... four-pole 380V, current to 63A . The Isolating Switch&mcb&circuit breaker applys to 50Hz to 60Hz, pole 220V, two, three ... 380V, current to 63A for the overload, short circuit protection. 7. Especially suitable for industrial and commercial ... lines. Technical parameters:Rated voltageVPoleRated currentARated service short circuit breaking capacityBreaking circuitAPower factor220/24016,10,16,20,25 ...