GW1 outdoor AC high voltage disconnect switch (disconnect switch for short)is used to open and close circuit with voltage but no-load 50/60Hz, 12(40.5)kV power system. It accords with standard: IEC62271-103:High voltage switches.
It can be matched with CS type manual mechanism to avoid error, there
is no necessary to hang an earthing line. There are normal and anti-pollution two types, the anti-pollution type used in serious pollution area.