Push button, 16 mm, round, plastic, black, flat push button, 1S push button SIRIUS 3SB2 for switching and controlling electrical consumers. The 3SB2 push buttons and indicator lights 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 high packing density. Available versions: multiple colors, illuminated/non-illuminated, with/without labeling, latching/pressing operation, as well as various button heights. Note: Complete unit, delivery includes holder and switching element(s). 3SB2 - Space-saving, field-proven, and suitable for industrial use!.