{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SY6263-6","brand":"Siemens","brandSlug":"siemens","productSlug":"5SY6263-6","canonicalUrl":"https://aoctrl.com/siemens/5SY6263-6","factsUrl":"https://aoctrl.com/api/mcp/products/5SY6263-6","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 5SY6263-6, 2-pole miniature circuit breaker, 63 A, B-characteristic, 6 kA / 10 kA, 36 mm wide.","salesMarkdown":"The 5SY6263-6: Quick-assembly system clips onto DIN rail without tools. Combined top and bottom terminals allow straight-through wiring; the terminals accept conductors for feed-through. IP20 rating with conductors connected, pollution degree 3 for control cabinet use. Halogen- and silicon-free construction reduces corrosion risk in sealed enclosures. Any mounting position and any supply side orientation. Current production; sourced to order.","metaTitle":"Siemens 5SY6263-6 SENTRON MCB, 63 A, 2-pole, B-Curve","metaDescription":"Siemens SENTRON 5SY6263-6 miniature circuit breaker, 63 A, 2-pole, B-characteristic, 6 kA (EN 60898) / 10 kA (IEC 60947-2), current production, sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["2-Pole MCB (DIN Rail)"],"specifications":{"Depth":"76 mm","Width":"36 mm","title":"5SY6263-6","Height":"90 mm","Maximum":"75 °C","Minimum":"-40 °C","Sealable":"Yes","Standard":"IEC / EN 60898-1, IEC / EN 60947-2 / UL1077","description":"Miniature circuit breaker 400 V 6kA, 2-pole, B, 63A, D=70 mm","Halogen-Free":"Yes","Silicon-Free":"Yes","Design Of Pole":"2P","Number Of Poles":"2","lifecycle_stage":"current","Fastening Method":"Quick assembly system","Mounting Position":"any","Installation Depth":"70 mm","Product Brand Name":"SENTRON","Degree Of Pollution":"3","Product Designation":"Miniature circuit breaker","at AC / rated value":"63 A","protection class IP":"IP20, with connected conductors","Overvoltage Category":"III","Combined Terminal Top":"Yes","Energy Limitation Class":"3","according to EN 61346-2":"F","at 35 °C / rated value":"63 A","at 40 °C / rated value":"59.16 A","at 45 °C / rated value":"57.14 A","at 50 °C / rated value":"55.06 A","at 55 °C / rated value":"52.92 A","Combined Terminal Bottom":"Yes","according to IEC 81346-2":"F","Suitability For Operation":"Mechanical engineering / industry","Number Of Modular Width Units":"2","Tripping Characteristic Class":"B","Position / Of Power Supply Cord":"Any","Product Feature / Touch Protection":"Yes","according to EN 60898 / rated value":"6 kA","according to IEC 60947-2 / rated value":"10 kA","Influence Of The Surrounding Temperature":"max. 95% to 55°C, max. 55% to 70°C, max. 35% to 75°C","Type Of Voltage / Of The Operating Voltage":"AC","Value Range / Of The Supply Voltage Frequency":"50/60 Hz","at DC / according to IEC 60947-2 / rated value":"15 kA","Product Component / Neutral Conductor Switching":"No","with multi-phase operation / at AC / rated value":"440 V","operating voltage / at DC / rated value / maximum":"72 V","vibration resistance / according to IEC 60068-2-6":"±1mm at 5 to 25Hz; 50m/s² at 25 to 150Hz","with single-phase operation / at AC / rated value":"440 V","Mechanical Service Life (Switching Cycles) / Typical":"10 000"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$313.34","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/2c27743605e0e577b150a9470e82b1d5.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=288684&mlfb=5SY6263-6"},"ai":{"faq":[{"question":"What compliance documentation does this MCB carry?","answer":"It complies with IEC/EN 60898-1, IEC/EN 60947-2, and UL1077. The part is also halogen- and silicon-free."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SY6263-6","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/5SY6263-6 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}}