Safety Technology. Switch Box for Disconnecting the Actuator Voltage V2. Ident. no.: 100003273. Die-cast aluminum housing. 7/8" males, 4-pin, for power supply. Electromechanical switch-off box. Voltage V2 disconnected by external safety module via M12 input. Feedback circuit for monitoring by external safety module via M12 output. Disconnection up to PLe in accordance with EN ISO 13849-1 possible