... capacity.C45 MCB circuit breaker 1.high breaking capacity2.used in AC 50Hz/60Hz single-pole 240V 3.1 ... overloadand short-circuit in the system.it is mainly used in AC 50Hz/60Hz single-pole 240V or two, ... 3P ,4PRated current (A)1,2,3,4,6,10,16,20,25,32,40,50,63Breaking capacity (k A ... hace been certificated by CE&CCE, and passed troughthe ISO9001/2000. Mini Air type circuit breaker(MCB), with CE, CCC, CQC, ...