{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SY6311-7","brand":"Siemens","brandSlug":"siemens","productSlug":"5SY6311-7","canonicalUrl":"https://aoctrl.com/siemens/5SY6311-7","factsUrl":"https://aoctrl.com/api/mcp/products/5SY6311-7","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 5SY6311-7, 3-pole miniature circuit breaker, C-curve, 5 A rated, 6 kA (EN 60898) / 30 kA (IEC 60947-2), IP20, 3 MW units, quick-assembly system.","salesMarkdown":"## Siemens 5SY6311-7 — 3-pole C-curve MCB at 5 A Any mounting position is allowed, and the combined top/bottom terminals accept wiring without reorienting the breaker. Touch protection is built in — no separate finger-safe covers needed for the line side. ## Thermal derating and environmental limits Rated 5 A at 35 °C; at 40 °C the continuous current drops to 4.76 A, at 50 °C to 4.51 A, and at 55 °C to 4.38 A. Ambient range is -40 °C to 75 °C; humidity limit is 95% up to 55 °C, tapering to 35% at 75 °C.","metaTitle":"Siemens 5SY6311-7 SENTRON MCB, 3P C 5A, 6kA/30kA","metaDescription":"Siemens 5SY6311-7 SENTRON miniature circuit breaker, 3-pole, C-curve, 5 A rated, 6 kA per EN 60898, 30 kA per IEC 60947-2. Active production, sourced 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","Design Of Pole":"3P","Number Of Poles":"3","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":"5 A","protection class IP":"IP20, with connected conductors","Overvoltage Category":"III","Combined Terminal Top":"Yes","acc. to DIN EN 61346-2":"F","Energy Limitation Class":"3","at 35 °C / rated value":"5 A","at 40 °C / rated value":"4.76 A","at 45 °C / rated value":"4.64 A","at 50 °C / rated value":"4.51 A","at 55 °C / rated value":"4.38 A","Combined Terminal Bottom":"Yes","Suitability For Operation":"Mechanical engineering / industry","Number Of Modular Width Units":"3","Tripping Characteristic Class":"C","acc. to EN 60898 / rated value":"6 kA","Position / Of Power Supply Cord":"Any","acc. to IEC 60947-2 / rated value":"30 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":"30 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":"https://cdn.aoctrl.com/d0146c5313cfb817a03e31feb91baa26.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=406123&mlfb=5SY6311-7","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SY6311-7/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 5SY6311-7 and how do I get a price?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution. Submit an RFQ for current availability and pricing."},{"question":"What are the key ratings of the 5SY6311-7?","answer":"3-pole, C-curve, 5 A rated at AC. Breaking capacity is 6 kA per EN 60898 and 30 kA per IEC 60947-2. It also carries a 30 kA DC breaking rating per IEC 60947-2."},{"question":"What compliance documentation is available for 5SY6311-7?","answer":"The breaker is IEC 60947-2 and EN 60898 rated, overvoltage category III, pollution degree 3, IP20 with connected conductors. It is halogen-free and silicon-free."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SY6311-7","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/5SY6311-7 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}}