YCH1-100 Isolator Switch 1)Poles:1,2,3,4 2)Output:15000pcs/ ... 3)OEM 4)CE,CB,ISO9001,14001,IEC YCH1-100 Isolator Switch YCH1-100 series isolating switch is applying in AC50 ... -tion and control loop, as the key switch of terminal electrical, also can be used in controlling all kinds of motorsand ...