Power relays

Applications

Power relays are reliable problem solvers when it comes to switching high currents. Particularly construction machinery, agricultural vehicles as well as buses and trucks, floor-borne vehicles and other special vehicles (e.g. fire brigades) often have connected large electrical loads. In these applications, power relays disconnect the entire on-board electrical system from the battery.

Technical design

Depending on the application, E-T-A offers purely electro-mechanical relays, solid state relays and also a hybrid design consisting of an electro-mechanical switching system with an intelligent electronic control unit.

Typ EPR10 von E-T-A: Das elektronisches Power Relais EPR10 ist ein Halbleiterrelais für hohe Dauerströme.

EPR10

Solid state power relay in a flat design with otpional overcurrent detection and disconnection

HPR10

Hybrid power relay consisting of a bistable electro-mechanical switching system and integral electronic control unit

MPR20

Monostable electro-mechanical power relay with power-saving electronic control circuitry

E-T-A MPR10:设计用于开关大电流负载,并将电池与车载电气系统分离。

MPR10

Mechanical Power Relays

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