... suitable for circuit of AC50/60Hz, rated voltage 230/400V C45 (JD156) MCB series high-breaking miniature circuit breaker is suitable ... be for used protect the circuit against overload or shortcircuit,1.It is widely applied to industrial enterprises, commercial high-rise ... .Pole: 1,2,3,46.Certification: CE,CCC, TUV,CB7.Breaking Capicity: 4500-6000A8.High quality JD156 MCB, circuit breaker, C45,breakers