CH7 4P Electric Isolator Switch With Good Price 1. Standard: IEC 60947-3, NEMA AB1 2. Number ... 2,3,4 Pole CH7 4P Electric Isolator Switch With Good Price Specifications Electrical featuresRated current InA32, 40,50,63,80, ... impulse withstand voltage (1.2/50) UimpV4000Dielectric test voltage at ind. Freq. for 1 minKv2.5Rated making and breaking ... 18-1/0 CH7 4P Electric Isolator Switch With Good Price