Oper ating Instr u ctions CM Synchronous Ser v omotors 23 5 Electrical Inst allation 55 C onnecting the brake via terminal box 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 brake via terminal box A ccording to the enclosed wiring diagram Connection wiring diagrams in the section Appendix C heck the cross sections of cables F ully tighten the connections Comply with the applicable regulations issued by the re levant employers liability insurance association regarding phase fa ilure protection and the associated circuitcircuit modification 51209AXX Cont act of auxiliary terminal strip Core identification Connection BM E BMH BMK BMP brake rectifiers Connection BSG brake control unit 3a Black with white lettering 1 2 3 14 1 4a 13 3 5a 15 5 WV U