YCH1-100 Types of Isolator Switch 1)Poles:1,2,3,4 ... )OEM 4)CE,CB,ISO9001,14001,IEC YCH1-100 Types of Isolator Switch YCH1-100 series isolating switch is applying ... voltage 230/400V under distribu-tion and control loop, as the key switch of terminal electrical, also can be used ... in controlling all kinds of motorsand lighting.It used extensively in industry,commercial and household and so on.This product ...