Dual power supply automatic switching device with single-wire output

The utility model provides a dual power supply automatic switching device with single-wire output, and effectively solves the problems that outlet terminals are too many, the installation and operation are inconvenient, the reliability is poor, and the like of the dual power supply automatic switching device in the prior art. The dual power supply automatic switching device with single-wire output disclosed by the utility model comprises a primary circuit breaker, a secondary circuit breaker, a transmission device between the primary circuit breaker and the secondary circuit breaker, and an electronic control device used for controlling the connection or disconnection of the primary circuit breaker and the secondary circuit breaker. An outlet terminal of the primary circuit breaker and an outlet terminal of the secondary circuit breaker are connected. The dual power supply automatic switching device with single-wire output provided by the utility model can effectively realize the single-wire output, does not