High-heat-dissipation electrical cabinet with openable rear cover

The utility model discloses a high heat dissipation electrical cabinet with an openable rear cover, which belongs to the technical field of electrical cabinets and comprises a cabinet body, a front door and a rear cover, the front door and the rear cover are symmetrically arranged on two sides of the cabinet body, the rear cover is rotatably connected onto the cabinet body through hinges, the rear cover is of a split structure and comprises an upper cover and a lower cover, and the upper cover and the lower cover are connected with each other through hinges. An anti-static rubber mat is arranged on the connecting section of the upper cover and the lower cover, a cooling fan is arranged on the lower cover, a first ventilation opening is formed in the upper cover, and a water cooling device is arranged on one side in the cabinet body. According to the high-heat-dissipation electrical cabinet with the openable and closable rear cover, the front door and the rear cover are arranged in a double-door manner, so tha