{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SL4140-0RC","brand":"Siemens","brandSlug":"siemens","productSlug":"5SL4140-0RC","canonicalUrl":"https://aoctrl.com/siemens/5SL4140-0RC","factsUrl":"https://aoctrl.com/api/mcp/products/5SL4140-0RC","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 5SL4 series, Miniature Circuit Breaker, 40A, 1-pole, Z characteristic, 10kA breaking capacity, order code 5SL4140-0RC.","salesMarkdown":"The Siemens 5SL4140-0RC is a 40 A single-pole miniature circuit breaker with a Z characteristic and 10 kA breaking capacity. The Z curve trips between 2.5 and 5 times rated current, designed for semiconductor and control circuit protection where inrush is minimal but short-circuit discrimination matters.","metaTitle":"Siemens 5SL4140-0RC MCB, 40A 1P Z-Characteristic 10kA","metaDescription":"Miniature circuit breaker 40A single-pole Z-characteristic 10kA breaking capacity. Current lifecycle stage. Sourced and quoted 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/d26f2f63859bc35ff42bd407efc1c902.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=1502365&mlfb=5SL4140-0RC","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SL4140-0RC/alternatives.json"},"ai":{"faq":[{"question":"What does the Z characteristic mean on this MCB?","answer":"The Z characteristic trips between 2.5 and 5 times the 40 A rated current, making it suitable for protecting semiconductor devices and control circuits that have low inrush but require fast short-circuit clearing."},{"question":"Where can I buy 5SL4140-0RC and get current pricing?","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/5SL4140-0RC","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/5SL4140-0RC 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}}