{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SY6463-6","brand":"Siemens","brandSlug":"siemens","productSlug":"5SY6463-6","canonicalUrl":"https://aoctrl.com/siemens/5SY6463-6","factsUrl":"https://aoctrl.com/api/mcp/products/5SY6463-6","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 5SY6 series, 5SY6463-6, miniature circuit breaker, 4-pole, B-curve, 63 A rated at 400 V AC, 6 kA breaking capacity per EN 60898.","salesMarkdown":"## Breaking capacity — the ratings that matter for fit This breaker carries multiple breaking capacity ratings depending on the standard applied: 6 kA per EN 60898, 10 kA per IEC 60947-2 at 400 V AC, and 15 kA per IEC 60947-2 at DC (72 V max). For UL 1077 / CSA C22.2 No. 235 applications, it's rated 5 kA at AC. The energy limiting class is 3, meaning it restricts let-through energy well enough to protect downstream components in a properly coordinated system. ## Installation and environmental notes Ambient temperature range is -40 °C to 75 °C, with derating for humidity: max 95% RH up to 55 °C, tapering to 35% RH at 75 °C. Touch protection is built in per the product feature listing.","metaTitle":"Siemens 5SY6463-6 SENTRON MCB, 63 A, B-Curve, 4-Pole","metaDescription":"Siemens 5SY6463-6 SENTRON miniature circuit breaker, 63 A rated, B-curve, 4-pole, 400 V AC, 6 kA per EN 60898. Current-production lifecycle. Quoted to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Miniature Circuit Breakers (MCB)"],"specifications":{"Depth":"76 mm","Width":"72 mm","Height":"90 mm","Maximum":"75 °C","Minimum":"-40 °C","Sealable":"Yes","Rated Value":"50/60 Hz","Halogen-Free":"Yes","Silicon-Free":"Yes","Mounting type":"Quick assembly system","Number of poles":"4","Type of voltage":"AC","lifecycle_stage":"current","Mounting position":"any","Installation depth":"70 mm","Product brand name":"SENTRON","Product designation":"Miniature circuit breaker","Protection class IP":"IP20, with connected conductors","at AC / rated value":"400 V","Overvoltage category":"III","Combined Terminal Top":"Yes","Energy limiting class":"3","Number of width units":"4","Number of poles / Note":"4P","acc. to DIN EN 61346-2":"F","acc. to DIN EN 81346-2":"F","Combined Terminal Bottom":"Yes","circuit-breaker / Design":"5SY6","Suitability for operation":"Mechanical engineering / industry","Current / at AC / rated value":"63 A","Tripping characteristic class":"B","at DC / rated value / maximum":"72 V","acc. to EN 60898 / rated value":"6 kA","Position / of power supply cord":"Any","acc. to IEC 60947-2 / rated value":"10 kA","Product feature / Touch protection":"Yes","Influence of the surrounding temperature":"max. 95% to 55°C, max. 55% to 70°C, max. 35% to 75°C","at DC / acc. to IEC 60947-2 / rated value":"15 kA","at AC / acc. to UL 1077 and CSA C22.2 No.235":"5 kA","Product function / neutral conductor switching":"No","with multi-phase operation / at AC / rated value":"440 V","with single-phase operation / at AC / rated value":"440 V","Mechanical service life (switching cycles) / typical":"10 000"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=48242&mlfb=5SY6463-6","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SY6463-6/alternatives.json"},"ai":{"faq":[{"question":"What is the breaking capacity of 5SY6463-6?","answer":"It depends on the standard: 6 kA per EN 60898, 10 kA per IEC 60947-2 at 400 V AC, 15 kA per IEC 60947-2 at 72 V DC, and 5 kA per UL 1077 / CSA C22.2 No. 235 at AC."},{"question":"Where can I buy 5SY6463-6 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 the time of quote — submit an RFQ for a firm position."},{"question":"Does the 5SY6463-6 switch the neutral?","answer":"No. The product function listing indicates neutral conductor switching is not provided — this is a 4-pole breaker that does not switch the neutral."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SY6463-6","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/5SY6463-6 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}}