Key switch, 16 mm, round, plastic, CES, SB2, 2 switch positions O<I, momentary, retraction from the right, switching angle 50 degrees, key removal O, possible special locks: SB3, SB4, SB5 Key switch SIRIUS 3SB2 for higher demands on access security.The 3SB2 pushbuttons and indicator lights are modular, tried and tested in practice and suitable for industrial use. Their small design makes them particularly suitable for small control surfaces. They are highly functional, extremely robust and comply with the standards IEC/EN 60947-5-1 and 60947-5-5. They can be installed without special tools and in high packing density.Available versions: 2/3 switch positions, latching/momentary operation, various key removal positions.Note: Please order individual device, holder and switching elements separately.3SB2 - space-saving, tried and tested in practice and suitable for industrial use!