMANY www.siemens.com/lowvoltage Subject to change without prior notice PDF (3ZW1012-5SM33-0AC1) PH 0216 En Produced in Germany (c) Siemens AG 2016 The information provided in this brochure contains merely general descriptions or characteristics of performance which in case of actual use do not always apply as described or which may change as a result of further development of the products. An obligation to provide the respective characteristics shall only exist if expressly agreed in the terms of contract. Availability and technical specifications are subject to change without notice. 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