Electric switching device, electric equipment and vehicle

The invention discloses an electrical switch device, electric equipment and a vehicle. The device comprises a switch body, the switch body is provided with a wiring terminal, and the outer side of the wiring terminal is provided with a heat conduction element; the heat management mechanism is arranged on the heat conduction element; and when the current of the wiring terminal is greater than or equal to a preset current value and/or the temperature of the wiring terminal is greater than or equal to a preset temperature value, the heat management mechanism works to cool the switch body.