... breakers has novel structure,reliable performance ,high breaking capacity.C45 MCB circuit breaker 1.high breaking capacity2.used in AC 50Hz ... poles1P, 2P, 3P ,4PRated current (A)1,2,3,4,6,10,16,20,25,32,40,50,63Breaking capacity (k ... , and passed troughthe ISO9001/2000. Mini Air type circuit breaker(MCB), with CE, CCC, CQC, ISO9001, 4pole, DZ47, C45N breaker ...