{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SN6308-7CN","brand":"Siemens","brandSlug":"siemens","productSlug":"5SN6308-7CN","canonicalUrl":"https://aoctrl.com/siemens/5SN6308-7CN","factsUrl":"https://aoctrl.com/api/mcp/products/5SN6308-7CN","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 5SN6308-7CN, miniature circuit breaker, 3-pole, C-curve, 8A rated, 6kA breaking capacity per EN 60898 at 400V AC, 50/60 Hz.","salesMarkdown":"The Siemens 5SN6308-7CN is a SENTRON miniature circuit breaker, 3-pole, C-curve, rated 8A with a 6 kA breaking capacity per EN 60898 at 400 V AC. Mounts in any position — no derating for upside-down or horizontal orientation. The IP20 rating (with conductors connected) is standard for enclosed panel gear; no washdown rating here, so keep it behind a gland plate or enclosure door. Accepts solid conductors up to 25 mm², which is generous for an 8A breaker — useful when looping through multiple terminals or feeding a downstream distribution block. Rated for -40 °C to +75 °C ambient, with periodic humidity up to +55 °C at 95% RH. Vibration tested to 50 m/s² at 25-150 Hz per IEC 60068-2-6, so it holds up on machinery-mounted subpanels. Sealable design allows tamper-proof locking after commissioning. ## Coordination and selectivity Energy limitation class 3 means it lets through less let-through energy (I²t) than class 1 or 2 breakers — better downstream device protection and easier selectivity with upstream fuses or MCCBs.","metaTitle":"Siemens 5SN6308-7CN SENTRON MCB, 3P C-curve 8A 6kA","metaDescription":"Siemens 5SN6308-7CN SENTRON miniature circuit breaker, 3-pole, C-curve, 8A, 6kA breaking capacity at 400V AC. Active production. Sourced to order. Request quote.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["3-Pole MCB (DIN Rail)"],"specifications":{"Depth":"76 mm","Width":"54 mm","title":"5SN6308-7CN","Height":"90 mm","Maximum":"75 °C","Minimum":"-40 °C","Sealable":"Yes","description":"Circuit breaker 400V, 6kA, 3-pole, C, 8A","Halogen-Free":"Yes","Silicon-Free":"Yes","Design Of Pole":"3P","Number Of Poles":"3","lifecycle_stage":"current","Mounting Position":"any","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","Energy Limitation Class":"3","at DC rated value maximum":"72 V","Number Of Modular Width Units":"3","Tripping Characteristic Class":"C","Product Feature Touch Protection":"Yes","supply voltage at AC rated value":"400 V","according to EN 60898 rated value":"6 kA","Supply Voltage Frequency Rated Value":"50 Hz","Influence Of The Surrounding Temperature":"Periodically +55°C, max. 95% humidity","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","Product Component Neutral Conductor Switching":"No","vibration resistance according to IEC 60068-2-6":"50 m/s² at 25 to 150 Hz","Connectable Conductor Cross-Section Solid Maximum":"25 mm²","Product Extension Installable Supplementary Devices":"Yes","power loss [W] for rated value of the current at AC in hot operating state per pole":"1.4 W"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/84d36c3ccd1b1597208829b2517691fe.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=1847&mlfb=5SN6308-7CN"},"ai":{"faq":[{"question":"Where can I buy the 5SN6308-7CN and get a price?","answer":"Sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — submit an RFQ for a firm price and lead time."},{"question":"What is the depth of the 5SN6308-7CN?","answer":"76 mm deep, 54 mm wide (3 modular units), 90 mm tall. Installation depth is 70 mm, so it fits standard DIN-rail enclosures with room for wiring behind the breaker."},{"question":"Will the 5SN6308-7CN drop into a panel specified for the 5SL4363-7?","answer":"Yes, the 5SN6308-7CN shares the same 76 mm depth, 54 mm width, 90 mm height, and DIN-rail mounting as the 5SL4363-7. The key difference is breaking capacity: 6 kA vs 10 kA (EN 60898). If the panel's fault level is under 6 kA, it is a direct mechanical and electrical fit without rewiring."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SN6308-7CN","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/5SN6308-7CN when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:51:03.652Z","lastPublished":"2026-08-11T15:51:03.652Z","indexable":true}}