Oper ating Instr u ctions CM Synchronous Ser v omotors 19 5 Electrical Inst allation 54 C onnecting the brake via plug connector The brake is released electrically The brak e is applied mechanically when the voltage is switched off Note In view of the DC voltage to be swit ched and the high level of current load it is essential to use either special brake cont actors or AC contactors with contacts in utilization category AC3 to EN 6094741 Y ou may have to install a hand lever fo r designs with manual brake release Connecting the BM brake rectifier BSG brake control unit The BM brake rectifiers or the BSG brake cont rol unit are installed in the switch cabinet The brake is connected with a 4core cable Check power cross sections braking currents section Technical Data C onnect the brake control system accord ing to the corresponding wiring diagram the following graphics BME brake rectifier AC circuit disconnect standard application of the brake DC and AC circuit disconnect qu ick application of the brake Comply with the applicable regulations issued by the re levant employers liability insurance association regarding phase fa ilure protection and the associated circuitcircuit modification 51231AXX 51232AXX K12 15 14 13 12 3 4 2 U AC BME W1 V1 U1 54 3 PE K12 15 14 13 1 2 3 4 2 U AC BME W1 V1 U1 54 3 PE