12VDC electromechanical relay 850
48VDC1 NOmonostable

12VDC electromechanical relay
12VDC electromechanical relay
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Control voltage
12VDC, 48VDC
Contact configuration
1 NO
Other characteristics
monostable, bistable, IEC
Switching current

100 A


High Current Relay for 100A continuous load with capability to break high over-currents of up to 5,000 A. The relay is available in monostable and bistable versions. The monostable version features a normally open contact. To save power and reduce coil heating it is possible to hold switching position by applying a PWM signal after activation. The bistable version features an integrated permament magnet and is always in a defined switching position. Therefore there is no loss of information in case of power failure. The advantage of the bistable version is the pulse driven operation of few milliseconds, coil heating can be neglected. Furthermore the relays feature an integrated contact monitoring. The voltage signal is tapped directly on the load terminals, or optionally by an integrated auxiliary contact. The relays are designed and manufactured in accordance to international standards of IEC 61810-1. Technical data Coil data Rated voltage 12 - 48 VDC Rated power (monostable / bistable) 62.5 W / 10.5 W Holding Power (monostable)) 3.3 W Pulse to set (bistable) 30 ms max. coil temperature 155 °C Pull-in time / Drop-out time < 15 ms Contact data Max. contact arrangement 1 NO Contact material AgSnO2 Rated switching voltage 48 VDC Max. switching voltage 55 VDC Rated switching current 100 A Continuous current at 85 °C (50 mm2) 100 A Break current (100 ms/48 V) 2,000 A (10x) Break current (10 ms/55 V) 5,000 A (1x) Short-time overcurrent (1,500 ms) 350 A Short-time overcurrent (100 ms) 2,000 A Short-time overcurrent (10 ms) 5,000 A Current carrying cap. monitoring @ 65°C 5 A Mechanical life 1 x 106


*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.