JW2 series earthing switch composed of arbor, static contactor, supporting porcelain and base. It consist of two action:  arbor move up when close,  after rotating shift angle inversly,

dynamic contactor collide with static contactor, arbor  is lift again to insert into static contactor. When opening, the actiong is on the contrarty.  Arbor shrink distance downwards to pull out static contactor,  swing downwards to destination of  opening. JW2 series earthing switch configure with CS9 manual operation machine.