Gas insulated switchgear load switch

The utility model discloses an inflatable cabinet load switch capable of preventing discharge between a contact fixing screw and a frame. According to the technical scheme, the device comprises side plates which are oppositely arranged, an upper insulating cross beam, a main shaft and a lower insulating cross beam, the upper insulating cross beam, the main shaft and the lower insulating cross beam are sequentially arranged between the side plates, the upper insulating cross beam is provided with three-phase static contacts, the lower insulating cross beam is provided with three-phase moving contacts, the main shaft is provided with three-phase crank arms connected with the moving contacts, and the main shaft is provided with three-phase connecting levers connected with the moving contacts. Each phase of static contact comprises an L-shaped main body, a first screw and a second screw, one end of the L-shaped main body is fixed on the upper insulating cross beam through the first screw, the second screw is arra