{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"XT4HU3250FFL000XXX","brand":"ABB","brandSlug":"abb","productSlug":"XT4HU3250FFL000XXX","canonicalUrl":"https://aoctrl.com/abb/XT4HU3250FFL000XXX","factsUrl":"https://aoctrl.com/api/mcp/products/XT4HU3250FFL000XXX","rawCanonicalId":null},"summary":{"shortDescription":"ABB XT4H series molded case circuit breaker, order code XT4HU3250FFL000XXX, 250 A, 600 VAC, 3-pole, with 250 EKIP LSI electronic trip unit, F F UL/CSA.","salesMarkdown":"## 250 A, 600 VAC, 3-Pole — XT4H Frame with EKIP LSI Trip The ABB XT4HU3250FFL000XXX is a molded case circuit breaker in the XT4H frame, rated 250 A continuous at 600 VAC, 3-pole, with the 250 EKIP LSI electronic trip unit. The LSI designation means the trip provides Long-time, Short-time, and Instantaneous protection curves — adjustable for selective coordination in a distribution panel. The F F suffix indicates UL/CSA certification, so this breaker is accepted in North American panelboards and switchgear without additional listing work. Mounts in a standard ABB XT4 draw-out or fixed cradle; the frame accepts plug-in or fixed connections depending on the base ordered separately. The 3-pole footprint occupies one 3-pole space in a distribution panel. Torque terminal connections to the values stamped on the breaker nameplate — the EKIP trip unit draws its power from the line-side current transformers, so no auxiliary control power is needed for the protection functions. ## What the 250 A Rating Means for Your Application In a feeder circuit, size the upstream transformer or bus for at least 250 A; for motor branch circuits, the breaker must be coordinated with the motor full-load current per NEC 430. The EKIP LSI trip unit allows the short-time pickup and delay to be set so the breaker holds through a downstream fault long enough for the branch breaker to clear — selective coordination without nuisance tripping.","metaTitle":"ABB XT4HU3250FFL000XXX Molded Case Breaker, 250A, 600VAC, 3P","metaDescription":"ABB XT4HU3250FFL000XXX molded case circuit breaker, 250 A, 600 VAC, 3-pole, XT4H frame with 250 EKIP LSI trip unit. Current lifecycle stage, sourced to order. Request a quote.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"Amps":"250","Type":"Breaker; Molded Case","Poles":"3","title":"XT4HU3250FFL000XXX","Volts AC":"600","description":"Breaker, Molded Case, XT4H, 250 EKIP, LSI, 250A, 600VAC, 3P, F F UL/CSA|Breaker, Molded Case, XT4H, 250 EKIP, LSI, 250 Amp, 600 Volt AC, 3-Pole, F F UL/CSA","lifecycle_stage":"current"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/2336d4d6416049d1b6651ce236d18310.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the closest pin-compatible alternative to XT4HU3250FFL000XXX in this component family?","answer":"Within the ABB XT4 family, the closest alternative is a breaker with the same XT4H frame, 3-pole, 250 A rating, but with a different trip unit type (e.g., EKIP LS or EKIP G) or a different interrupting rating suffix. The physical mounting and terminal layout are identical across the XT4H platform; the trip unit determines the protection curve. No direct pin-compatible substitute exists outside the ABB XT4 series without rewiring the panel."},{"question":"What is XT4HU3250FFL000XXX's listed amps (250) on this component line?","answer":"The breaker is rated 250 A continuous at 40 °C ambient, 600 VAC maximum, 3-pole. This is the frame rating; the EKIP LSI trip unit can be adjusted lower via the dials on the front face."},{"question":"How do I get current pricing and availability for XT4HU3250FFL000XXX?","answer":"Pricing and availability are confirmed at quote time against an RFQ. Submit a request through the storefront or contact the distributor desk; the part is sourced through independent distribution channels and quoted to order."},{"question":"What compliance documentation does this brand provide for XT4HU3250FFL000XXX (RoHS, REACH, UL, IEC)?","answer":"The F F suffix in the order code confirms UL and CSA certification for the North American market. ABB provides a Declaration of Conformity covering the applicable IEC/EN standards (IEC 60947-2) and RoHS/REACH compliance documentation on request through the manufacturer's document portal."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/abb/XT4HU3250FFL000XXX","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/XT4HU3250FFL000XXX 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}}