3SU1030-4HN21-0AA0

Key-operated switch O.M.R, 22 mm, round, plastic with metal front ring, lock number 73034, black, with 2 keys, 3 switch positions I-O<II, left latching, right momentary contact type, actuating angle 2x45°, 10:30h/12h/13:30h, Key removal I