Siemens 3SE03-BR1 Rotary Limit Switch Side Rotary Actuated

Siemens 3SE03-BR1 is a side-rotary, modular limit switch with two normally open and two normally closed contacts (2NO-2NC) in a two-pole configuration. The BR1 variant comes from the 3SE03 family and features a rugged metal housing with plug-in head compatibility for quick field replacement. It accepts Siemens head modules and lever options sold separately, enabling easy field configurability and tailored actuation. Typical applications include machine-level position sensing and safety interlock tasks on conveyors, packaging lines, and automated equipment where reliable switching and straightforward servicing are essential.