{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LV433965","brand":"Schneider Electric","brandSlug":"schneider","productSlug":"LV433965","canonicalUrl":"https://aoctrl.com/schneider/LV433965","factsUrl":"https://aoctrl.com/api/mcp/products/LV433965","rawCanonicalId":null},"summary":{"shortDescription":"Schneider LV433965 Compact Nsx — now discontinued, supplied from remaining surplus and broker stock.","salesMarkdown":"## Overview The LV433965 is a MicroLogic 7.3 E AL electronic trip unit for the Schneider ComPact NSX400 and NSX630 molded-case circuit breakers, rated 400 A with 3 poles and built for distribution duty. It provides LSI protection (long-time, short-time, instantaneous) with an adjustable long-time pickup range of 160 to 400 A and an integrated earth-leakage function, all monitored through an LCD display. Compared to the LV433808, which is a 4-pole trip unit rated 250 A with a fixed long-time delay, the LV433965 is a 3-pole unit rated 400 A with an adjustable Tr. Pick the LV433965 for 3-pole distribution panels needing higher ampacity and field-adjustable overload timing; choose the LV433808 when the BOM requires 4-pole switching at 250 A. The LV433965 is in active production; lead time is confirmed per RFQ for the exact build code.","metaTitle":"Schneider LV433965 MicroLogic 7.3 E AL trip unit, 400 A, 3-pole","metaDescription":"Schneider LV433965 MicroLogic 7.3 E AL electronic trip unit for ComPact NSX400/630 breakers: 400 A, 3 poles, LSI protection, integrated earth-leakage, adjustable long-time delay.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"Range":"ComPact","Standards":"NEMA AB1 IEC 60947-2 EN 60947-2 UL 508","Display type":"LCD display","Network type":"AC","Thermal memory":"20 minutes before and after tripping","Trip unit name":"MicroLogic 7.3 E AL","Number of poles":"3P","Protection type":"L : for overload protection (long time) S : for short time short-circuit protection I : for instantaneous short-circuit protection","lifecycle_stage":"mature","Local signalling":"Flashing LED (green) for ready to operate LED 105 % Ir (red) for overload LED 90 % Ir (orange) for overload","Neutral position":"Left","Pollution degree":"3 conforming to IEC 60947-1","Range of product":"ComPact NSX400...630","Network frequency":"50/60 Hz","Device application":"Distribution","Type of measurement":"Energy meter","Trip unit technology":"Electronic","Communication of data":"Maintenance indicators Instantaneous and demand values Time-stamped histories and event tables Power quality Energy metering Test reports Maximeters/minimeters Demand current and power Earth leakage current Protection and alarm settings","IP degree of protection":"IP40 conforming to IEC 60529","Trip unit rated current":"400 A at 40 °C","Earth-leakage protection":"Integrated","Product or component type":"Trip unit","Protected poles description":"3t","Earth-leakage protection class":"Class A","Trip unit protection functions":"LSI","[Ue] rated operational voltage":"440 V AC 50/60 Hz","Zone selective interlocking ZSI":"Without","Ambient air temperature for storage":"-40...85 °C","Ambient air temperature for operation":"-25...70 °C","Earth-leakage protection specific mode":"OFF using the IΔn rotary switch","Long-time protection delay adjustment type tr":"Adjustable","Short-time protection delay adjustment type tsd":"Adjustable","[Tr] Long-Time Protection Delay Adjustment Range":"15...400 s at 1.5 x Ir 0.35...11 s at 7.2 x Ir 0.5...16 s at 6 x Ir","Short-time protection pick-up adjustment type Isd":"Adjustable","[Ir] long-time protection pick-up adjustment range":"160...400 A","[tsd] Short-time protection delay adjustment range":"0...0.4 s","Instantaneous protection pick-up adjustment type Ii":"Adjustable","[Isd] Short-time protection pick-up adjustment range":"1.5...10 x Ir","[Ii] instantaneous protection pick-up adjustment range":"4800 A Compact NSX630 1.5...12 x In Compact NSX400","Earth-leakage protection sensitity adjustment type IΔn":"Adjustable","Earth-leakage protection time delay adjustement type Δt":"Adjustable","Long-time pick-up adjustment type Ir (thermal protection)":"Adjustable 9 settings","[Δt] Earth-leakage protection time delay adjustment range":"0 ms 500 ms 150 ms 60 ms 1 s","[IΔn] earth-leakage protection sensitivity adjustment range":"300 mA 5 A 10 A 500 mA 1 A 3 A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$2,380.03","priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/e412c40a7b8e4cdf19a70d52aafd64bf.pdf","sourceUrl":"https://www.se.com/hk/en/product/LV433965/trip-unit-micrologic-7-3-e-al-for-compact-nsx-400-630-circuit-breakers-electronic-rating-400a-3-poles-3d/","alternativesUrl":"https://aoctrl.com/api/mcp/products/LV433965/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/schneider/LV433965","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/schneider/LV433965 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}}