YCH1-100 Types of Isolator Switch 1)Poles:1,2,3,4 2)Output: ... ,CB,ISO9001,14001,IEC YCH1-100 Types of Isolator Switch YCH1-100 series isolating switch is applying in AC50/60HZ,rated operated voltage ... the key switch of terminal electrical, also can be used in controlling all kinds of motorsand lighting.It used extensively in industry,commercial and ...