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