{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"ENW21435","brand":"Schneider Electric","brandSlug":"schneider","productSlug":"ENW21435","canonicalUrl":"https://aoctrl.com/schneider/ENW21435","factsUrl":"https://aoctrl.com/api/mcp/products/ENW21435","rawCanonicalId":null},"summary":{"shortDescription":"Schneider Electric EasyPact NW, Trip System 5.0A, LSI control unit, 800-4000 A, 690 V AC, drawout, digital display.","salesMarkdown":"The Schneider Electric ENW21435 is a microprocessor-based trip unit for the EasyPact NW range of air circuit breakers. It carries a Trip System 5.0A with LSI protection — long-time, short-time, and instantaneous — covering overload, short-circuit, and earth fault. Rated operational voltage is 690 V AC (50/60 Hz) per IEC 60947-2, with a trip unit rating adjustable from 800 to 4000 A. ## What the LSI protection settings mean for coordination LSI gives you three independent protection curves: long-time (Ir) adjustable 0.4–1 x In with nine delay settings from 0.5 to 24 s at 6 x Ir; short-time (Isd) adjustable 1.5–10 x Ir with five delay settings from 100 to 400 ms; and instantaneous (Ii) adjustable 2–15 x In with nine settings or can be switched Off. That range lets you coordinate downstream with molded-case breakers or motor starters while keeping the main breaker selective upstream. ## Integration into the breaker The ENW21435 is a drawout-style control unit — it plugs into the EasyPact NW cradle without removing the breaker from the switchgear. Neutral position is left-side; neutral protection is configurable as 3D (no protection), 3D + N/2 (half-rated), or 4D (full). Protected poles can be set to 4D, 3D + N/2, or 3D. Zone selective interlocking (ZSI) is built in, which speeds fault clearing by communicating with upstream and downstream breakers — useful in large distribution boards where you want arc-flash energy kept low.","metaTitle":"ENW21435 EasyPact NW Trip Unit, TSA5S, 800-4000 A, LSI","metaDescription":"Schneider Electric ENW21435 EasyPact NW microprocessor-based trip unit. Trip System 5.0A, LSI protection, 690 V AC, 800-4000 A. Current lifecycle. Sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Air Circuit Breakers"],"specifications":{"Depth":"75 mm","Width":"55 mm","Height":"200 mm","Display type":"Digital display","Network type":"AC","Mounting mode":"Fixed","Product weight":"0.213 kg","Thermal memory":"20 minutes before and after tripping","Trip unit name":"Trip System 5.0A","Protection type":"Overload protection (long time) Short time short-circuit protection Instantaneous short-circuit protection","lifecycle_stage":"current","Fault indication":"Internal fault Overload Short-circuit Earth fault","Neutral position":"Left","Range of product":"EasyPact NW","Trip unit rating":"800...4000 A","Network frequency":"50/60 Hz","Poles description":"4P 3P","Type of measurement":"Energy meter","Trip unit technology":"Micro-processor based","Product or component type":"Control unit","Neutral protection setting":"Without protection (3D) 0.5 x Ir (3D + N/2) 1 x Ir (4D)","Circuit breaker application":"Industrial Standard","Protected poles description":"4D 3D + N/2 3D","Trip unit protection functions":"LSI","[Ue] rated operational voltage":"690 V AC 50/60 Hz conforming to IEC 60947-2","Long time delay adjustment type":"Adjustable 9 settings","Zone selective interlocking ZSI":"With","Short-time delay adjustment type":"Adjustable 5 settings","Long time pick-up adjustment range":"0.4...1 x In","Ambient air temperature for storage":"-25...85 °C","Long time pick-up adjustment type Ir":"Adjustable 9 settings","Ambient air temperature for operation":"-5...70 °C","[Tr] Long-Time Delay Adjustment Range":"0.5...24 s (6 x Ir), accuracy: 0...- 20 %","Instantaneous pick-up adjustment range":"2...15 x In, accuracy: +/- 10 % Off","Short-time pick-up adjustment type Isd":"Adjustable 9 settings","[Tsd] Short-Time Delay Adjustment Range":"100...400 ms","Instantaneous pick-up adjustment type Ii":"Adjustable 9 settings","[Isd] short-time pick-up adjustment range":"1.5...10 x Ir"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/bb6243efe40a6ac72ebcfffded3b3970.pdf","sourceUrl":"https://www.se.com/ae/en/product/ENW21435/trip-unit-easypact-nw-ac-tsa5s-drawout/","alternativesUrl":"https://aoctrl.com/api/mcp/products/ENW21435/alternatives.json"},"ai":{"faq":[{"question":"What are the key protection settings on the ENW21435?","answer":"The Trip System 5.0A provides LSI protection: long-time (Ir) adjustable 0.4–1 x In with nine delay settings, short-time (Isd) adjustable 1.5–10 x Ir with five delay settings, and instantaneous (Ii) adjustable 2–15 x In with nine settings or Off."},{"question":"Where can I buy the ENW21435 trip unit?","answer":"The ENW21435 is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time."},{"question":"What is ENW21435's listed depth?","answer":"The ENW21435 has a listed depth of 75 mm."},{"question":"What compliance documentation does Schneider provide for ENW21435?","answer":"The ENW21435 is rated 690 V AC 50/60 Hz conforming to IEC 60947-2. Additional compliance documentation (RoHS, REACH, UL) should be verified at quote time."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/schneider/ENW21435","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/ENW21435 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}}