{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RH1911-1FC22","brand":"Siemens","brandSlug":"siemens","productSlug":"3RH1911-1FC22","canonicalUrl":"https://aoctrl.com/siemens/3RH1911-1FC22","factsUrl":"https://aoctrl.com/api/mcp/products/3RH1911-1FC22","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS auxiliary switch block, 3RH1911-1FC22, 2 NO + 2 NC contacts, 10 A maximum, screw-type terminals, snap-on mounting, IP20 front.","salesMarkdown":"It provides 2 normally open and 2 normally closed contacts (2 NO + 2 NC), wired via screw-type terminals, and snaps onto the contactor without tools. Contact ratings vary by voltage and duty: the maximum continuous current is 10 A, with specific ratings at 24 V (6 A), 60 V (2 A), 110 V (1 A), 125 V (6 A), 220 V (0.3 A), 230 V (6 A), 250 V (6 A), and 400 V (3 A). For AC-15 inductive loads, ratings are 10 A at 24 V, 4.7 A at 60 V, 3 A at 110 V, 1.2 A at 220 V, 0.5 A at 440 V, and 0.26 A at 600 V. If you are open to the successor, the 3RH2911-1FC22 is a direct drop-in replacement with the same footprint and wiring. Snap-on mounting onto the contactor — no DIN rail required. The block measures 36.5 mm wide, 37.5 mm high, and 41.5 mm deep, fitting the S00 frame size of SIRIUS contactors. Screw terminals accept 2x (0.5 to 1.5 mm²) or 2x (0.75 to 2.5 mm²) with core end processing, or 2x (20 to 16) and 2x (18 to 14) AWG. Front protection is IP20, suitable for enclosed panels. The leading and lagging contact arrangement is 2 each, with no instantaneous contacts.","metaTitle":"Siemens 3RH1911-1FC22 SIRIUS Auxiliary Switch Block, 10 A, 2","metaDescription":"Siemens SIRIUS 3RH1911-1FC22 auxiliary switch block. 2 NO + 2 NC contacts, 10 A max, snap-on mounting. Phased-out; successor 3RH2911-1FC22 available. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Contactors"],"specifications":{"Depth":"41.5 mm","Width":"36.5 mm","Height":"37.5 mm","Maximum":"10 A","at 24 V":"6 A","at 60 V":"2 A","at 110 V":"1 A","at 125 V":"6 A","at 220 V":"0.3 A","at 230 V":"6 A","at 250 V":"6 A","at 400 V":"3 A","During Storage":"-55 ... +80 °C","Leading Contact":"2","lifecycle_stage":"current","During Operation":"-25 ... +60 °C","Fastening Method":"snap-on mounting","Lagging Switching":"2","Product Brand Name":"SIRIUS","Suitability For Use":"Contactor relay and power contactor","at 24 V rated value":"10 A","at 60 V rated value":"4.7 A","at 110 V rated value":"3 A","at 220 V rated value":"1.2 A","at 440 V rated value":"0.5 A","at 600 V rated value":"0.26 A","Instantaneous Contact":"0","With Core End Processing":"2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)","at AC-15 at 690 V rated value":"1 A","protection class IP on the front":"IP20","Surge Voltage Resistance Rated Value":"6 kV","at AWG cables for auxiliary contacts":"2x (20 ... 16), 2x (18 ... 14)","Contact Reliability Of Auxiliary Contacts":"1 faulty switching per 100 million (17 V, 1 mA)","Mechanical Service Life (Switching Cycles) Typical":"10 000 000","Type Of Electrical Connection For Auxiliary And Control Circuit":"screw-type terminals","insulation voltage with degree of pollution 3 at AC rated value":"690 V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=250791&mlfb=3RH1911-1FC22","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RH1911-1FC22/alternatives.json"},"ai":{"faq":[{"question":"What replaces 3RH1911-1FC22?","answer":"The official Siemens preferred successor is the SIRIUS 3RH2911-1FC22. It is a direct replacement with the same 2 NO + 2 NC contact configuration, screw terminals, and snap-on mounting for the S00 frame."},{"question":"Where can I buy 3RH1911-1FC22 and get a price?","answer":"We source the 3RH1911-1FC22 to order against an RFQ through independent distribution. Submit a request for quote to confirm current availability and pricing."},{"question":"What are the key contact ratings for 3RH1911-1FC22?","answer":"Maximum continuous current is 10 A. At 24 V it is rated 6 A; at 230/250 V it is 6 A; at 400 V it is 3 A. For AC-15 inductive loads, ratings are 10 A at 24 V, 3 A at 110 V, and 1.2 A at 220 V."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RH1911-1FC22","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/siemens/3RH1911-1FC22 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-09-02T08:15:54.622Z","lastPublished":"2026-09-02T08:15:54.622Z","indexable":true}}