DZ49-63 Series MIniature Circuit Breaker,MCB This mcb conforrms with ... 400V Up to 63A. DZ49-63 Series MIniature Circuit Breaker1.Application DZ49-63 is applicable to a ... , three,four poles for protecting overload and short circuit, and rated current up to 63A. It can ... ,50,63Rated voltage(V)230 400Ambient temperature -5C~+40CType of instantaneous releaseC DCDRated short circuit breaking capacity(KA) ...