Fuse Switch Disconnector, Fuse Switch, switch disconnector, fuse base, fuse holder, fuse connector, fuse isolation switch, fuses Fuse Switch Disconnector, Fuse Switch, switch disconnector, fuse base, fuse holder, fuse connector, fuse isolation switch, fusesKLD automatic changeover switches is applicable for three-phase four-wire power supply system of AC50Hz, AC rated voltage 660V and below, DC ...