... series circuit breaker is used in lighting distribution system or motor distribution system for protecting overload and short-circuit ... comply with the standard IEC60898 and GB10963SPECIFICATION a. Rated voltage: 220/230/400/415V b. Rated current: (C):1,2,3,4,5 ... contacts.In addition to the function of protection against direct or indirect contacts,the residual current operated circuit breakers (RCCBs) ...