Safety piece of surge protection device

The utility model discloses a safety piece of a surge protection device, which belongs to the technical field of lightning protection equipment, and comprises a safety piece main body, the safety piece main body is provided with a first vertical side plate, a second vertical side plate and a top plate, the first vertical side plate and the second vertical side plate are bent upwards oppositely to form the top plate, and the top plate is provided with a second vertical side plate. One side of the first vertical side plate and one side of the second vertical side plate extend upwards and are bent outwards relative to the safety piece body to form a first welding plate and a second welding plate, and one side of the top plate extends upwards and is bent outwards relative to the safety piece body to form a third welding plate. The welding firmness between the electrodes and the pins is increased by using the special structure of the safety piece, the stability is improved, the passing current is increased, and th