{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RH2140-2LV40","brand":"Siemens","brandSlug":"siemens","productSlug":"3RH2140-2LV40","canonicalUrl":"https://aoctrl.com/siemens/3RH2140-2LV40","factsUrl":"https://aoctrl.com/api/mcp/products/3RH2140-2LV40","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RH2140-2LV40 coupling contactor relay railway, 4 NO, 36 V DC, 0.7...1.25* US with integrated varistor, frame size S00, spring-loaded terminal.","salesMarkdown":"Frame size S00 keeps the footprint compact for DIN-rail mounting in a control cabinet. The spring-loaded terminals accept solid or ferruled stranded conductors without needing a screwdriver torque check — strip length and wire gauge per the terminal marking on the housing.","metaTitle":"Siemens 3RH2140-2LV40 Coupling Contactor Relay, 4 NO, 36 V D","metaDescription":"Siemens 3RH2140-2LV40 coupling contactor relay railway, 4 NO, 36 V DC, 0.7...1.25* US, integrated varistor, frame size S00, spring-loaded terminal. Lifecycle stage: current. Availa","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Contactors"],"specifications":{"lifecycle_stage":"current"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/59bfbfd6ee6c0638951a94b2f7a2fad8.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=1667128&mlfb=3RH2140-2LV40","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RH2140-2LV40/alternatives.json"},"ai":{"faq":[{"question":"What is the 3RH2140-2LV40 used for?","answer":"It is a coupling contactor relay for railway applications, switching 4 NO contacts at 36 V DC coil voltage, with an integrated varistor for transient suppression."},{"question":"Where can I buy the 3RH2140-2LV40?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RH2140-2LV40","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/3RH2140-2LV40 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}}