Knob switch, 16 mm, round, plastic, black, 3 switching positions I-O-II, locking, switching angle 2 x 62 degrees. SIRIUS 3SB2 knob switch for switching and controlling electrical consumers. 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 meet 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: multiple colors, 2-3 switching positions, locking/push-button operation. Note: Individual device, holder, and switching elements must be ordered separately. 3SB2 - space-saving, field-proven, and suitable for industrial use.