{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1225-5FF42-0AF0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1225-5FF42-0AF0","canonicalUrl":"https://aoctrl.com/siemens/3VA1225-5FF42-0AF0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1225-5FF42-0AF0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 3VA1 IEC frame 250, breaking capacity class M, Icu=55kA @ 415V, 4-pole, line protection TM240, ATAM, In=250A, overload protection Ir=175A...250A, short-circuit protection Ii=5...10 x In, N conductor protection 50%, nut keeper kit, 1 auxiliary switch HQ, 1 trip alarm switch HQ.","salesMarkdown":"The Siemens 3VA1225-5FF42-0AF0 is a 4-pole IEC molded-case circuit breaker on the 250 A frame, rated Icu = 55 kA at 415 V AC — breaking capacity class M. The thermal-magnetic trip unit (TM240) gives you adjustable overload protection from 175 A to 250 A (Ir) and a short-circuit pickup (Ii) that's fixed at 5 to 10 times the rated current In = 250 A. That's a wide magnetic adjustment band — you can coordinate downstream breakers without nuisance tripping on motor inrush. ## Deployment context The auxiliary switch (HQ) and trip alarm switch (HQ) give you remote status feedback: one signals the breaker position, the other flags a trip event.","metaTitle":"Siemens 3VA1225-5FF42-0AF0 Circuit Breaker, 55kA @ 415V, 250","metaDescription":"Siemens 3VA1225-5FF42-0AF0 IEC frame 250, breaking capacity class M, Icu=55kA @ 415V, 4-pole, TM240, In=250A. Current production. Available to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"lifecycle_stage":"current"}},"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=568714&mlfb=3VA1225-5FF42-0AF0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1225-5FF42-0AF0/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 3VA1225-5FF42-0AF0 and get a price?","answer":"This part is sourced and quoted to order through independent distribution. Submit an RFQ; availability and current pricing are confirmed at quote time."},{"question":"What is the breaking capacity of this breaker?","answer":"Icu = 55 kA at 415 V AC, breaking capacity class M — suitable for high-fault-current main or feeder applications."},{"question":"What are the adjustable protection settings?","answer":"Overload protection Ir is adjustable from 175 A to 250 A; short-circuit protection Ii is fixed at 5 to 10 times In (250 A)."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1225-5FF42-0AF0","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/3VA1225-5FF42-0AF0 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}}