{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SY7220-8","brand":"Siemens","brandSlug":"siemens","productSlug":"5SY7220-8","canonicalUrl":"https://aoctrl.com/siemens/5SY7220-8","factsUrl":"https://aoctrl.com/api/mcp/products/5SY7220-8","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 5SY7220-8 miniature circuit breaker, 2-pole, D tripping characteristic, 20 A rated current, 15 kA / 25 kA breaking capacity.","salesMarkdown":"The Siemens 5SY7220-8 is a SENTRON miniature circuit breaker — 2-pole, D-curve, 20 A rated at 35 °C, breaking 15 kA per EN 60898-1 and 25 kA per IEC 60947-2. The 25 kA IEC rating gives headroom on industrial panels with high fault-current availability; the 15 kA EN rating covers residential or light-commercial distribution boards. ## Mounting & panel fit Installation depth 70 mm. The combined top/bottom terminals accept the same conductor range — no need to flip the breaker for feed direction. Sealable cover is standard, so it can be locked or tagged in safety-disconnect positions. ## Thermal derating & environment Rated 20 A at 35 °C; derates to 18.78 A at 40 °C, 18.14 A at 45 °C, 17.48 A at 50 °C, 16.8 A at 55 °C, and 16.08 A at 60 °C. Humidity tolerance: 95% up to 55 °C, then derated to 55% at 70 °C and 35% at 75 °C. ## Compliance & lifecycle Current-production part (lifecycle stage: current). Complies with IEC/EN 60898-1 and IEC/EN 60947-2 / UL1077. No neutral conductor switching (2-pole, both poles protected). Suitability marked for mechanical engineering and general industry. IP20 with connected conductors. The product designation follows EN 61346-2 and IEC 81346-2 function code F.","metaTitle":"Siemens 5SY7220-8 SENTRON MCB, 2P D 20A 15kA","metaDescription":"Siemens 5SY7220-8 SENTRON miniature circuit breaker, 2-pole, D-curve, 20 A, 15 kA (EN 60898) / 25 kA (IEC 60947-2). Current 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","title":"5SY7220-8","Height":"90 mm","Maximum":"75 °C","Minimum":"-40 °C","Sealable":"Yes","Standard":"IEC / EN 60898-1, IEC / EN 60947-2 / UL1077","description":"Miniature circuit breaker 400 V 15kA, 2-pole, D, 20 A, D=70 mm","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","at AC / rated value":"20 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":"20 A","at 40 °C / rated value":"18.78 A","at 45 °C / rated value":"18.14 A","at 50 °C / rated value":"17.48 A","at 55 °C / rated value":"16.8 A","at 60 °C / rated value":"16.08 A","Combined Terminal Bottom":"Yes","according to IEC 81346-2":"F","Suitability For Operation":"Mechanical engineering / industry","Neutral Conductor Switching":"No","Number Of Modular Width Units":"2","Tripping Characteristic Class":"D","Position / Of Power Supply Cord":"Any","according to EN 60898 / rated value":"15 kA","according to IEC 60947-2 / rated value":"25 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","at DC / according to IEC 60947-2 / rated value":"15 kA","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","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/d795094ba81fd24cb91a3d1016396176.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=207053&mlfb=5SY7220-8"},"ai":{"faq":[{"question":"What is 5SY7220-8 used for?","answer":"It is a miniature circuit breaker for overcurrent and short-circuit protection in distribution boards and industrial control panels, especially where D-curve tripping is needed for motor or transformer inrush."},{"question":"Where can I buy 5SY7220-8?","answer":"Sourced and quoted to order against an RFQ through independent distribution; availability and current pricing confirmed at quote time."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SY7220-8","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/5SY7220-8 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}}