Electric power facility anti-overheating isolation switch

The invention discloses an anti-overheating isolating switch for electric power facilities, which comprises a mounting seat, an insulating part, a wire inlet seat, a wire outlet seat and a contact connecting piece, and is characterized in that a rotating assembly is arranged at the upper end of the mounting seat; the number of the insulating parts is two, one insulating part is fixedly installed on the installation base, and the other insulating part is installed on the rotating assembly. The wire outlet seat is mounted on the insulating part above the rotating assembly, and a knife switch is mounted on the outer surface of the wire outlet seat; the wire inlet seat is mounted on the insulating part far away from the rotating assembly; the wire inlet seat is connected with the wire outlet seat through the contact connecting piece; according to the technical key points, the anti-overheating isolating switch for the electric power facility can clean dust on the surfaces of the contact connecting piece and the kn