The utility model discloses a device for high tension switchgear slot signal, include the mechanical execution unit, the control unit, instruction transmit -Receive unit and the electric execution unit that comprise lever, support, contact, the one end of its characterized in that lever and the top of telescopic link are articulated, and the middle part and the support of lever are connected through the pivot, and the other end of lever is fixed with contact 5 for press the button, instruction transmit -Receive unit, the control unit's casing and electric telescopic handle are fixed in on the cubical switchboard cabinet body. The utility model has the advantages of simple structure, convenient to use, it enables the staff need not go to the scene, just come long -range involution 10 through the cell -phone A large amount of time and energy are practiced thrift to 35kV cubical switchboard signal.