... Isolator Switch 1)Poles:1,2,3,4 2)Output:15000pcs/day 3)OEM 4)CE,CB,ISO9001,14001,IEC YCH1-100 Isolator Switch ... YCH1-100 series isolating switch is applying in AC50/60HZ,rated ... under distribu-tion and control loop, as the key switch of terminal electrical, also can be used in ... household and so on.This product conform to GB14048.3,IEC947-3 standard.