The utility model relates to a short circuit device of joining in marriage total defective switch processing usefulness, including main female row, stationary contact dish, movable contact dish, elasticity card, telescopic link and operation panel, main female arranging to cuboid flat copper structure, should the female terminal surface four sides angle of arranging of owner through four stationary contact dishes of mounting screw, correspond main female another terminal surface installation movable contact dish of arranging of stationary contact dish, every to moving, pass through to install between the stationary contact dish elasticity card, the elasticity cartoon is crossed the bolt and is moved, the stationary contact dish links together, lies in vertical installation telescopic link between the elasticity card of same vertical side, installation spring axle between the both ends of this telescopic link and the elasticity card, and radially make in every telescopic link outside has the rectangular channel that is used for the cartridge operation panel. The utility model discloses the commonality is strong, small, light in weight, convenient to carry, and that can be applied to various models joins in marriage master switch body trouble, joins in marriage the master switch and changes the back, and this device can repeatedly be used for other emergency treatment that join in marriage master switch body trouble.