Siemens 3SB Selector Switches (3SB3 & 3SB5 Series)

The Siemens 3SB selector switches are modular, front-panel mounted control devices widely used across industrial automation and control panels. Available in both plastic and metal variants, these switches are designed with a 22mm (or 16mm) mounting diameter and offer latching or momentary actuation, optional illumination, and high protection ratings (IP66/IP67). While durable and reliable, the 3SB series is gradually being replaced by the Siemens SIRIUS ACT range for more advanced functionality.

The Siemens 3SB selector switches are trusted for their robust build quality, versatility, and long-lasting performance in demanding industrial environments. Their modular design allows you to customize configurations with different actuators and contact blocks, ensuring flexibility across a variety of applications. Whether you need simple machine control or reliable signal switching, these selector switches deliver dependable operation.