{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SY4206-6CC","brand":"Siemens","brandSlug":"siemens","productSlug":"5SY4206-6CC","canonicalUrl":"https://aoctrl.com/siemens/5SY4206-6CC","factsUrl":"https://aoctrl.com/api/mcp/products/5SY4206-6CC","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON, miniature circuit breaker, 5SY4206-6CC, 2-pole, B-curve, 6 A rated, 10 kA breaking capacity per IEC 60898, 5 kA per UL 1077.","salesMarkdown":"Under UL 1077 and CSA C22.2 No. 235 it carries a 5 kA interrupting rating, so for a panel built to North American code the available fault current at the breaker must not exceed 5 kA. ## Thermal derating — the number that matters for real loads The 6 A rating holds at 35 °C. Above that the breaker derates: 5.51 A at 40 °C, 5.25 A at 45 °C, 4.97 A at 50 °C, 4.69 A at 55 °C. If the panel ambient runs 50 °C, size the circuit for 5 A continuous, not 6 A.","metaTitle":"5SY4206-6CC SENTRON MCB, B-Curve 6A 2-Pole 10kA","metaDescription":"Siemens 5SY4206-6CC SENTRON miniature circuit breaker, 2-pole, B-curve, 6 A, 10 kA IEC breaking capacity. Current production. Sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["2-Pole MCB (DIN Rail)"],"specifications":{"Depth":"76 mm","Width":"36 mm","title":"5SY4206-6CC","Height":"90 mm","Maximum":"75 °C","Minimum":"-40 °C","Sealable":"Yes","description":"Miniature circuit breaker 400 V 10kA, 2-pole, B, 6A","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","acc. to IEC 81346-2":"F","at AC / rated value":"6 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":"6 A","at 40 °C / rated value":"5.51 A","at 45 °C / rated value":"5.25 A","at 50 °C / rated value":"4.97 A","at 55 °C / rated value":"4.69 A","Combined Terminal Bottom":"Yes","Suitability For Operation":"Mechanical engineering / industry","Number Of Modular Width Units":"2","Tripping Characteristic Class":"B","acc. to EN 60898 / rated value":"10 kA","Position / Of Power Supply Cord":"Any","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","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,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/10e7b0d4513eb458f54e2df940072aef.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=514461&mlfb=5SY4206-6CC"},"ai":{"faq":[{"question":"What is the breaking capacity of 5SY4206-6CC under IEC and UL?","answer":"10 kA per EN 60898 and 5 kA per UL 1077 / CSA C22.2 No. 235."},{"question":"Will 5SY4206-6CC drop into a panel that was specified around 5SY7210-7CC without rewiring?","answer":"Both are 2-pole SENTRON MCBs on the same DIN-rail footprint and modular width, so mechanical fit is identical. The difference is the tripping curve — 5SY4206-6CC is B-curve (3-5x In), while 5SY7210-7CC is a different characteristic. Verify the curve matches the load type before substitution."},{"question":"Where can I buy 5SY4206-6CC and how is it quoted?","answer":"Sourced to order against an RFQ through independent distribution. Availability and current pricing confirmed at quote time — no stock count or price published here."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SY4206-6CC","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/5SY4206-6CC 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}}