Overvoltage suppression equipment suitable for GIS (Gas Insulated Switchgear) equipment

The utility model discloses overvoltage suppression equipment suitable for GIS equipment, which comprises an overvoltage suppression equipment body, the overvoltage suppression equipment body comprises an outer casing, a lower support is mounted on the lower side of the outer casing, a binding post is mounted on the lower side of the outer casing, a lower supporting leg is inserted into the lower support, and a mounting plate is mounted at the lower end of the lower supporting leg. An access hole is formed in one side of the outer machine shell, an access cover is arranged on the outer side of the access hole in a clamped mode, a heat dissipation groove is formed in the outer side of the outer machine shell, and heat dissipation fins are installed on the inner wall of the heat dissipation groove. And a lower support is installed on the lower side of the outer machine shell, and lower supporting feet and a mounting plate are inserted into the lower support, so that the lower portion of the equipment can be con