MCB, RCCB, SPD manufacturer / supplier in China, offering Miniature Circuit Breaker Short Circuit and Overcurrent Protection, with Certification ISO9001-2000, CE, CB, CCC, Hot Sales Miniature Circuit Breaker 6ka New Type Air MCB 230/400 V AC, Lrm2-63 MCB Circuit Breaker Overload, Short-Circuit Protection 6000A 50/60Hz and so on.