User power failure reason identifying and positioning device

The utility model discloses a user power-off reason identifying and positioning device, which relates to the field of circuit monitoring devices and comprises a case shell, a built-in power supply, an alarm module and a wireless communication module are arranged in the case shell, and a card slot, an antenna interface, an alarm interface, a switch and a 220V wiring port are arranged at the top of the case shell. A 380V wiring groove is formed in the bottom of the case shell, the card slot is electrically connected with the wireless communication module, the antenna interface is externally connected with a signal antenna, the antenna interface is electrically connected to the wireless communication module, the alarm interface is electrically connected with the alarm module, the alarm interface is externally connected with an alarm assembly, the alarm module is electrically connected with the wireless communication module, and the wireless communication module is electrically connected with the wireless communi