... price NS mccb molded case CURRENT breaker 400A 4PCE,KEMA,TSE,BVQI, CCC certificate professional manufacture for 10 years IEC60947-2 standard moulded case circuit breakerNS series ... ,breaking off working and protecting overload ,short circuit and under voltage.It con-forms to IEC60947-2 standard NS mccb molded case CURRENT breaker 4P