Key switch, 16 mm, round, plastic, Siemens, C, SB2, 2 switching positions O-I, latching, switching angle 62 degrees, key release O+I, possible special closures: SB3, SB4, SB5. The SIRIUS 3SB2 key switch is designed for higher access security requirements. The push buttons and indicator lights 3SB2 are modular, field-proven, and suitable for industrial use. Due to their compact design, they are particularly suitable for small control panels. 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 a high packing density. Available versions: 2/3 switching positions, latching/pressing operation, various key release positions. Note: Individual device, holder, and switching elements must be ordered separately. 3SB2 - space-saving, field-proven, and suitable for industrial use!.