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Automotive Relays
High Current Devices
Battery Disconnect Switch BDS-A (Latching)
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Limiting continuous current 190A at 85°C
Electrically settable and resettable ON/OFF bistable device
Suitable for voltage levels up to 42VDC
High peak current carrying capability up to 1500A 1)
Typical applications
Preheating systems (e.g. for diesel engines, catalytic converters), battery
disconnection to prevent fire caused by short circuits during an accident,
dual battery applications provide the start reliability by a separate starter
battery, keeps the power net in balance and to control and secure the
health of the energy storage systems, seasonal, service and transport
deactivation, high current switching, energy management, battery coupling.
F130_fcw1_bw
Contact Data 12VDC 24VDC
Contact arrangement 1 form X, 1 NO DM (bridge)
Rated voltage 12VDC 24VDC
Max. switching voltage depends on load parameter 2)
Rated current
load current from Terminal B to A, cable 50mm 2 260A
Limiting continuous current
23°C, load cable 50mm 2 260A
85°C, load cable 50mm 2 190A
125°C, load cable 50mm 2 88A
Limiting making current,
resistive load, cable 50mm 2 , 23°C,
ton/toff=0.5s/10min 1500A, >5 ops. 1)
Limiting breaking current,
resistive load, cable 50mm 2 , 23°C,
ton/toff=0.5s/10min 1500A, >5 ops. 1)
Limiting short-time current,
overload current at 23°C, cable 50mm 2 ,
1000A,1s - 0A, 9s 50x10 3 ops. 3)
Contact material AgSnO 2
Contact style bridge contact
Initial voltage drop at 100A<40mV post 1min
Operate/release time typ. 5ms at 14VDC (coil voltage)
Electrical endurance
inductance 0.1mH, temperature change
(-40/25/120°C) 2h each; cable 35mm 2
180A, ton/off >13x10 3 ops., 1.5/5s.
100A, ton/off >50x10 3 ops., 1.5/5s
150A, ton/off >25x10 3 ops., 0.5/5s
100A, ton/off >70x10 3 ops., 0.5/5s
Mechanical endurance >150x10 3 ops.
1) Important: please pay attention to load current direction.
2) Please contact TE relay application engineer.
3) Values are influenced by system temperature and load current. For further details please
consult TE relay application engineers.
Insulation Data
Initial dielectric strength
between open contacts 500V rms
between contact and coil 500V rms
Other Data
Ambient temperature -40°C to +120°C
Degree of protection
dustproof/splash water proof: IP54 (IEC 60529), RT I (IEC 61810)
Vibration resistance (functional)
IEC 60068-2-6 (sine sweep) 22 to 500Hz, min. 10g.
Shock resistance (functional)
IEC 60068-2-27 (half sine) 11ms, min. 40g 4)
Terminal type connector and screw
Weight approx. 210g (7.4oz)
Packaging unit and delivery 5) 24 pcs.
4) No change in the switching state >10μs.
5) Bistable relays are delivered in the reset position (open contacts). Due to mechanical
impacts during transportation, we advise to check the contact status on receipt.
Latching (delivery status “ex works”).
Terminal Assignment
X2D2C
1 form X, 1 NO DM (bridge),
with 2 coils and 2 diodes
Coil Data
Magnetic system
Rated coil voltage
Max. coil power
Max. coil temperature
bistable (two coil system)
12/24VDC
approx. 7W at 20°C for Uon/Uoff
155°C
Coil versions, bistable 2 coils
Coil Rated Set
code voltage voltage
VDC VDC
2021 12 6
2421 24 12
Reset
voltage
VDC
6
12
Coil
resistance
?±10%
4.7
19.9
Impulse
length
ms
15 to 100
15 to 100
All figures are given for coil without preenergization, at ambient temperature +23°C.
06-2012, Rev. 0612
www.te.com
? 2011 Tyco Electronics Corporation,
a TE Connectivity Ltd. company.
Datasheets and product specification ac-
cording to IEC 61810-1 and to be used only
together with the ‘Definitions’ section.
Datasheets 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
Datasheets, product data, ‘Definitions’ sec-
tion, application notes and all specifications
are subject to change.
1
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