... 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 ... circuits2Rated peak withstand currentkA62.5 SF6 Gas-insulated indoor switch disconnecter (SFG)