... electric, post, traffic, mining enterprise and different kinds of fields. In present China, our products in the case ... IEC60947,GB14048.2 standard. CharacteristicSB1Z-63 DC circuit breaker is made up of case, operation mechanism, thermal overloading trip ... serial connection Product DescriptionSB1Z-63 DC Mini Circuit Breaker, DC Circuit Breaker SB1Z-63 Series DC Miniature Circuit Breaker(MCB), apply ...