{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"XT4LU3125AFF00NXXX","brand":"ABB","brandSlug":"abb","productSlug":"XT4LU3125AFF00NXXX","canonicalUrl":"https://aoctrl.com/abb/XT4LU3125AFF00NXXX","factsUrl":"https://aoctrl.com/api/mcp/products/XT4LU3125AFF00NXXX","rawCanonicalId":null},"summary":{"shortDescription":"ABB XT4L series, XT4LU3125AFF00NXXX, 250 A frame, TMF 125-1250 trip unit, 3-pole, fixed, fixed, UL/CSA.","salesMarkdown":"The ABB XT4LU3125AFF00NXXX is a 3-pole molded case circuit breaker from the XT4L series, fitted with a TMF 125-1250 thermal-magnetic fixed trip unit on a 250 A frame. The description confirms UL/CSA listing, so it is wired for North American panel builds where the breaker serves as the main disconnect or feeder protection in a distribution board.","metaTitle":"ABB XT4LU3125AFF00NXXX XT4L 250 TMF 125-1250 3P F F UL/CSA,","metaDescription":"ABB XT4LU3125AFF00NXXX XT4L 250 TMF 125-1250 3P F F UL/CSA. Lifecycle stage: 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/XT4LU3125AFF00NXXX/alternatives.json"},"ai":{"faq":[{"question":"What is the description for XT4LU3125AFF00NXXX?","answer":"The description is XT4L 250 TMF 125-1250 3P F F UL/CSA, indicating a 250 A frame, TMF 125-1250 A trip unit, 3-pole, fixed front terminals, fixed rear terminals, and UL/CSA certification."},{"question":"Where can I buy XT4LU3125AFF00NXXX?","answer":"This part is sourced to order against an RFQ through independent distribution. Submit a request for current pricing and availability."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/abb/XT4LU3125AFF00NXXX","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/XT4LU3125AFF00NXXX 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}}