Switching equipment for external power supply of pole-mounted circuit breaker

The utility model relates to a maintenance auxiliary tool in the electric power field. The utility model relates to a switching device, in particular to a switching device for a pole-mounted circuit breaker external power supply. The device comprises a conductive mechanism and a plurality of adapter cables, one end of the conductive mechanism is provided with a conductive joint which is conductively connected with the circuit breaker. A connector is arranged at the other end; a plug matched with the connector is arranged at one end of each adapter cable; an adapter matched with a power supplyis arranged at the other end; the adapter of each adapter cable is matched with one type of power supply; a single switching device can be conductively connected with different types of power supplies; during use, a power supply which is convenient to obtain near the circuit breaker can be selected; the conductive mechanism is connected with the circuit breaker in the power-off state through the conductive connector, cond