HR17 fuse switch disconnector,Isolating Switch Fuse Rated voltage: 660V Rated current:160A,250A,400A,630A HR17 fuse switch disconnector,Isolating Switch Fuse1. Description: ... rates current 160A~630A mainly used as power switch, isolating switch and emergency switch with function of protection in the circuit with ... 630ARated currents: 4, 6, 10, 16, 20, 25, 32, 35, 40, 50, 63, 80, 100, 125, 160, 200, 224 ...