Public power distribution cabinet

The invention discloses a public power distribution cabinet. The public power distribution cabinet includes a cabinet body, wherein device mounting plates are symmetrically arranged on the inner side surface of the cabinet body; the device mounting plates at two sides are arranged in a staggered way; a blower fan is arranged at the inner top of the cabinet body; an air channel is formed among the device mounting plates which are arranged at two sides in a staggered way; a slide rail is arranged at the side surface of the cabinet body; a cabinet door is coordinatively arranged in the slide rail and is used for sealing the cabinet body; the other side of the cabinet body is provided with lock screws for locking the cabinet door; the back end surface of the cabinet body is provided with a cover plate; the bottom of the cover plate is provided with an air outlet slot; and radiating fins are arranged at one end surface, being far away from the cabinet body, of the cover plate. The public power distribution cabinet can produce cold air through the blower fan, and then the cold air passes through the air channel, and the air outlet slot brings out hot air so that public power distribution cabinet can effectively reduce the temperature in the power distribution cabinet, and can avoid the situation that the operating temperature of the power distribution cabinet is too high, and can prevent damaging the internal devices.