{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"XT1NU3090AAA000XXX","brand":"ABB","brandSlug":"abb","productSlug":"XT1NU3090AAA000XXX","canonicalUrl":"https://aoctrl.com/abb/XT1NU3090AAA000XXX","factsUrl":"https://aoctrl.com/api/mcp/products/XT1NU3090AAA000XXX","rawCanonicalId":null},"summary":{"shortDescription":"ABB Tmax XT1N, Molded Case Circuit Breaker, 90 A, 3-Pole, 600 VAC, Thermal-Magnetic Fixed Trip, Front Flat Terminals.","salesMarkdown":"## 90 A thermal-magnetic trip on the XT1N frame The ABB XT1NU3090AAA000XXX is a 3-pole molded case circuit breaker from the Tmax XT1N family, rated 90 A continuous at 600 VAC. The thermal-magnetic fixed trip protects against overload and short-circuit conditions without needing interchangeable trip units — set at the factory, no field adjustment. Frame size XT1N accepts up to 125 A maximum, so this 90 A unit leaves headroom for coordination studies if the load grows within the same frame. ## Fixed front flat terminals — panel integration Termination is fixed front flat terminals, which means the breaker arrives with its line and load connections integrated into the housing — no separate lug kit to order. This simplifies panel layout for the wireman: the breaker mounts directly onto the DIN rail or panel-mount adapter, and the flat terminal face accepts standard ring or fork terminals. The 3-pole fixed configuration keeps the phase sequence locked; no pole rearrangement possible in the field.","metaTitle":"ABB XT1NU3090AAA000XXX Tmax Breaker, 90A 3P 600VAC","metaDescription":"ABB Tmax XT1N molded case breaker, 90 A, 3-pole, 600 VAC. Thermal-magnetic fixed trip. Current lifecycle stage. Available to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"Amps":"90","Poles":"3","title":"XT1NU3090AAA000XXX","description":"Breaker Frame, 125A, Molded Case, Breaker, 90A, 3P, 600VAC|Tmax Breaker Frame Size XT1N 125 Thermal Magnetic Fixed 90-500, 3-Pole Fixed+ Front Flat Terminals","lifecycle_stage":"current"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/588949ba30b3c8750a94bf7ccd4598d3.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the amp rating and pole count for XT1NU3090AAA000XXX?","answer":"It is rated 90 A continuous and has 3 poles, fixed configuration, on the XT1N frame rated up to 125 A maximum."},{"question":"Will XT1NU3090AAA000XXX drop into a panel wired for XT1NU3090AFF000XXX?","answer":"Both breakers share the same XT1N frame, 90 A rating, and 3-pole fixed configuration, so the mounting footprint and DIN-rail adapter are identical. The terminal style differs — this unit has front flat terminals versus the peer's extended front terminals — so verify the lug clearance and bus-bar interface before swapping."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/abb/XT1NU3090AAA000XXX","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/XT1NU3090AAA000XXX 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}}