... 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 ... motor. When isolator with isolation knife replace fuse, this switch does not have the ... to isolate uses. HR17 Series Fuse Switch Disconnector