{"product_id":"siemens-3rh1921-1da11-6a-2p-auxiliary-switch","title":"Siemens 3RH1921-1DA11 Auxiliary Switch, 6A, 2-Pole","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens 3RH1921-1DA11 Auxiliary Switch\u003c\/strong\u003e is a compact, dependable signaling device engineered for industrial electrical service, maintenance, and replacement projects. With a \u003cstrong\u003e2 poles\u003c\/strong\u003e and a \u003cstrong\u003e6 A\u003c\/strong\u003e switching rating, this auxiliary switch provides reliable feedback for control circuits without overloading your system.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 3RH1921-1DA11\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Auxiliary Switch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent Rating:\u003c\/strong\u003e 6 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Ideal for industrial control panels, motor control centers, and automation cabinets; designed to deliver signaling and feedback to PLCs and control logic\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this Siemens auxiliary switch stands out is its targeted utility in real-world scenes: it serves as the essential signaling companion to contactors and controllers, helping your automation system verify the status of equipment, trigger interlocks, and provide clean, reliable feedback signals for safety and efficiency.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003ePractical use cases\u003c\/strong\u003e include:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eProviding auxiliary contacts in control panels to feed PLC inputs and HMI indicators\u003c\/li\u003e \u003cli\u003eSupplying signaling for motor starting sequences and stop conditions\u003c\/li\u003e \u003cli\u003eSupporting machine guarding interlocks and safety circuits where clear status feedback is critical\u003c\/li\u003e \u003cli\u003eServing as a trusted replacement part in existing Siemens installations to maintain compatibility\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eCompatibility and fit\u003c\/strong\u003e are confirmed by the part number and your specific application requirements. \u003cem\u003eNotes:\u003c\/em\u003e Verify fit by part number and application requirements. Need help matching a part number or confirming compatibility? Message us and we'll help.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46416060219554,"sku":"3RH1921-1DA11","price":102.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/siemens-3rh1921-1da11-6a-2p-auxiliary-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}