{"product_id":"siemens-3rv2901-2a-auxiliary-contact-block-2-form-a","title":"Siemens 3RV2901-2A Auxiliary Contact Block 2 Form A","description":"\u003cdiv\u003e\u003cp\u003eSiemens 3RV2901-2A is a side-mounted auxiliary contact block for the 3RV2 family of molded‑case circuit breakers, delivering two normally open (Form A) contacts that close when the associated breaker energizes to provide a signaling interface for control circuits. The unit attaches to the side of the breaker and uses spring‑type terminals suitable for 1.5 mm² conductors, enabling clean, low‑voltage wiring for auxiliary and control wiring. Its finger‑safe construction supports front‑accessible operation in panel installations, making it a reliable choice for status signaling, interlocks, and PLC feedback in motor control and automation cabinets. Typical applications include signaling breaker status to a PLC or interlocking logic to ensure proper sequencing, and Siemens explicitly lists it as an auxiliary switch block accessory for the 3RV2 circuit breakers. \u003c\/p\u003e\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"New","offer_id":46268140224746,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/8039\/3450\/files\/GTG-STOCK-017.png?v=1788727429","url":"https:\/\/gtghardware.com\/products\/siemens-3rv2901-2a-auxiliary-contact-block-2-form-a","provider":"GTG Hardware","version":"1.0","type":"link"}