Mechanical airfield lighting load state selector

The present invention discloses a mechanical airfield lighting load state selector. The selector comprises a cylindrical base. One end of the base is provided with a rear cover, the other end of the base is an opening. The selector is characterized in that: an upper cover matched with the base is movably inserted inside the opening of the base; at least two grooves are formed on an inner wall of the opening of the base; bulges with the same number with the grooves, which are matched with the grooves, are formed at the outer edge of the top of the upper cover; a handle is also arranged at the top end of the upper cover; an auxiliary shaft is arranged at the bottom end of the upper cover; the end part of the auxiliary shaft passes through the rear cover; a limiting block is also arranged at the end of the auxiliary shaft; the auxiliary shaft between the limiting block and the rear cover is sleeved with a return spring; the auxiliary shaft between the upper cover and the base is sleeved with a buffer spring; a p