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 ... ,rated operated voltage 230/400V under distribu-tion and control loop, as the key switch of terminal electrical, also can be ...