{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SY4210-7","brand":"Siemens","brandSlug":"siemens","productSlug":"5SY4210-7","canonicalUrl":"https://aoctrl.com/siemens/5SY4210-7","factsUrl":"https://aoctrl.com/api/mcp/products/5SY4210-7","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 5SY4210-7, 2-pole miniature circuit breaker, C characteristic, 10 kA (EN 60898-1) / 20 kA (IEC 60947-2), 400 V AC, 60 V DC, 2 MW units.","salesMarkdown":"The DC rating of 15 kA at 60 V (72 V max) extends its use into DC auxiliary circuits, control power supplies, and battery-backed loads — a single part number for mixed AC/DC panels. The quick-assembly fastening method and any-position mounting simplify panel layout — no orientation constraints when you're packing breakers into a tight gland plate. Rated under IEC / EN 60898-1 for domestic-style installation and IEC / EN 60947-2 for industrial application, plus UL 1077 recognition for North American supplementary protection. The pollution degree 3 rating and overvoltage category III mean it's designed for fixed installations inside a panel, not for handheld or outdoor use. ## Integration notes Combined terminal at both top and bottom accepts supply from any direction — no need to flip the breaker for top-feed vs bottom-feed panels. Neutral conductor is not switched (2-pole without switched neutral), so this breaker protects two phase conductors only; a separate neutral bar is required downstream. Ambient derating applies above 55 °C: max 95% humidity at 55 °C, dropping to 55% at 70 °C and 35% at 75 °C. If the breaker sits near a heat source (transformer, drive heatsink), factor that into the load calculation — the thermal-magnetic trip element responds to both current and ambient temperature.","metaTitle":"Siemens 5SY4210-7 SENTRON MCB, 2P C-Curve, 10kA/20kA","metaDescription":"Siemens 5SY4210-7 SENTRON miniature circuit breaker, 2-pole, C characteristic, 10 kA per EN 60898-1 / 20 kA per IEC 60947-2. Active production. Sourced to order against RFQ.","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","Height":"90 mm","Maximum":"75 °C","Minimum":"-40 °C","Sealable":"Yes","Standard":"IEC / EN 60898-1, IEC / EN 60947-2 / UL1077","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","at AC rated value":"400 V","at DC rated value":"60 V","Installation Depth":"70 mm","Product Brand Name":"SENTRON","Degree Of Pollution":"3","Product Designation":"Miniature circuit breaker","protection class IP":"IP20, with connected conductors","Overvoltage Category":"III","Combined Terminal Top":"Yes","Energy Limitation Class":"3","Combined Terminal Bottom":"Yes","Suitability For Operation":"Mechanical engineering / industry","Neutral Conductor Switching":"No","Number Of Modular Width Units":"2","Position Of Power Supply Cord":"Any","Tripping Characteristic Class":"C","according to EN 60898 rated value":"10 kA","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","at DC according to IEC 60947-2 rated value":"15 kA","Value Range Of The Supply Voltage Frequency":"50/60 Hz","operating voltage at DC rated value maximum":"72 V","with multi-phase operation at AC rated value":"440 V","with single-phase operation at AC rated value":"440 V","at AC according to UL 1077 and CSA C22.2 No.235":"5 kA","vibration resistance according to IEC 60068-2-6":"±1mm at 5 to 25Hz; 50m/s² at 25 to 150Hz","Mechanical Service Life (Operating Cycles) Typical":"10 000","Product Extension Installable Supplementary Devices":"Yes","supply voltage with single-phase operation at AC rated value":"230 V","power loss [W] for rated value of the current at AC in hot operating state per pole":"1.1 W"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$19.05","priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=393001&mlfb=5SY4210-7","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SY4210-7/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 5SY4210-7 and get a price?","answer":"Sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — submit an RFQ for a firm price and lead time."},{"question":"What are the key breaking capacity ratings for 5SY4210-7?","answer":"10 kA per EN 60898-1, 20 kA per IEC 60947-2 at 400 V AC, and 15 kA per IEC 60947-2 at 60 V DC. For UL 1077 applications the rating is 5 kA."},{"question":"What compliance documentation does Siemens provide for 5SY4210-7?","answer":"The breaker carries IEC / EN 60898-1, IEC / EN 60947-2, and UL 1077 certifications. Halogen-free and silicon-free construction is declared. RoHS and REACH compliance documentation is available from Siemens upon request."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SY4210-7","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/5SY4210-7 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}}