{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SY7663-7CC","brand":"Siemens","brandSlug":"siemens","productSlug":"5SY7663-7CC","canonicalUrl":"https://aoctrl.com/siemens/5SY7663-7CC","factsUrl":"https://aoctrl.com/api/mcp/products/5SY7663-7CC","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 5SY7663-7CC, miniature circuit breaker, 4-pole (3P+N), C characteristic, 63 A at 35 °C, 20 kA breaking capacity per IEC 60947-2, 4 MW units.","salesMarkdown":"## Integrator's spec note The Siemens 5SY7663-7CC is a SENTRON miniature circuit breaker (MCB) in a 4-pole 3P+N configuration, rated 63 A at 35 °C with a C tripping characteristic. ## Thermal derating and ambient limits The 63 A rating holds at 35 °C. At 40 °C the breaker must be derated to 59.54 A; at 45 °C to 57.71 A; at 50 °C to 55.82 A; at 55 °C to 53.86 A. Ambient operating range spans -40 °C to 75 °C, with humidity limits of 95% up to 55 °C, 55% up to 70 °C, and 35% at 75 °C.","metaTitle":"Siemens 5SY7663-7CC SENTRON MCB, 63 A, 4-Pole, C-Curve, 20 k","metaDescription":"Siemens 5SY7663-7CC SENTRON miniature circuit breaker, 63 A rated at 35 °C, 4-pole (3P+N), C characteristic, 20 kA breaking capacity per IEC 60947-2. Active production, sourced to","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Miniature Circuit Breakers (MCB)"],"specifications":{"Depth":"76 mm","Width":"72 mm","Height":"90 mm","Maximum":"75 °C","Minimum":"-40 °C","Sealable":"Yes","Halogen-Free":"Yes","Silicon-Free":"Yes","Design Of Pole":"3P+N","Number Of Poles":"4","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","according to EN 61346-2":"F","at 35 °C / rated value":"63 A","at 40 °C / rated value":"59.54 A","at 45 °C / rated value":"57.71 A","at 50 °C / rated value":"55.82 A","at 55 °C / rated value":"53.86 A","Combined Terminal Bottom":"Yes","according to IEC 81346-2":"F","Suitability For Operation":"Mechanical engineering / industry","Neutral Conductor Switching":"Yes","Number Of Modular Width Units":"4","Tripping Characteristic Class":"C","Position / Of Power Supply Cord":"Any","according to IEC 60947-2 / rated value":"20 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","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","Mechanical Service Life (Switching Cycles) / Typical":"10 000"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/c3e589e3c22f382792af5cfaf8b7b0ce.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=214229&mlfb=5SY7663-7CC","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SY7663-7CC/alternatives.json"},"ai":{"faq":[{"question":"What is the breaking capacity of 5SY7663-7CC?","answer":"The breaking capacity is 20 kA per IEC 60947-2, which covers most industrial distribution fault levels."},{"question":"What is the difference between 5SY7663-7CC and 5SY7210-7CC?","answer":"The 5SY7210-7CC is a lower-current variant (10 A) in the same SENTRON 5SY7 series, same 4-pole 3P+N C-curve form factor. The 5SY7663-7CC at 63 A is physically identical in width (72 mm) and mounting — it drops into the same DIN-rail footprint without rewiring, provided the branch circuit is rated for the higher current."},{"question":"Where can I buy 5SY7663-7CC?","answer":"The part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SY7663-7CC","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/5SY7663-7CC 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}}