{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SY6620-6","brand":"Siemens","brandSlug":"siemens","productSlug":"5SY6620-6","canonicalUrl":"https://aoctrl.com/siemens/5SY6620-6","factsUrl":"https://aoctrl.com/api/mcp/products/5SY6620-6","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 5SY6620-6, miniature circuit breaker, 4-pole (3P+N), B-curve, 20 A rated current, 400 V AC, breaking capacity 6 kA per EN 60898 / 15 kA per IEC 60947-2, 4 MW width, IP20.","salesMarkdown":"The Siemens SENTRON 5SY6620-6 is a 4-pole miniature circuit breaker wired 3P+N, rated 20 A at 400 V AC with a B-curve trip characteristic. On a panelboard feeding lighting, small heaters, or control transformers, this is the right curve. Breaking capacity tells you the fault it can safely interrupt. This MCB carries 6 kA under EN 60898 (the household / commercial standard) and 15 kA under IEC 60947-2 (the industrial standard). It also carries a 15 kA DC rating per IEC 60947-2, which covers DC distribution in control panels. The quick assembly system and combined terminal top and bottom make for straightforward wiring. Mounting position is any — upright, sideways, upside-down, the trip mechanism works the same. The neutral conductor is switched (3P+N), so you get full isolation on all poles. Sealable, halogen-free, silicon-free. Touch protection is built in. Vibration resistance per IEC 60068-2-6: ±1 mm at 5 to 25 Hz, 50 m/s² at 25 to 150 Hz. The MCB carries ratings per EN 60898 (6 kA) and IEC 60947-2 (15 kA AC and DC). It also has a UL 1077 and CSA C22.2 No.235 rating at 5 kA for the North American market. The product designation per IEC 81346-2 and DIN EN 61346-2 is F (protective device). Compliance documentation (RoHS, REACH, UL file, IEC test reports) is available from the manufacturer or through the sourcing channel. The part is marked as halogen-free and silicon-free, which helps with outgassing requirements in sealed enclosures.","metaTitle":"Siemens 5SY6620-6 SENTRON MCB, 20A 4P B-Curve, 6kA/15kA","metaDescription":"Siemens 5SY6620-6 SENTRON miniature circuit breaker, 20 A, 4-pole (3P+N), B-curve. Breaking capacity 6 kA (EN 60898) / 15 kA (IEC 60947-2). 400 V AC, IP20. Active production. Sourc","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["4-Pole MCB (DIN Rail)"],"specifications":{"Depth":"76 mm","Width":"72 mm","title":"5SY6620-6","Height":"90 mm","Maximum":"75 °C","Minimum":"-40 °C","Sealable":"Yes","description":"Miniature circuit breaker 400 V 6kA, 3+N-pole B, 20 A, D=70 mm","Halogen-Free":"Yes","Silicon-Free":"Yes","Number Of Poles":"4","Type Of Voltage":"AC","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":"400 V","protection class IP":"IP20, with connected conductors","Overvoltage Category":"III","Combined Terminal Top":"Yes","Number Of Poles / Note":"3P+N","acc. to DIN EN 61346-2":"F","Energy Limitation Class":"3","Combined Terminal Bottom":"Yes","Suitability For Operation":"Mechanical engineering / industry","Number Of Modular Width Units":"4","Tripping Characteristic Class":"B","acc. to EN 60898 / rated value":"6 kA","Position / Of Power Supply Cord":"Any","acc. to IEC 60947-2 / rated value":"15 kA","Product Feature / Touch Protection":"Yes","Supply Voltage Frequency / Rated Value":"50/60 Hz","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","operational current / at AC / rated value":"20 A","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 Function / Neutral Conductor Switching":"Yes","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/9fed0799843e170f29f29f86efebc757.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=416107&mlfb=5SY6620-6"},"ai":{"faq":[{"question":"What is 5SY6620-6's listed depth and width?","answer":"The overall depth is 76 mm, with an installation depth of 70 mm. The width is 72 mm, which corresponds to 4 modular width units on a DIN rail."},{"question":"Will 5SY6620-6 drop into a panel specified around 5SY6140-6CC?","answer":"Both are 4-pole SENTRON MCBs on the same DIN-rail footprint, so the mechanical fit is the same — 4 MW wide, same depth. The difference is the rating: 5SY6620-6 is 20 A B-curve, while 5SY6140-6CC is a different current/curve. Check the BOM rating before swapping; the panel cutout and wiring won't be the issue."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SY6620-6","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/5SY6620-6 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}}