{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SJ6140-6RC","brand":"Siemens","brandSlug":"siemens","productSlug":"5SJ6140-6RC","canonicalUrl":"https://aoctrl.com/siemens/5SJ6140-6RC","factsUrl":"https://aoctrl.com/api/mcp/products/5SJ6140-6RC","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 5SJ6 Retail line MCB, 1-pole, 6kA breaking capacity, 40A rated current, B characteristic, order code 5SJ6140-6RC.","salesMarkdown":"The 6 kA breaking capacity at 230/400 V is adequate for most final subcircuits in a TN or TT system; for higher prospective fault currents (e.g., close to a transformer), you step up to a 10 kA or 15 kA rated MCB.","metaTitle":"Siemens 5SJ6140-6RC MCB 1P 6kA 40A B Curve","metaDescription":"Siemens 5SJ6140-6RC MCB, 1-pole, 6kA breaking capacity, 40A rated current, B characteristic. Current lifecycle stage. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["1-Pole MCB (DIN Rail)"],"specifications":{"lifecycle_stage":"current"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/0ab6b55576c849c5b8033f0ba4731d0d.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=1423732&mlfb=5SJ6140-6RC","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SJ6140-6RC/alternatives.json"},"ai":{"faq":[{"question":"What is the breaking capacity and characteristic of 5SJ6140-6RC?","answer":"It is a 1-pole MCB with a 6 kA breaking capacity, 40 A rated current, and a B characteristic (trips at 3–5× In)."},{"question":"Where can I buy 5SJ6140-6RC?","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/5SJ6140-6RC","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/5SJ6140-6RC 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}}