63A KMB2Z-63 DC Circuit Breaker ( DC MCB breaker ) 1,1A,2A,3A,5A,6A,10A, ... 63 High Breaking DC Circuit Breaker (DC MCB breaker)ker(hereafter ref The KMB2Z-63 series DC Mini Circuit Breakers to as circuit breaker (DC MCB breaker ), is suitable ... Industrial and mining establishment. This design of the DC miniature circuit breaker (DC circuit breaker) is in the present domestic similar products the shell ...