... , 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 ... breaks the ability, makes the line to isolate uses. HR17 Series Fuse Switch Disconnector