GZM10 series molded case circuit breaker(here in afrer referred to as circuit breaker) is suitanle for infrequent operating circuit of AC 50HZ,voltage380V,DC voltage 220V or below,in order to make and break circuit,it has overload and short-circuit protecting equipment that can prevent the cable and circuit being damaged.The circuit breaker conforms to IEC947-2,GB14048.2.