DZ15 series lwakage circuit breaker(here in after referred to as lwakage circuit breaker)is suitanle for circuit of AC 50HX,rated voltage 380V,rated current 63A(100A),in order to protect against leakage,also prevent the insulation of equipment being destoryed,and stop fire accident caused by group fault current.In addtion,it not only can protect teh circuit against overload and short circuit,but also can be supplied for switching circuit infrequentlu.The circuit breaker conforms to IEC947-2,GB14048.2.