{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SL6303-7CC","brand":"Siemens","brandSlug":"siemens","productSlug":"5SL6303-7CC","canonicalUrl":"https://aoctrl.com/siemens/5SL6303-7CC","factsUrl":"https://aoctrl.com/api/mcp/products/5SL6303-7CC","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 5SL miniature circuit breaker, 5SL6303-7CC, 3-pole (3P), C-curve, 3 A rated at 30 °C, 6 kA breaking capacity per EN 60898, 400 V AC, 3 modular width units.","salesMarkdown":"The Siemens 5SL6303-7CC is a SENTRON 5SL-series miniature circuit breaker — three-pole, C-curve, rated 3 A at 30 °C, with a 6 kA interrupting capacity tested per EN 60898. Rated 3 A at 30 °C, but the thermal derating is real: at 40 °C it's 2.83 A, at 45 °C it's 2.74 A, at 50 °C it's 2.65 A, and at 55 °C it's 2.55 A. If the panel ambient runs warm, size up or accept the lower continuous current. Sealable, halogen-free, silicon-free, and touch-protected. Pollution degree 2, overvoltage category III. No neutral conductor switching — this is a three-pole breaker for ungrounded phases only.","metaTitle":"Siemens 5SL6303-7CC SENTRON MCB, 3P, C-Curve, 3 A, 6 kA","metaDescription":"Siemens 5SL6303-7CC SENTRON miniature circuit breaker, 3-pole, C-curve, 3 A, 6 kA breaking capacity per EN 60898. Active production. Quoted to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Miniature Circuit Breakers (MCB)"],"specifications":{"Depth":"76 mm","Width":"54 mm","Height":"90 mm","Maximum":"75 °C","Minimum":"-40 °C","Sealable":"Yes","Halogen-Free":"Yes","Silicon-Free":"Yes","Number Of Poles":"3","Type Of Voltage":"AC","lifecycle_stage":"current","Mounting Position":"any","Installation Depth":"70 mm","Product Brand Name":"SENTRON","Degree Of Pollution":"2","Product Designation":"Miniature circuit breaker","acc. to IEC 81346-2":"F","at AC / rated value":"3 A","protection class IP":"IP20, with connected conductors","Overvoltage Category":"III","Design Of The Product":"5SL miniature circuit breakers","Number Of Poles / Note":"3P","acc. to DIN EN 61346-2":"F","Energy Limitation Class":"3","at 30 °C / rated value":"3 A","at 40 °C / rated value":"2.83 A","at 45 °C / rated value":"2.74 A","at 50 °C / rated value":"2.65 A","at 55 °C / rated value":"2.55 A","Suitability For Operation":"Residential buildings/infrastructure","Number Of Modular Width Units":"3","Tripping Characteristic Class":"C","at DC / rated value / maximum":"72 V","acc. to EN 60898 / rated value":"6 kA","Product Feature / Touch Protection":"Yes","supply voltage / at AC / rated value":"400 V","Influence Of The Surrounding Temperature":"Periodically +55°C, max. 95% humidity","vibration resistance / acc. to IEC 60068-2-6":"50 m/s² at 25 to 150 Hz","with multi-phase operation / at AC / maximum":"440 V","Product Function / Neutral Conductor Switching":"No","with multi-phase operation / at AC / rated value":"440 V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/e28fb75413fb54314f53a14e2d28f4be.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=227850&mlfb=5SL6303-7CC","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SL6303-7CC/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 5SL6303-7CC and how is it quoted?","answer":"Sourced and quoted to order against an RFQ through independent distribution; availability and current pricing confirmed at quote time."},{"question":"What is 5SL6303-7CC's depth?","answer":"Overall depth is 76 mm; installation depth is 70 mm."},{"question":"Will 5SL6303-7CC drop into a panel specified around 5SJ6325-7RC without rewiring?","answer":"Both are 3-pole, C-curve MCBs on a DIN-rail footprint, but the 5SJ6325-7RC is a different series with different breaking capacity and physical dimensions — verify the cut-out and busbar alignment before swapping."},{"question":"What compliance documentation does Siemens provide for 5SL6303-7CC?","answer":"The part carries EN 60898 certification for breaking capacity; it is halogen-free and silicon-free. Standard Siemens declarations for RoHS and REACH are available on request."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SL6303-7CC","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/5SL6303-7CC 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}}