{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"XT1NU2015AYD000XXX","brand":"ABB","brandSlug":"abb","productSlug":"XT1NU2015AYD000XXX","canonicalUrl":"https://aoctrl.com/abb/XT1NU2015AYD000XXX","factsUrl":"https://aoctrl.com/api/mcp/products/XT1NU2015AYD000XXX","rawCanonicalId":null},"summary":{"shortDescription":"ABB XT1N series molded case circuit breaker, order code XT1NU2015AYD000XXX, 125 A frame, TMF 15-500 thermal-magnetic fixed trip, 3-pole, line/load terminals, UL/CSA certified.","salesMarkdown":"The XT1NU2015AYD000XXX: The 125 A frame is the mechanical platform — it dictates the physical size, the lug capacity, and the interrupting rating envelope. The TMF 15-500 trip unit is the brains: thermal element handles overloads (slow response, inverse-time curve), magnetic element handles short circuits (instantaneous pickup at 500 A ±20%). For a sourcing decision, the key question is whether 500 A instantaneous pickup coordinates with your downstream devices — if you've got a branch breaker that clears faults at 400 A, this breaker will hold through it. No adjustment range on the trip unit means no tuning on site; you pick the fixed curve that matches your load and live with it. This is a molded case breaker — it's not a DIN-rail miniature. It bolts into a panel on a mounting plate or onto a busbar system. The 3-pole format with line and load terminals (F F designation) means it's a standard feed-through configuration: power comes in on the top lugs, goes out the bottom. No plug-in base, no draw-out cradle — fixed mounted. That's fine for most distribution panels; just make sure your busbar drilling pattern matches the ABB XT1N footprint before you drill the backplate.","metaTitle":"ABB XT1NU2015AYD000XXX XT1N 125A TMF 15-500 3P F F UL/CSA","metaDescription":"ABB XT1NU2015AYD000XXX molded case circuit breaker, XT1N 125A frame, TMF 15-500 trip unit, 3-pole. 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/XT1NU2015AYD000XXX/alternatives.json"},"ai":{"faq":[{"question":"What does the description XT1N 125 TMF 15-500 3P F F UL/CSA mean?","answer":"It decodes as: XT1N frame (125 A maximum), TMF 15-500 thermal-magnetic fixed trip unit (15 A thermal rating, 500 A magnetic pickup), 3-pole, fixed thermal and fixed magnetic settings (F F), UL and CSA certified."},{"question":"Where can I buy XT1NU2015AYD000XXX?","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 price and lead time."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/abb/XT1NU2015AYD000XXX","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/XT1NU2015AYD000XXX 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}}