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.

Key Features at a Glance

• Modular design for flexible configuration

• Easy front-panel mounting installation

• Standard 22mm/16mm mounting hole sizes

• Choice of plastic or metal housing

• Latching or momentary action options

• Illuminated versions available for better visibility

• Rugged IP66/IP67 protection rating for harsh environments

Why Choose This Product

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.

Ideal For

• Industrial automation and process control

• Machine and equipment control panels

• Electrical distribution boards

• High-hygiene or washdown environments (food, pharma, cleanrooms)

• Applications needing rugged, sealed operator interfaces

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