The utility model discloses an electrical equipment failure detects and protects setting, the device comprises a device body, photosensitive sensor, smoke transducer and bee calling organ are installed respectively to the side of device body, photosensitive sensor's outside cover is equipped with the glass cover, controller, control switch and electromagnetism inductor are installed respectively to the inner chamber of device body, the inner chamber of device body runs through and is equipped with foam extinguisher, the camera is installed on the upper portion of device body. The utility model discloses a setting up smoke transducer and photosensitive induction ware, can in time inspecting out whether appear the electric leakage in the equipment, themogenesis and accident such as on fire, device control ware, control switch and foam extinguisher can in time effectually make judgement and measure to corresponding trouble under the effect of controller, avoid the emergence of more major break down, through installing the camera, are used for being real time monitoring, simple structure, convenience safe in utilization to the power equipment inside condition.