... accords with standards:GB1985, IEC129, GB/T11022. GW5 outdoor AC Disconnect Switch is applicable for rated voltage 40.5kv, 72.5kv or ... small capacitance and inductive current.Technical Parameter 1Rated current(A)630, 1000, 1250, 1600, 20002Rated voltage(KV)40.5, 72.5 ... withstand current(KA)20, 31.5(4s)There are earthing switch type: no earthing, single earthing, double earthing as per your ...