{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SJ6140-7RC","brand":"Siemens","brandSlug":"siemens","productSlug":"5SJ6140-7RC","canonicalUrl":"https://aoctrl.com/siemens/5SJ6140-7RC","factsUrl":"https://aoctrl.com/api/mcp/products/5SJ6140-7RC","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 5SJ6 Retail line, miniature circuit breaker (MCB), 1-pole, 6kA breaking capacity, 40 A rated current, C characteristic.","salesMarkdown":"The Siemens 5SJ6140-7RC is a 1-pole miniature circuit breaker from the 5SJ6 Retail line, rated at 40 A with a C characteristic and a 6 kA breaking capacity. ## Fit and Application The 40 A rating and C characteristic make it a direct fit for a 40 A feeder or a motor branch circuit where the upstream device is coordinated for selectivity.","metaTitle":"Siemens 5SJ6140-7RC MCB 1p 6kA 40A C Characteristic","metaDescription":"Siemens 5SJ6140-7RC MCB, 1-pole, 6kA breaking capacity, 40A rated current, C characteristic. Current lifecycle stage. Sourced to order against an 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/8f7d45daa15dd70d1753c1855941e587.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=1423733&mlfb=5SJ6140-7RC","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SJ6140-7RC/alternatives.json"},"ai":{"faq":[{"question":"What is 5SJ6140-7RC's breaking capacity and characteristic?","answer":"The 5SJ6140-7RC is a 1-pole MCB with a 6 kA breaking capacity, 40 A rated current, and a C characteristic, suited for moderate inrush loads."},{"question":"Where can I buy 5SJ6140-7RC?","answer":"5SJ6140-7RC is sourced and quoted to order against an RFQ through independent distribution, with availability and current pricing confirmed at quote time."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SJ6140-7RC","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/5SJ6140-7RC 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}}