RONIS key-operated switch, 22 mm, round, metal, shiny, special lock, with 2 keys, 3 switch positions I-O<II left latching, momentary contact type on the right, actuating angle 2x45°, 10:30h/12h/13:30h, key removal O, possible special locks: SB31, 421, 455, customer-specific selection with SIRIUS ACT configurator (CIN)