Outdoor ring main unit

The utility model relates to the technical field of power distribution equipment, and discloses an outdoor ring main unit which comprises a box body and a box door connected with the box body, a mounting cavity used for containing electrical equipment is formed in the box body, the box body comprises two oppositely-arranged side plates, through holes communicated with the mounting cavity are formed in the side plates, and the through holes are communicated with the mounting cavity. The side plate is connected with an opening and closing piece for opening and closing the through hole, the opening and closing piece comprises an upper baffle and a lower baffle which are hinged to each other, the top end of the upper baffle is rotationally connected with the hole wall of the through hole, and the bottom end of the upper baffle is rotationally connected with the lower baffle; a fixing plate is rotationally connected to the lower portion of the lower baffle, and the two ends of the fixing plate are vertically arran