1.The Isolating Switch&mcb&circuit breaker applys to 50Hz to 60Hz, pole 220V, ... two, three, four-pole 380V, current to 63A . The Isolating Switch&mcb&circuit breaker applys to 50Hz to 60Hz, pole 220V ... currentARated service short circuit breaking capacityBreaking circuitAPower factor220/24016,10,16,20,25,32,4060000.650.70220/415260000.650.704153,460000 ...