SL series load isolation switch mainly suitable for AC 50Hz,rated voltage to 660V,DC ... rated voltage up to 440V SL series load isolation switch mainly suitable for AC 50Hz,rated voltage to 660V,DC ... up to 440V,rated current up to 3,150A,The switch is used in the infrequent making and breaking circuit.63A ... =0.35 AC23500500Weight(kg)3poles0.370.374poles0.410.41 load break isolating switch