GW5 outdoor high voltage disconnect switch is used to make or break high voltage circuit in rated voltage 40. 5kV, 72. 5kV or 126/145kV, AC 50/60HZ system. It is also used to open and close small capacitance and inductive current. This series disconnect switch accord with standard: GB1985 AC HV disconnect switch and earthing switch, IEC60129 AC disconnect switch and GB/T11022 common technical requirements of HV switchgear and control equipment.