{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RH1911-2FA22-0MC0","brand":"Siemens","brandSlug":"siemens","productSlug":"3RH1911-2FA22-0MC0","canonicalUrl":"https://aoctrl.com/siemens/3RH1911-2FA22-0MC0","factsUrl":"https://aoctrl.com/api/mcp/products/3RH1911-2FA22-0MC0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RH1911-2FA22-0MC0 auxiliary switch block, 2 NO + 2 NC, 10 A maximum, spring-loaded terminals, snap-on mounting, IP20 front.","salesMarkdown":"## Front-mounted auxiliary switch for SIRIUS contactor relays The Siemens 3RH1911-2FA22-0MC0 is a front-mounted auxiliary switch block for the SIRIUS 3RT101..-.K...-0LA0 contactor relay series, adding 2 NO + 2 NC contacts with spring-loaded terminals. At 400 V DC it handles 3 A. For AC-15 duty at 690 V it's rated 1 A — this is the rating that matters for switching inductive loads like contactor coils in a 690 V panel. ## Field wiring and panel fit Snap-on mounting to DIN rail, with dimensions 46 mm deep, 36.5 mm wide, 37.5 mm high — fits the standard SIRIUS contactor footprint. Front IP20 protection means it's safe for panel interior use where no one touches live parts; the insulation voltage is rated 690 V at pollution degree 3, appropriate for industrial control panels.","metaTitle":"Siemens 3RH1911-2FA22-0MC0 Auxiliary Switch, 10 A","metaDescription":"Siemens SIRIUS auxiliary switch block, 2 NO + 2 NC, rated 10 A max. Spring-loaded terminals, snap-on DIN rail mount. Active production, quoted to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Contactors"],"specifications":{"Depth":"46 mm","Width":"36.5 mm","title":"3RH1911-2FA22-0MC0","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","description":"auxiliary switch, on the front, 2 NO + 2 NC, 53/54, 61/62, 71/72, 83/84, current path: 1 NO, 1 NC, 1 NC, 1 NO, spring-loaded terminal, for 3RT101..-.K...-0LA0","During Storage":"-55 ... +80 °C","lifecycle_stage":"current","During Operation":"-25 ... +60 °C","Fastening Method":"snap-on mounting","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":"2","With Core End Processing":"2x (0.5 ... 1.5 mm²)","Without Core End Processing":"2x (0.5 ... 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 ... 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":"spring-loaded terminals","insulation voltage with degree of pollution 3 at AC rated value":"690 V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/6e1cab59edc982ab87b1bd1d54f714c2.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=1458566&mlfb=3RH1911-2FA22-0MC0"},"ai":{"faq":[{"question":"What are the key ratings for the 3RH1911-2FA22-0MC0?","answer":"Maximum current is 10 A. AC-15 at 690 V is rated 1 A. Mechanical life is 10 million switching cycles typical."},{"question":"How do I order the 3RH1911-2FA22-0MC0 and get a price?","answer":"This part is quoted to order against your BOM quantity."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RH1911-2FA22-0MC0","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/3RH1911-2FA22-0MC0 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T19:47:38.189Z","lastPublished":"2026-07-22T19:47:38.189Z","indexable":true}}