{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SY8163-7","brand":"Siemens","brandSlug":"siemens","productSlug":"5SY8163-7","canonicalUrl":"https://aoctrl.com/siemens/5SY8163-7","factsUrl":"https://aoctrl.com/api/mcp/products/5SY8163-7","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 5SY8163-7 miniature circuit breaker, 1-pole, C characteristic, 63 A rated current, 25 kA breaking capacity per IEC 60947-2, 18 mm width.","salesMarkdown":"Same part, different passport: this is the current-production version, not an NRND or EOL line. The 76 mm depth leaves clearance for wiring in shallow enclosures. ## Breaking capacity and coordination reality For UL and CSA applications, the same part carries 5 kA — a different standard, not a downgrade. Thermal derating is published: full 63 A up to 45 °C, then 61.05 A at 50 °C, 59.03 A at 55 °C. Ambient conditions up to 75 °C are allowed with the appropriate humidity derating per the spec table. For a panel running warm near a drive or transformer, check the 50 °C column before assuming full rating. The 5SY8163-7 carries IEC 60947-2, UL 1077, and CSA C22.2 No. 235 approvals. It is halogen-free and silicon-free — relevant for clean-room or high-reliability environments where outgassing matters. The sealable design and touch protection features support panel-lockout procedures during maintenance.","metaTitle":"Siemens 5SY8163-7 SENTRON MCB, 63A C-Curve 1P 25kA","metaDescription":"Siemens 5SY8163-7 SENTRON miniature circuit breaker, 63 A rated, C characteristic, 1-pole, 25 kA breaking capacity per IEC 60947-2. Current lifecycle stage. Quoted to order against","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["1-Pole MCB (DIN Rail)"],"specifications":{"Depth":"76 mm","Width":"18 mm","Height":"90 mm","Maximum":"75 °C","Minimum":"-40 °C","Sealable":"Yes","Halogen-Free":"Yes","Silicon-Free":"Yes","Design Of Pole":"1P","Number Of Poles":"1","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","acc. to IEC 81346-2":"F","at AC / rated value":"63 A","protection class IP":"IP20, with connected conductors","Overvoltage Category":"III","Combined Terminal Top":"Yes","acc. to DIN EN 61346-2":"F","at 45 °C / rated value":"63 A","at 50 °C / rated value":"61.05 A","at 55 °C / rated value":"59.03 A","Combined Terminal Bottom":"Yes","Suitability For Operation":"Mechanical engineering / industry","Number Of Modular Width Units":"1","Tripping Characteristic Class":"C","Position / Of Power Supply Cord":"Any","acc. to IEC 60947-2 / rated value":"25 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","Type Of Voltage / Of The Operating Voltage":"AC","at AC / acc. to UL 1077 and CSA C22.2 No.235":"5 kA","vibration resistance / acc. to IEC 60068-2-6":"±1mm at 5 to 25Hz; 50m/s² at 25 to 150Hz","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","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=525907&mlfb=5SY8163-7","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SY8163-7/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SY8163-7","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/5SY8163-7 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}}