... area distribution, mininature substation,opening and closing room, box type substation, industrial and mining enterprise, shopping malls ,airport, ... subway,wind power generation,hospital,staium, railway, tunnel and more.the ... some requirements of GB 11022-1999,GB 3906-2006, and ZEC62271-200:2003 Switchgear standard . XGN15-24(HVS6 ...