{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SY4420-7CC","brand":"Siemens","brandSlug":"siemens","productSlug":"5SY4420-7CC","canonicalUrl":"https://aoctrl.com/siemens/5SY4420-7CC","factsUrl":"https://aoctrl.com/api/mcp/products/5SY4420-7CC","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 5SY4420-7CC, 4-pole miniature circuit breaker, C-curve 20 A, 10 kA breaking capacity per EN 60898, 4 MW units, IP20.","salesMarkdown":"At 20 A and 440 VAC, it covers most small motor circuits, lighting banks, and control transformers in a 400 V panel. Four poles mean it switches all three phases plus a switched neutral — but neutral conductor switching is No, so the fourth pole is a protected pole, not a switched neutral. Temperature derating is built in: at 40 °C ambient it's still good for 18.8 A, dropping to 17.52 A at 50 °C and 16.84 A at 55 °C. The breaker itself is rated for ambient up to 75 °C and as low as -40 °C, so it'll sit in a cold warehouse or a hot pump house without issue. Mounting is tool-less onto a DIN rail (quick assembly system, any position). It takes 4 modular width units (72 mm wide) and the depth is 76 mm with a 70 mm installation depth — standard for the SENTRON 5SY series, so it'll drop into any existing panel that already holds a 5SY breaker. Siemens lists the suitability for operation as mechanical engineering and industry. That is the typical home for a 4-pole C-curve MCB: machine control panels, conveyor systems, pump stations, and industrial distribution boards.","metaTitle":"Siemens 5SY4420-7CC SENTRON MCB, 4P C 20 A, 10 kA","metaDescription":"Siemens 5SY4420-7CC SENTRON miniature circuit breaker, 4-pole, C-curve, 20 A, 10 kA breaking capacity per EN 60898. Sourced to order. Request a quote.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["4-Pole MCB (DIN Rail)"],"specifications":{"Depth":"76 mm","Width":"72 mm","title":"5SY4420-7CC","Height":"90 mm","Maximum":"75 °C","Minimum":"-40 °C","Sealable":"Yes","description":"Miniature circuit breaker 400 V 10kA, 4-pole, C, 20A","Halogen-Free":"Yes","Silicon-Free":"Yes","Design Of Pole":"4P","Number Of Poles":"4","lifecycle_stage":"current","Fastening Method":"Quick assembly system","Mounting Position":"any","at AC rated value":"20 A","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","at 35 °C rated value":"20 A","at 40 °C rated value":"18.8 A","at 45 °C rated value":"18.18 A","at 50 °C rated value":"17.52 A","at 55 °C rated value":"16.84 A","Energy Limitation Class":"3","Combined Terminal Bottom":"Yes","Suitability For Operation":"Mechanical engineering / industry","Neutral Conductor Switching":"No","Number Of Modular Width Units":"4","Position Of Power Supply Cord":"Any","Tripping Characteristic Class":"C","according to EN 60898 rated value":"10 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","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","power loss [W] for rated value of the current at AC in hot operating state per pole":"1.7 W"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/cd2e3797513d3f3d78ec5f24809c69e5.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=111659&mlfb=5SY4420-7CC"},"ai":{"faq":[{"question":"Will 5SY4420-7CC fit in a panel that was designed for 5SY4116-6CC?","answer":"Yes, both are 4-module-width SENTRON breakers with the same 72 mm width and 76 mm depth, so it drops into the same DIN-rail footprint without rewiring."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SY4420-7CC","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/5SY4420-7CC 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}}