SF6 Gas-insulated indoor switch disconnector (SFG), Rated voltage 12KV SFG is an SF6 insulated three-position (close, open,earth on) switch disconnector. All electrically activeparts, including the earthing switch, are in robust epoxy resin housings filled with SF6 (1.45 bar). Safety: Made to highest IEC standards, non corrosive leak proof enclosure, inspection windows, integrated voltage ...