{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"XT1HU3050AYD000XXX","brand":"ABB","brandSlug":"abb","productSlug":"XT1HU3050AYD000XXX","canonicalUrl":"https://aoctrl.com/abb/XT1HU3050AYD000XXX","factsUrl":"https://aoctrl.com/api/mcp/products/XT1HU3050AYD000XXX","rawCanonicalId":null},"summary":{"shortDescription":"ABB, NEXT1H series, molded case circuit breaker, XT1HU3050AYD000XXX, 125 A frame, TMF 50-500 trip unit, 3-pole, fixed, fixed, UL/CSA.","salesMarkdown":"The XT1HU3050AYD000XXX: The 125 A frame size and TMF 50-500 trip unit define the continuous current rating and the adjustable magnetic trip range. The TMF designation indicates a thermal-magnetic fixed trip — the thermal element provides overload protection, the magnetic element handles short-circuit interruption. The 50-500 range means the magnetic pickup is adjustable from 50 A to 500 A, letting you tune the instantaneous trip to the inrush of the downstream load. The 3-pole fixed front terminals (F F) simplify panel wiring: line and load connections are fixed, no plug-in base required. ## Deployment context This breaker mounts in a standard panelboard or switchboard enclosure. The fixed front terminals accept bus bar or cable connections; the 3-pole format matches three-phase feeder or motor circuits. The TMF 50-500 trip unit suits motor loads with adjustable inrush protection — set the magnetic pickup above the motor's locked-rotor current to avoid nuisance trips on start.","metaTitle":"ABB XT1HU3050AYD000XXX NEXT1H 125 TMF 50-500 3P F F UL/CSA","metaDescription":"ABB XT1HU3050AYD000XXX NEXT1H 125 TMF 50-500 3P F F UL/CSA. Lifecycle stage current. 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/XT1HU3050AYD000XXX/alternatives.json"},"ai":{"faq":[{"question":"What does the description NEXT1H 125 TMF 50-500 3P F F UL/CSA mean?","answer":"NEXT1H is the series designation; 125 is the frame size in amps; TMF 50-500 is the thermal-magnetic fixed trip unit with adjustable magnetic pickup from 50 A to 500 A; 3P means three-pole; F F means fixed front terminals on both line and load sides; UL/CSA indicates the breaker is listed to North American standards."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/abb/XT1HU3050AYD000XXX","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/XT1HU3050AYD000XXX 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}}