Fuse Switch Disconnector, Isolation Fuse Switch, Fuse Switch, Fuse Switches, Fuse Base, Fuse Holder, Switch Disconnector. Fuse Switch Disconnector, Isolation Fuse Switch, Fuse Switch, Fuse Switches, Fuse Base, Fuse Holder, Switch Disconnector.HR17 series Fuse switch-disconnectors, rated ... 160A-630A,mainly used as power switch, isolating switch and emergency switch with function of protection in the ...