{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"XT5HU340BYFF000XXX","brand":"ABB","brandSlug":"abb","productSlug":"XT5HU340BYFF000XXX","canonicalUrl":"https://aoctrl.com/abb/XT5HU340BYFF000XXX","factsUrl":"https://aoctrl.com/api/mcp/products/XT5HU340BYFF000XXX","rawCanonicalId":null},"summary":{"shortDescription":"ABB XT5H series, molded case circuit breaker, XT5HU340BYFF000XXX, 600 A frame, LSIG trip unit, 400 V, 3-pole, UL/CSA listed.","salesMarkdown":"The ABB XT5HU340BYFF000XXX is a molded case circuit breaker from the XT5H series, rated for the 600 A frame with an LSIG (Long-time, Short-time, Instantaneous, Ground-fault) trip unit, 400 V, 3-pole construction, and UL/CSA certification. The 600 A frame rating means this MCCB is sized for main feeder or large branch-circuit protection in industrial panels. The LSIG trip unit provides adjustable long-time delay (for overload), short-time delay (for coordination with downstream breakers), instantaneous pickup (for fault clearing), and ground-fault protection — covering the full protection curve for motor loads, transformers, or distribution buswork. UL/CSA listing certifies the breaker for North American panel installations. The 3-pole configuration handles three-phase loads — typical for a 600 A main breaker in a motor control center (MCC) or a large distribution panel feeding downstream subpanels or heavy machinery.","metaTitle":"ABB XT5HU340BYFF000XXX XT5H 600A LSIG 400V 3P UL/CSA","metaDescription":"ABB XT5HU340BYFF000XXX molded case circuit breaker, 600A frame, LSIG protection, 400V, 3-pole, UL/CSA. 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":{"title":"XT5HU340BYFF000XXX","description":"XT5H 600 E.GTCH LSIG 400 3P UL/CSA|XT5H 600 E.GTCH LSIG 400 3P UL/CSA","lifecycle_stage":"current"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/61ae6bfaac8aaff88704c141841b38fd.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What does the LSIG trip unit on XT5HU340BYFF000XXX protect against?","answer":"LSIG stands for Long-time, Short-time, Instantaneous, and Ground-fault protection. It provides adjustable overload delay, short-circuit coordination delay, instantaneous fault clearing, and ground-fault detection — suitable for main breaker applications requiring selective coordination."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/abb/XT5HU340BYFF000XXX","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/XT5HU340BYFF000XXX 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}}