1
11-2016, Rev. 1116
www.te.com
© 2014 Tyco Electronics Corporation,
a TE Connectivity Ltd. company.
Catalog and product specification according
to IEC 61810-1 and to be used only together
with the ‘Definitions’ section.
Catalog and product data is subject to the
terms of the disclaimer and all chapters of
the ‘Definitions’ section, available at
http://relays.te.com/definitions
Catalog product data, ‘Definitions’ section,
application notes and all specifications are
subject to change.
SCHRACK
General Purpose
Low Power PCB Relays
n 2 pole 8A, 2 form C (CO) contacts
n Polarized bistable version with 1 or 2 coils
n 5kV/10mm coil-contact
n Reinforced insulation
Typical applications
Battery powered equipment or applications with “memory function”.
Approvals
VDE Cert. No. 40007571, UL E214025, cCSAus 1142018
Technical data of approved types on request.
Contact Data
Contact arrangement 2 form C (CO)
Rated voltage 250VAC
Max. switching voltage 400VAC
Rated current 8A, UL: 10A
Limiting continuous current 8A, UL: 10A
Limiting making current, max. 4s, duty factor 10% 15A
Breaking capacity max. 2000VA
Contact material AgNi 90/10
Frequency of operation, with/without load 900/72000h-1
Operate/Reset time max. 10/5ms
Bounce time max., form A/form B 4/9ms
Contact ratings
Type Contact Load Cycles
IEC 61810
RT444 A (NO) 8A, 250VAC resistive, 85°C 100x103
RT424 C (CO) 8A, 250VAC resistive, 85°C 30x103
UL 508
RT424 A/B (NO/NC) 10A, 250VAC, general purpose, 85°C 20x103
RT424 A/B (NO/NC) 1/2hp, 240VAC ,85°C 1x103
RT424 A/B (NO/NC) Pilot duty, B300, R300, 85°C 6x103
RT4/E A/B (NO/NC) 10A/24VDC, general purpose, 85°C 5x10³
EN60947-5-1
RT424 A/B (NO/NC) AC-15, 250VAC, 3A 6.050
Mechanical endurance >2x106 operations
Coil Data, bistable coils 1 coil 2 coils
Magnetic system polarized, bistable
Coil voltage range 3 to 48VDC
Operative range, IEC 61810 2
Limiting voltage, % of rated coil voltage 120% 150%
Min./Max. energization duration 30ms/1min at <10% duty factor
Coil insulation system according UL class F
Coil versions, bistable coil
Coil Rated Set Reset Coil Rated coil
code voltage voltage voltage resistance power
VDC VDC VDC Ω±10% mW
bistable 1 coil
A03 3 2.1 1.7 21 429
A05 5 3.5 2.8 62 403
A06 6 4.2 3.3 90 400
A12 12 8.4 6.6 360 400
A24 24 16.8 13.2 1440 400
A48 48 33.6 26.4 5520 417
bistable 2 coils
F03 3 2.1 1.7 15 600
F05 5 3.5 2.8 42 595
F06 6 4.2 3.3 55 655
F12 12 8.4 6.6 240 600
F24 24 16.8 13.2 886 650
F48 48 33.6 26.4 3291 700
All figures are given for coil without pre-energization, at ambient temperature +23°C.
Other coil voltages on request.
Bistable coils - operation
Version 1 coil 2 coils
Coil terminals A1 A2 A1 A3 A2
Operate + - + -
Reset - + - +
Contact position not defined at delivery
Power PCB Relay RT2 bistable
Z
b
2
11-2016, Rev. 1116
www.te.com
© 2014 Tyco Electronics Corporation,
a TE Connectivity Ltd. company.
Catalog and product specification according
to IEC 61810-1 and to be used only together
with the ‘Definitions’ section.
Catalog and product data is subject to the
terms of the disclaimer and all chapters of
the ‘Definitions’ section, available at
http://relays.te.com/definitions
Catalog product data, ‘Definitions’ section,
application notes and all specifications are
subject to change.
SCHRACK
Product code Version Contacts Contact material Coil version Coil Part number
RT424A05 8A, 2 form C (CO) AgNi 90/10 Bistable 1coil 5VDC 4-1393243-4
RT424A12 pinning 5mm, contacts 12VDC 4-1393243-6
RT424F05 flux proof Bistable 2 coils 5VDC 5-1393243-2
RT424F12 12VDC 5-1393243-4
RT424F24 24VDC 5-1393243-6
RT424F48 48VDC 5-1393243-7
RTE24F24 8A 2 form C (CO) AgNi 90/10 Bistable 2 coils 24VDC 8-1415541-7
RTE24F06 pinning 5mm 6VDC 1-1415020-1
RTE24F12 wash tight 12VDC 7-1415072-1
General Purpose
Low Power PCB Relays
Power PCB Relay RT2 bistable (Continued)
Other Data (continued)
Terminal type PCB-THT, plug-in1)
Weight 13g
Resistance to soldering heat THT
IEC 60068-2-20 270°C/10s
Packaging/unit tube/20 pcs., box/500 pcs.
1) socket available for 1 coil version only, see Accessories.
Accessories
For 1 coil version,
details see datasheet
Accessories Industrial Power Relay RT
NOTE: indicated contact ratings and electrical endurance data for direct
wiring of relays (according IEC 61810-1); for relays mounted on sockets
deratings may apply.
Insulation Data
Initial dielectric strength
between open contacts 1000Vrms
between contact and coil 5000Vrms
between adjacent contacts 2500Vrms
Clearance/creepage
between contact and coil ≥10/10mm
between adjacent contacts ≥ 3/4mm
Material group of insulation parts IIIa
Tracking index of relay base PTI 250V
Other Data
Material compliance: EU RoHS/ELV, China RoHS, REACH, Halogen content
refer to the Product Compliance Support Center at
www.te.com/customersupport/rohssupportcenter
Ambient temperature
bistable 1 coil -10 to 85°C
bistable 2 coils -40 to 85°C
Category of environmental protection
IEC 61810 RTII - flux proof
RTIII - wash tigth
Vibration/shock resistance (functional),
opening B contact 3/5g
opening closed A contact 6/15g
Shock resistance (destructive) 100g
PCB layout / terminal assignment
Bottom view on solder pins
8 A, Pinning 5 mm
2 form C (CO) contacts
S0418-CM
*) With the
recommended PCB hole
sizes a grid pattern from
2.5 mm to 2.54 mm can
be used.
a)
Dimensions
a) Indicated contact
position while or after coil
energization with reset
voltage.
b) for 2 coil version only
Product code structure Typical product code RT 4 2 4 F24
Type
RT Power PCB Relay RT2 bistable
Version
4 8A, pinning 5mm, flux proof E 8A, pinning 5mm, wash tight
Contact configuration
2 2 form C (CO) contacts
Contact material
4 AgNi 90/10
Coil
This list represents the most common types and does not show all variants covered by this datasheet. Other types on request.