1
09-2015, Rev. 0915
www.te.com
© 2015 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
Panel/Plug-in Relays
Interface Plug-in Relay XT
n 1 pole 16 A, 2 pole 8 A, 1 form C (1 CO) contact or
2 form C (2 CO) contacts
n DC or AC coil, sensitive coil 400 mW
n Reinforced insulation, protection class II (VDE 0700)
n 4kV/8mm dielectric strength between coil and contact
n Manual test tab, optionally lockable
n Version with mechanical and/or electrical indicator optional
n Suitable for use in Tyco Electronics’ standard RT sockets
n Recycleable packaging
Typical applications
Panel boards, mechanical engineering.
Approvals
VDE Cert. No. 40017832, UL E214025, Lloyds 08/20067 (E2)
Technical data of approved types on request.
Contact Data XT 1pole XT 2pole
Contact arrangement 1 form C (CO) 2 form C (CO)
Rated voltage 240VAC 240VAC
Max. switching voltage 400VAC 400VAC
Rated current 16A 8A, UL: 10A
Limiting making current, max 4s, df 10%
30A 15A
Limiting short-time current, 30ms 300A 300A
Switching power 4000VA 2000VA
Contact material AgNi90/10
Min. recommended contact load 12V at 10mA
Initial voltage drop 30mV at 100mA/6VDC
Frequency of operation, with/without load 360/36000h-1
Operate time, DC coil typ. 8ms typ. 10ms
Release time, DC coil, without PD typ. 6ms typ. 5ms
Bounce time,
form A/form B, DC coil typ. 4/6ms typ. 4/9ms
Contact ratings
Type Contact Load Cycles
IEC 61810
XT3 C (CO) 16A, 250VAC, cosφ=1, 70°C 30x103
XT3 A (NO) 16A, 250VAC, cosφ=1, 70°C 50x103
XT4 C (CO) 8A, 250VAC, cosφ=1, 70°C 50x103
XT4 DC-coil A (NO) 8A, 250VAC, cosφ=1, 70°C 100x103
UL 508
XT3 C (CO) 16A, 250VAC, general purpose, 70°C 30x103
XT4 C (CO) 10A, 250VAC, general purpose, 70°C 20x103
XT4 C (CO) 8A, 250VAC, general purpose, 70°C 30x103
Mechanical endurance
DC coil 10x106 operations
AC coil 5x106 operations
Coil Data
Coil voltage range 6 to 110VDC
24 to 230VAC
Operative range, IEC 61810 2
Coil insulation system according UL class 155 (F)
Coil versions, DC coil
Coil code Rated Operate Release Coil Rated coil
STD LED LED & voltage voltage voltage resistance power
PD3) VDC VDC VDC Ω±10%1) mW4)
012 L12 LB2 12 8.4 1.2 360 400/10
024 L24 LC4 24 16.8 2.4 1440 400/19
048 L48 LE8 48 33.6 4.8 5520 417/39
110 M10 MB0 110 77.0 11.0 288001) 420/87
1) Coil resistance ±12%.
3) Protection diode PD; standard polarity: +A1 / -A2.
4) Coil power/optional LED power.
All figures are given for coil without pre-energization, at ambient temperature +23°C.
Other coil voltages on request.
Z
2
09-2015, Rev. 0915
www.te.com
© 2015 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
Panel/Plug-in Relays
Interface Plug-in Relay XT (Continued)
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 -40 to +70°C
Cold storage, IEC 60068-2-1 -40°C/16h
Dry heat, IEC 60068-2-2 85°C/16h
Damp heat cyclic
IEC 60068-2-30, Db, Variant 1 25/55°C for 12/12h (2 cycles)
Category of environmental protection
IEC 61810 RTII - flux proof
Vibration resistance (functional),
form A (NO)/form B (NC) 20/5g (30 to 500Hz)
Shock resistance (destructive) 100g
Terminal type plug-in
Cover retention
pull force 100 N
push force 100 N
Mounting distance ≥4.5mm,
corresponds to dense packing of sockets
Manual operation testing and locking position6)
Weight 16g
Packaging unit 10/250 pcs.
Accessories
For details see datasheet
Accessories Interface Plug-in Relay XT
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.
Product Sets
Complete sets consisting of a relay mounted on a socket
see Package XT
Coil Data (continued)
Coil versions, AC coil
Coil code Rated Operate Release Coil Rated coil
STD LED voltage voltage voltage resistance power
50/60Hz 50/60Hz 50/60Hz
VAC VAC VAC Ω±10%2) VA5)
524 R24 24 18.0/19.2 3.6 350 0.76/0.58
615 S15 115 86.3/92.0 17.3 81002) 0.76/0.58
730 T30 230 172.5/184.0 34.5 325002) 0.74/0.58
2) Coil resistance ±15%.
5) Power for optional LED: 24VAC:12mVA, 115VAC: 54mVA, 230VAC: 73mVA.
All figures are given for coil without pre-energization, at ambient temperature +23°C.
Other coil voltages on request.
Insulation Data
Initial dielectric strength
between open contacts 1000Vrms
between contact and coil
in combination with socket RT78726 5000Vrms
in combination with socket RT78725 4000Vrms
between adjacent contacts 2500Vrms
Initial surge withstand voltage
between contact and coil 5000V (1,2/50µs)
Clearance/creepage
between contact and coil ≥8/8mm
Material group of insulation parts IIIa
Tracking index of relay base PTI 175V
6) Locking function description
If the test button is pulled out too forcefully, it may bypass the
momentary testing position and go straight into the locked position.
Delivery status is with testing possibility only, to reach locking position
please remove the locking plastic pip according drawing.
3
09-2015, Rev. 0915
www.te.com
© 2015 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
Panel/Plug-in Relays
Interface Plug-in Relay XT (Continued)
Product code structure Typical product code XT 3 7 4 T30
Type
XT Interface Plug-in Relay XT
Version
3 1 pole, 16A, pinning 5mm
4 2 pole, 8A, pinning 5mm
Contact configuration
1 1 form C contact (1 CO) 7 1 form C contact (1 CO) with test button and mechanical indicator
2 2 form C contacts (2 CO) 8 2 form C contacts (2 CO) with test button and mechanical indicator
Contact material
4 AgNi90/10
Coil
Coil code: please refer to coil versions table
Product key Contacts Cont. material Coil Coil Part number
XT374LC4 1 form C AgNi90/10 DC coil 24VDC 1887112-1
XT374R24 1 CO contact test button, AC coil 24VAC 1887113-3
XT374T30 16A mechanical 230VAC 1887113-1
XT484LC4 2 form C and electrical DC coil 24VDC 1887212-1
XT484R24 2 CO contacts indicator AC coil 24VAC 1887213-3
XT484T30 8A 230VAC 1887213-1
Other types on request.
2 form C (CO) contacts 8 A
1 form C (CO) contact 16 A
Dimensions Terminal assignment
Bottom view on pins
