Universal change-over switch

The embodiment of the utility model provides a universal change-over switch, and relates to the field of electrical equipment. The universal change-over switch comprises a sliding block and a cam. The sliding block comprises a sliding block body and a rotating assembly. The sliding block body is provided with a mounting part which is provided with a containing groove. The rotating assembly comprises a connecting piece and a rotating piece which are connected, the connecting piece is connected to the mounting part so that the rotating piece can be located in the containing groove, and the rotating piece is used for being in rotating fit with the cam when the universal change-over switch acts. According to the sliding block, the connecting piece is connected with the mounting part of the sliding block body, and the rotating piece is connected with the connecting piece, so that the rotating piece can rotate around the connecting piece or can rotate together with the connecting piece to be in running fit with the