{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SQ2270-0KA25","brand":"Siemens","brandSlug":"siemens","productSlug":"5SQ2270-0KA25","canonicalUrl":"https://aoctrl.com/siemens/5SQ2270-0KA25","factsUrl":"https://aoctrl.com/api/mcp/products/5SQ2270-0KA25","rawCanonicalId":null},"summary":{"shortDescription":"SENTRON 5SQ2270-0KA25, 2-pole miniature circuit breaker, C-curve, 25 A, 3 kA breaking capacity, 400 V AC, IP20.","salesMarkdown":"## What this 25 A C-curve 2-pole MCB does on the rail The SENTRON 5SQ2270-0KA25 is a 2-pole miniature circuit breaker rated 25 A with a C tripping characteristic, switching both phase and neutral (neutral conductor switching is built in). It breaks fault currents up to 3 kA under both EN 60898 and IEC 60947-2 — the same 3 kA figure applies to either standard, so you don't need to track two ratings. At 400 V AC, 50 Hz, this is a straight 25 A branch-circuit protector for a 2-pole load. Two width units (about 36 mm on a standard DIN rail), 55 mm installation depth. Overvoltage category 3 and energy limiting class 3 mean it's designed for fixed-installation distribution boards, not portable equipment. The 2-pole form factor with switched neutral matches European-style single-phase sub-circuits where you want to isolate both conductors.","metaTitle":"SENTRON 5SQ2270-0KA25 2-Pole C-Curve MCB, 25 A, 3 kA","metaDescription":"SENTRON 5SQ2270-0KA25 2-pole miniature circuit breaker, C-curve, 25 A rated current, 3 kA breaking capacity per EN 60898/IEC 60947-2, 400 V AC, IP20. Available to order against RFQ","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["2-Pole MCB (DIN Rail)"],"specifications":{"Number of poles":"2","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":"2","Number of poles / Note":"2P","circuit-breaker / Design":"5SQ","Current / at AC / rated value":"25 A","Tripping characteristic class":"C","acc. to EN 60898 / rated value":"3 kA","acc. to IEC 60947-2 / rated value":"3 kA","Supply voltage / at AC / rated value":"400 V","Supply voltage frequency / rated value":"50 Hz","Product function / neutral conductor switching":"Yes"}},"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=404665&mlfb=5SQ2270-0KA25","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SQ2270-0KA25/alternatives.json"},"ai":{"faq":[{"question":"What is the number of poles on 5SQ2270-0KA25?","answer":"It is a 2-pole (2P) miniature circuit breaker with neutral conductor switching."},{"question":"What type of voltage does 5SQ2270-0KA25 accept?","answer":"It accepts both AC and DC voltage, rated 400 V AC at 50 Hz."},{"question":"Will 5SQ2270-0KA25 drop into a panel specified around 5SQ2270-2YA04?","answer":"Yes — both are 2-pole SENTRON 5SQ breakers with identical 55 mm depth, 2 width units, IP20, and C-curve. The only difference is the amp rating: 25 A on this part versus 4 A on 5SQ2270-2YA04. Same mechanical footprint, same breaking capacity, same rail clip. No rewiring needed if the circuit is sized for 25 A."},{"question":"Where can I buy 5SQ2270-0KA25 and get a price?","answer":"This part is 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."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SQ2270-0KA25","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/5SQ2270-0KA25 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}}