... :GB1985, IEC129, GB/T11022. GW5 outdoor AC Disconnect Switch is applicable for rated voltage 40.5kv, 72.5kv or 126kv, AC 50Hz ... current(A)630, 1000, 1250, 1600, 20002Rated voltage(KV)40.5, 72.5, 1263Peak withstand current(KA)50, 804Short time withstand current(KA ... )20, 31.5(4s)There are earthing switch type: no earthing, single earthing ...