CH7 4P Electric Isolator Switch With Good Price 1. Standard: IEC 60947-3, NEMA AB1 2. Number of ... ,2,3,4 Pole CH7 4P Electric Isolator Switch With Good Price Specifications Electrical featuresRated current InA32, 40,50,63,80,100PolesP3Rated ... mm250AWG 18-1/0 CH7 4P Electric Isolator Switch With Good Price