{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"XT2LU3090BFF00NXXX","brand":"ABB","brandSlug":"abb","productSlug":"XT2LU3090BFF00NXXX","canonicalUrl":"https://aoctrl.com/abb/XT2LU3090BFF00NXXX","factsUrl":"https://aoctrl.com/api/mcp/products/XT2LU3090BFF00NXXX","rawCanonicalId":null},"summary":{"shortDescription":"ABB XT2 series, molded case circuit breaker, 90A current-limiting L-IR trip unit with rotary mechanism, order code XT2LU3090BFF00NXXX.","salesMarkdown":"The L-IR trip provides adjustable long-time and instantaneous protection, letting you coordinate the breaker with downstream loads and upstream feeders. The rotary handle suits panel layouts where a standard toggle would interfere with door-mounted controls or compact enclosures. ## What the 90 A rating means for fit The 90 A continuous rating sets the breaker's thermal capacity for protecting a feeder or a large motor circuit. The current-limiting design reduces let-through energy during a fault, which helps maintain selectivity with downstream branch breakers and limits stress on series-connected components. The L-IR trip unit's adjustable long-time pickup and delay bands allow fine-tuning to match cable ampacity or motor inrush without nuisance tripping. The rotary mechanism replaces the standard toggle, which simplifies door cutout alignment in enclosed switchboards. Verify the rotary handle's shaft length against the enclosure door depth before panel fabrication.","metaTitle":"ABB XT2LU3090BFF00NXXX XT2 Molded Case Circuit Breaker, 90A","metaDescription":"ABB XT2LU3090BFF00NXXX molded case circuit breaker, 90A current-limiting L-IR trip unit, rotary mechanism. Current lifecycle stage. 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/XT2LU3090BFF00NXXX/alternatives.json"},"ai":{"faq":[{"question":"How do I get current pricing and availability for XT2LU3090BFF00NXXX?","answer":"Pricing and availability are confirmed against an RFQ. Submit a request through the storefront to receive a current quote with lead time."},{"question":"What does the description 'CB 90A C.LIMIT L-IR XT2 W/ROTARY MEC' mean?","answer":"It describes a 90 A molded case circuit breaker with a current-limiting L-IR electronic trip unit in the XT2 frame, fitted with a rotary operating mechanism."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/abb/XT2LU3090BFF00NXXX","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/XT2LU3090BFF00NXXX 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}}