Low-voltage seamless uninterruptible power switching device

The utility model provides a low-voltage seamless uninterruptible power switching device, which comprises a plurality of low-voltage alternating-current branches, a plurality of incoming line voltage and current acquisition modules, an analog-to-digital circuit, a CPU (central processing unit) control circuit, a plurality of remote signaling input circuits, a plurality of remote control output circuits and an alarm output circuit. The incoming line voltage and current acquisition module is used for acquiring voltage and current signals of a low-voltage AC branch, the incoming line voltage and current acquisition module comprises a voltage acquisition module and a current acquisition module, and the CPU control circuit is used for receiving the voltage signals acquired by the voltage acquisition module and the current signals acquired by the current acquisition module. The multi-channel remote signaling input circuit and the multi-channel remote control output circuit are respectively connected with the CPU co