{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"FRN1000AR1S-4U","brand":"Fuji Electric","brandSlug":"fuji-electric","productSlug":"FRN1000AR1S-4U","canonicalUrl":"https://aoctrl.com/fuji-electric/FRN1000AR1S-4U","factsUrl":"https://aoctrl.com/api/mcp/products/FRN1000AR1S-4U","rawCanonicalId":null},"summary":{"shortDescription":"FUJ FRENIC-HVAC FRN1000AR1S-4U, 3-phase 460V, 1000HP, UL Open Type drive.","salesMarkdown":"The Fuji Electric FRN1000AR1S-4U is a FRENIC-HVAC series variable frequency drive rated for 1000 HP on a 3-phase 460 V supply, built as a UL open type. This is a heavy-duty drive meant for large HVAC loads — chillers, cooling towers, big supply fans, or pump banks in commercial and industrial buildings. The 1000 HP rating at 460 V three-phase tells you this drive is sized for a large induction motor pulling full load current well north of 1000 A. The FRENIC-HVAC series is purpose-built for variable-torque loads — fans and centrifugal pumps — where the torque demand drops with speed. That means the drive's overload capability and thermal design are tuned for quadratic torque curves, not constant-torque conveyors or extruders. If you're trying to run a positive-displacement pump or a reciprocating compressor on this, you'll hit the overload limit fast. UL open-type construction means the drive ships without an enclosure. It's designed to be mounted inside a UL508A industrial control panel with proper ventilation — at 1000 HP, expect significant heat rejection. The FRENIC-HVAC line typically lands with a DC-link choke built in for harmonic mitigation, but verify the specific input configuration on the nameplate. No crane? No shop? This one stays on the truck until you've got a rigging crew and a panel big enough to swallow it.","metaTitle":"FUJ FRN1000AR1S-4U FRENIC-HVAC Drive, 1000HP 460V UL Open Ty","metaDescription":"FRN1000AR1S-4U FRENIC-HVAC drive from Fuji Electric. 3-phase 460V input, rated 1000HP. UL open type. Active production lifecycle stage. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["AC Drive (VFD) 480V"],"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/FRN1000AR1S-4U/alternatives.json"},"ai":{"faq":[{"question":"What does the 'UL open type' designation mean?","answer":"It means the drive is a UL-listed component intended for installation inside a UL-listed enclosure. It is not a standalone, self-enclosed unit — you'll need to provide the cabinet and cooling."},{"question":"What kind of loads is this drive suited for?","answer":"The FRENIC-HVAC series is designed for variable-torque HVAC loads like fans, centrifugal pumps, and compressors in building automation. It is not intended for constant-torque or constant-power applications."},{"question":"How do I source the FRN1000AR1S-4U?","answer":"This drive is sourced to order against an RFQ. Given the 1000 HP rating, expect project-level lead times and pricing — submit an RFQ for a firm quote and delivery estimate."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/fuji-electric/FRN1000AR1S-4U","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/fuji-electric/FRN1000AR1S-4U 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}}