{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"XT4NU3200BFF000XXX","brand":"ABB","brandSlug":"abb","productSlug":"XT4NU3200BFF000XXX","canonicalUrl":"https://aoctrl.com/abb/XT4NU3200BFF000XXX","factsUrl":"https://aoctrl.com/api/mcp/products/XT4NU3200BFF000XXX","rawCanonicalId":null},"summary":{"shortDescription":"ABB XT4NU3200BFF000XXX XT4N 250TMA2 molded case circuit breaker, lifecycle_stage current.","salesMarkdown":"## What this part is and where it fits The ABB XT4NU3200BFF000XXX is a molded case circuit breaker (MCCB) from the XT4N series, fitted with a 250 A TMA (Thermal-Magnetic Adjustable) trip unit. It is designed for distribution and motor protection in industrial panels, typically mounted on a DIN rail or bolted into a switchboard enclosure. The TMA trip combines a thermal element for overloads and a magnetic element for short circuits, with the magnetic pickup adjustable to coordinate with downstream loads. ## What the 250 A TMA trip means for your panel The 250 A rating on the TMA trip unit sets the continuous current the breaker can carry without tripping. The thermal element handles overloads on a time-current curve, while the magnetic element's adjustable pickup lets you set the instantaneous trip threshold — typically between 5× and 10× In for motor starting inrush or to achieve selectivity with downstream breakers. For a 250 A frame, this breaker suits main feeders, large motor circuits, or transformer secondary protection where you need coordination flexibility.","metaTitle":"ABB XT4NU3200BFF000XXX XT4N 250TMA2, current lifecycle_stage","metaDescription":"ABB XT4NU3200BFF000XXX XT4N 250TMA2 molded case circuit breaker. lifecycle_stage current. Sourced to order against an RFQ through independent distribution.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"title":"XT4NU3200BFF000XXX","description":"ABB XT4NU3200BFF000XXX XT4N 250TMA2|ABB XT4NU3200BFF000XXX XT4N 2","lifecycle_stage":"current"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/3b72569eefe3eee7bf48341bd087f2ed.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Where can I buy XT4NU3200BFF000XXX and how is it quoted?","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."},{"question":"What is the closest pin-compatible alternative to XT4NU3200BFF000XXX in this component family?","answer":"Within the XT4N family, the closest alternative would be another variant with the same frame size and a different trip rating or accessory configuration. The ABB XT4N series uses a common mounting footprint and busbar system, so swapping between 160 A, 250 A, or 320 A TMA trip units on the same frame is straightforward. For a direct pin-compatible replacement with identical dimensions and terminal layout, stay within the XT4N 250 A frame family."},{"question":"What is XT4NU3200BFF000XXX's listed lifecycle_stage?","answer":"The lifecycle_stage is listed as current."},{"question":"What is XT4NU3200BFF000XXX's listed description?","answer":"The listed description is: ABB XT4NU3200BFF000XXX XT4N 250TMA2."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/abb/XT4NU3200BFF000XXX","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/XT4NU3200BFF000XXX when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:51:03.652Z","lastPublished":"2026-08-11T15:51:03.652Z","indexable":true}}