{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SQ2260-0KA16","brand":"Siemens","brandSlug":"siemens","productSlug":"5SQ2260-0KA16","canonicalUrl":"https://aoctrl.com/siemens/5SQ2260-0KA16","factsUrl":"https://aoctrl.com/api/mcp/products/5SQ2260-0KA16","rawCanonicalId":null},"summary":{"shortDescription":"SENTRON 5SQ2260-0KA16, miniature circuit breaker, 2-pole, B-curve, 16 A, 3 kA breaking capacity, 400 V AC, IP20.","salesMarkdown":"## What this 2-pole B-curve MCB is for The SENTRON 5SQ2260-0KA16 is a 2-pole miniature circuit breaker with a B tripping characteristic, rated 16 A and breaking 3 kA under both EN 60898 and IEC 60947-2 at 400 V AC. With two poles and the neutral conductor switched, it's suited for single-phase or split-phase final subcircuits where you need both line and neutral isolation in a single module. It occupies 2 width units on the DIN rail and sits at a 55 mm installation depth, so it fits standard consumer units and distribution boards without crowding. If your fault level upstream is higher — say closer to a transformer — you'll need to step up to a higher-breaking MCB or a downstream limiting device. Energy limiting class 3 means it restricts let-through energy well, which helps with downstream cable protection and reduces arc-flash incident energy on the load side.","metaTitle":"SENTRON 5SQ2260-0KA16 2-Pole B-Curve MCB, 16 A, 3 kA","metaDescription":"SENTRON 5SQ2260-0KA16 miniature circuit breaker, 2-pole, B-curve, 16 A rated, 3 kA breaking capacity per EN 60898 and IEC 60947-2. Current lifecycle status. Quoted to order.","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":"16 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":"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=524771&mlfb=5SQ2260-0KA16","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SQ2260-0KA16/alternatives.json"},"ai":{"faq":[{"question":"What are the key ratings of the 5SQ2260-0KA16?","answer":"2-pole, B-curve, 16 A rated current, 3 kA breaking capacity per EN 60898 and IEC 60947-2 at 400 V AC, 50 Hz, switching the neutral conductor."},{"question":"Where can I buy the 5SQ2260-0KA16?","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 commitment."},{"question":"Can the 5SQ2260-0KA16 replace a 3VA1110-5ED36-0AC0?","answer":"No — the 3VA1110-5ED36-0AC0 is a 3-pole molded-case circuit breaker rated 100 A with up to 187 kA breaking capacity, a completely different frame size and duty class. The 5SQ2260-0KA16 is a 2-pole 16 A miniature breaker; it cannot drop into a panel designed for the 3VA series without a full redesign of the distribution board."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SQ2260-0KA16","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/5SQ2260-0KA16 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}}