{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SL4140-7CC","brand":"Siemens","brandSlug":"siemens","productSlug":"5SL4140-7CC","canonicalUrl":"https://aoctrl.com/siemens/5SL4140-7CC","factsUrl":"https://aoctrl.com/api/mcp/products/5SL4140-7CC","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 5SL4140-7CC, 1-pole miniature circuit breaker, 40 A rated current, C tripping characteristic, 10 kA breaking capacity per EN 60898, 400 V AC.","salesMarkdown":"## 40 A C-Curve MCB for Branch Circuit Protection At 40 °C it derates to 36.96 A; at 50 °C to 33.64 A; at 55 °C to 31.85 A. ## Mechanical Fit and Panel Integration Occupies 1 modular width unit (18 mm) on standard DIN rail. Depth is 76 mm, height 90 mm. Installation depth 70 mm. Mounting position any — no derating for horizontal or inverted orientation.","metaTitle":"Siemens 5SL4140-7CC SENTRON MCB, 40A C-Curve, 10kA, 1P","metaDescription":"Siemens SENTRON 5SL4140-7CC miniature circuit breaker, 40 A, C-curve, 10 kA per EN 60898, 1-pole, 400 V AC. Current production, available to order. Request quote for pricing and av","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["1-Pole MCB (DIN Rail)"],"specifications":{"Depth":"76 mm","Width":"18 mm","Height":"90 mm","Maximum":"75 °C","Minimum":"-40 °C","Sealable":"Yes","Halogen-Free":"Yes","Silicon-Free":"Yes","Design Of Pole":"1P","Number Of Poles":"1","lifecycle_stage":"current","Mounting Position":"any","at AC rated value":"40 A","Installation Depth":"70 mm","Product Brand Name":"SENTRON","Degree Of Pollution":"2","Product Designation":"Miniature circuit breaker","protection class IP":"IP20, with connected conductors","Overvoltage Category":"III","at 30 °C rated value":"40 A","at 40 °C rated value":"36.96 A","at 45 °C rated value":"35.34 A","at 50 °C rated value":"33.64 A","at 55 °C rated value":"31.85 A","Energy Limitation Class":"3","according to EN 61346-2":"F","according to IEC 81346-2":"F","Suitability For Operation":"Residential buildings/infrastructure","at DC rated value maximum":"72 V","Number Of Modular Width Units":"1","Tripping Characteristic Class":"C","supply voltage at AC rated value":"400 V","according to EN 60898 rated value":"10 kA","Type Of Voltage Of The Operating Voltage":"AC","with multi-phase operation at AC maximum":"440 V","Value Range Of The Supply Voltage Frequency":"50/60 Hz","with multi-phase operation at AC rated value":"440 V","with single-phase operation at AC rated value":"250 V","vibration resistance according to IEC 60068-2-6":"50 m/s² at 25 to 150 Hz","Product Extension Installable Supplementary Devices":"Yes","power loss [W] for rated value of the current at AC in hot operating state per pole":"3.3 W"}},"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=535368&mlfb=5SL4140-7CC","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SL4140-7CC/alternatives.json"},"ai":{"faq":[{"question":"What is the breaking capacity of 5SL4140-7CC?","answer":"10 kA rated breaking capacity per EN 60898 at 400 V AC. This covers standard residential and light commercial branch circuits."},{"question":"Will 5SL4140-7CC drop into a panel specified around 5SL4106-7CC without rewiring?","answer":"Both are 1-pole, 1-module-width (18 mm) SENTRON MCBs on the same DIN-rail footprint. The 5SL4140-7CC is rated 40 A versus 6 A for the 5SL4106-7CC — the physical swap is identical, but the circuit conductors and upstream protection must be sized for the higher 40 A rating."},{"question":"What compliance documentation does Siemens provide for 5SL4140-7CC?","answer":"The MCB carries EN 60898 certification for breaking capacity. It is rated for overvoltage category III, pollution degree 2, and vibration resistance per IEC 60068-2-6. Halogen-free and silicon-free construction."},{"question":"How do I get current pricing and availability for 5SL4140-7CC?","answer":"Sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing confirmed at quote time — submit an RFQ for a firm commercial response."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SL4140-7CC","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/5SL4140-7CC 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}}