{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"XT4NU2025AFF000XXX","brand":"ABB","brandSlug":"abb","productSlug":"XT4NU2025AFF000XXX","canonicalUrl":"https://aoctrl.com/abb/XT4NU2025AFF000XXX","factsUrl":"https://aoctrl.com/api/mcp/products/XT4NU2025AFF000XXX","rawCanonicalId":null},"summary":{"shortDescription":"ABB, XT4N series, molded case circuit breaker, XT4NU2025AFF000XXX, 250 A frame, TMF trip unit, lifecycle stage current.","salesMarkdown":"With a lifecycle stage of current, the XT4NU2025AFF000XXX is not subject to a last-time-buy or phase-out notice. ## Integration context The XT4N series mounts in standard panelboard or enclosure cutouts, with the TMF trip unit providing fixed thermal-magnetic protection for the 250 A frame. For panel builders, this means the breaker coordinates with downstream branch circuits where a fixed trip curve is specified and no field-adjustable thermal settings are required.","metaTitle":"ABB XT4NU2025AFF000XXX XT4N 250 TMF, current lifecycle","metaDescription":"ABB XT4NU2025AFF000XXX XT4N 250 TMF molded case circuit breaker. Lifecycle stage is current. Sourced to order against an RFQ.","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":null,"alternativesUrl":"https://aoctrl.com/api/mcp/products/XT4NU2025AFF000XXX/alternatives.json"},"ai":{"faq":[{"question":"What is XT4NU2025AFF000XXX's listed lifecycle_stage?","answer":"The lifecycle stage is current."},{"question":"Where can I buy XT4NU2025AFF000XXX?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution; availability and current pricing are confirmed at quote time."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/abb/XT4NU2025AFF000XXX","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/abb/XT4NU2025AFF000XXX 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}}