{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SQ2560-0KA40","brand":"Siemens","brandSlug":"siemens","productSlug":"5SQ2560-0KA40","canonicalUrl":"https://aoctrl.com/siemens/5SQ2560-0KA40","factsUrl":"https://aoctrl.com/api/mcp/products/5SQ2560-0KA40","rawCanonicalId":null},"summary":{"shortDescription":"SENTRON, 5SQ series, miniature circuit breaker (MCB), 2-pole 1P+N, B-curve, 40 A, 3 kA breaking capacity, 240 V AC, 50 Hz, IP20, 55 mm installation depth.","salesMarkdown":"Rated 40 A at 240 V AC, 50 Hz, with a B-curve tripping characteristic that trips between 3 and 5 times rated current, making it suited for resistive and general-purpose loads where inrush is modest. The 55 mm installation depth and 2 width units (standard 18 mm per pole) let it drop into a standard DIN-rail enclosure without crowding adjacent devices.","metaTitle":"SENTRON 5SQ2560-0KA40 MCB, 2-pole 1P+N, B-curve 40 A, 3 kA","metaDescription":"SENTRON 5SQ2560-0KA40 miniature circuit breaker, 2-pole 1P+N, B-curve, 40 A, 3 kA breaking capacity per EN 60898 & IEC 60947-2. IP20, 55 mm depth. Current lifecycle. Available to o","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["1-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":"1P+N","circuit-breaker / Design":"5SQ","Current / at AC / rated value":"40 A","Tripping characteristic class":"B","acc. to EN 60898 / rated value":"3 kA","acc. to IEC 60947-2 / rated value":"3 kA","Supply voltage / at AC / rated value":"240 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=109239&mlfb=5SQ2560-0KA40","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SQ2560-0KA40/alternatives.json"},"ai":{"faq":[{"question":"What does the 1P+N pole configuration mean?","answer":"The breaker switches both the phase and neutral conductors, but only the phase pole is protected against overcurrent. The neutral pole is switched only — it opens and closes with the phase but has no trip element."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SQ2560-0KA40","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/5SQ2560-0KA40 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}}