{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SQ2170-2YA20","brand":"Siemens","brandSlug":"siemens","productSlug":"5SQ2170-2YA20","canonicalUrl":"https://aoctrl.com/siemens/5SQ2170-2YA20","factsUrl":"https://aoctrl.com/api/mcp/products/5SQ2170-2YA20","rawCanonicalId":null},"summary":{"shortDescription":"SENTRON 5SQ miniature circuit breaker, 1-pole, C 20 A, 3 kA per EN 60898, 240 V AC/DC, IP20, 55 mm depth, 1 width unit.","salesMarkdown":"The SENTRON 5SQ2170-2YA20 is a 1-pole miniature circuit breaker (MCB) with a C-curve tripping characteristic rated 20 A at 240 V AC, per EN 60898. The 3 kA breaking capacity (per EN 60898) is the maximum prospective fault current it can safely interrupt at rated voltage; for a 240 V single-phase branch circuit this is adequate for most residential and light commercial panels, but verify the available fault current at the installation point — if it exceeds 3 kA, this breaker is not the correct fit.","metaTitle":"SENTRON 5SQ2170-2YA20 Miniature Circuit Breaker, 1P, C 20 A,","metaDescription":"SENTRON 5SQ2170-2YA20 miniature circuit breaker, 1-pole, C-curve 20 A, 3 kA per EN 60898, 240 V AC/DC. IP20, 55 mm depth. Active lifecycle. Quoted to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["1-Pole MCB (DIN Rail)"],"specifications":{"Number of poles":"1","Type of voltage":"AC/DC","lifecycle_stage":"current","Installation depth":"55 mm","Product brand name":"SENTRON","Protection class IP":"IP20","Overvoltage category":"3","Energy limiting class":"3","Number of width units":"1","Number of poles / Note":"1P","circuit-breaker / Design":"5SQ","Current / at AC / rated value":"20 A","Tripping characteristic class":"C","acc. to EN 60898 / rated value":"3 kA","Supply voltage / at AC / rated value":"240 V","Supply voltage frequency / rated value":"50 Hz","Product function / neutral conductor switching":"No"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=441574&mlfb=5SQ2170-2YA20","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SQ2170-2YA20/alternatives.json"},"ai":{"faq":[{"question":"What is the number of poles on 5SQ2170-2YA20?","answer":"It is a 1-pole (1P) miniature circuit breaker, switching only the line conductor — neutral is not switched."},{"question":"Will 5SQ2170-2YA20 drop into a panel specified around 5SQ2370-2YA04?","answer":"No — the 5SQ2370-2YA04 is a 3-pole breaker occupying 3 width units and switching three phases. The 5SQ2170-2YA20 is a 1-pole unit for single-phase branch circuits. Rewiring and a different DIN-rail allocation are required."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SQ2170-2YA20","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/5SQ2170-2YA20 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}}