{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LV433950","brand":"Schneider Electric","brandSlug":"schneider","productSlug":"LV433950","canonicalUrl":"https://aoctrl.com/schneider/LV433950","factsUrl":"https://aoctrl.com/api/mcp/products/LV433950","rawCanonicalId":null},"summary":{"shortDescription":"trip unit MicroLogic 7.3 E for ComPact NSX 400/630 circuit breakers, electronic, rating 400A, 3 poles 3d","salesMarkdown":null,"metaTitle":null,"metaDescription":null,"metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":[],"specifications":{"Range":"ComPact","Standards":"UL 508 EN 60947-2 NEMA AB1 IEC 60947-2","Display type":"LCD display","Network type":"AC","Thermal memory":"20 minutes before and after tripping","Trip unit name":"MicroLogic 7.3 E","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 R : for earth-leakage 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":"Maximeters/minimeters Maintenance indicators Power quality Test reports Energy metering Protection and alarm settings Demand current and power Earth leakage current Instantaneous and demand values Time-stamped histories and event tables","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":"LSIR","[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":"150 ms 1 s 500 ms 60 ms 0 ms","[IΔn] earth-leakage protection sensitivity adjustment range":"500 mA 3 A 1 A 10 A 300 mA 5 A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/3fd388f0064b6752eb83ee534ecbae71.pdf","sourceUrl":"https://www.se.com/nz/en/product/LV433950/trip-unit-micrologic-7-3-e-for-compact-nsx-400-630-circuit-breakers-electronic-rating-400a-3-poles-3d/","alternativesUrl":"https://aoctrl.com/api/mcp/products/LV433950/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/schneider/LV433950","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/LV433950 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-09-02T08:21:01.794Z","lastPublished":"2026-09-02T08:21:01.794Z","indexable":true}}