{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"ENW24140","brand":"Schneider Electric","brandSlug":"schneider","productSlug":"ENW24140","canonicalUrl":"https://aoctrl.com/schneider/ENW24140","factsUrl":"https://aoctrl.com/api/mcp/products/ENW24140","rawCanonicalId":null},"summary":{"shortDescription":"Schneider Electric EasyPact NW series, ENW24140 air circuit breaker, 3-pole, 4000 A at 40 °C, 66 kA Icu at 440 V AC, drawout mounting, IP40.","salesMarkdown":"The ENW24140 is a 3-pole air circuit breaker from the EasyPact NW range, rated 4000 A at 40 °C with a breaking capacity of 66 kA Icu at 440 V AC per IEC 60947-2. Drawout mounting lets you rack the breaker out for maintenance without disturbing the busbars, which is standard for switchgear that needs periodic inspection or swap-out. ## Deployment context This breaker is designed for drawout mounting on a rail, which places it in metal-enclosed low-voltage switchgear assemblies — think main incomers or large feeder breakers in industrial distribution panels. Pollution degree 4 per IEC 60664-1 confirms it's rated for harsh conductive environments (heavy dust, condensation), which is typical for heavy industrial settings like steel mills or cement plants. Rated insulation voltage 1000 V AC and impulse withstand voltage 12 kV mean the breaker's internal clearances are designed for 1 kV systems, so it can be used on 690 V networks with ample margin. Utilisation category B means it's intended for distribution duty with no frequent switching of motor starts; the electrical durability is 5000 cycles at 440 V without maintenance, which is typical for a breaker that stays closed most of its life.","metaTitle":"Schneider Electric ENW24140 EasyPact NW Circuit Breaker, 400","metaDescription":"Schneider Electric ENW24140 EasyPact NW air circuit breaker, 4000 A rated current, 66 kA breaking capacity at 440 V AC, IEC 60947-2, drawout mounting, current lifecycle stage. Sour","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Air Circuit Breakers"],"specifications":{"Depth":"395 mm","Range":"EasyPact","Width":"441 mm","Height":"439 mm","Standards":"IEC 60947-2","Control type":"Push-button","Network type":"AC","Mounting mode":"Drawout","lifecycle_stage":"current","Connection pitch":"115 mm without spreader","Mounting support":"Rail","Pollution degree":"4 conforming to IEC 60664-1","Range of product":"EasyPact NW","Breaking capacity":"66 kA Icu at 220...440 V AC 50/60 Hz conforming to IEC 60947-2 50 kA Icu at 690 V AC 50/60 Hz conforming to IEC 60947-2","Device short name":"ENW40H","Network frequency":"50/60 Hz","Poles description":"3P","Device application":"Distribution","[In] rated current":"4000 A at 40 °C","Connection position":"Vertical Horizontal","Utilisation category":"Category B","Electrical durability":"Category B: 5000 cycles 440 V AC 50/60 Hz without maintenance conforming to IEC 60947-2 Category B: 2500 cycles 690 V AC 50/60 Hz without maintenance conforming to IEC 60947-2","Maximum breaking time":"25 ms","Mechanical durability":"20000 cycles (with maintenance) conforming to IEC 60947-2 10000 cycles (without maintenance) conforming to IEC 60947-2","Breaking capacity code":"H","Location of connection":"Rear","IP degree of protection":"IP40","Circuit breaker CT rating":"4000 A","Product or component type":"Circuit breaker","Suitability for isolation":"Yes conforming to IEC 60947-2","Contact position indicator":"Yes","Protected poles description":"3P 3d","Maximum closing response time":"70 ms","[Ui] rated insulation voltage":"1000 V AC 50/60 Hz conforming to IEC 60947-2","[Ue] rated operational voltage":"690 V AC 50/60 Hz conforming to IEC 60947-2","Ambient air temperature for storage":"-40...85 °C without control unit -25...85 °C with control unit","Ambient air temperature for operation":"-5...60 °C","[Ics] rated service breaking capacity":"65 kA (Ics) at 220...440 V AC 50/60 Hz conforming to IEC 60947-2 50 kA (Ics) at 690 V AC 50/60 Hz conforming to IEC 60947-2","[Uimp] rated impulse withstand voltage":"12 kV conforming to IEC 60947-2","[Icw] rated short-time withstand current":"65 kA (1 s) at 220...440 V AC 50/60 Hz conforming to IEC 60947-2 50 kA (1 s) at 690 V AC 50/60 Hz conforming to IEC 60947-2 36 kA (3 s) at 440/690 V AC 50/60 Hz conforming to IEC 60947-2","[Icm] rated short-circuit making capacity":"143 kA (Icm) at 220...440 V AC 50/60 Hz conforming to IEC 60947-2 105 kA (Icm) at 690 V AC 50/60 Hz conforming to IEC 60947-2"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/df754f47cdc4dd5915e080f41f40725b.pdf","sourceUrl":"https://www.se.com/ae/en/product/ENW24140/circuit-breaker-frame-adapt-easypact-nw-3-poles-4000a-h-withdrawal/","alternativesUrl":"https://aoctrl.com/api/mcp/products/ENW24140/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy ENW24140?","answer":"The ENW24140 is sourced to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time."},{"question":"What is the breaking capacity of ENW24140?","answer":"The rated breaking capacity Icu is 66 kA at 220...440 V AC and 50 kA at 690 V AC, both per IEC 60947-2. The service breaking capacity Ics is 65 kA at 440 V and 50 kA at 690 V."},{"question":"What standards does ENW24140 comply with?","answer":"It complies with IEC 60947-2 and is suitable for isolation per that standard. Pollution degree 4 per IEC 60664-1 covers harsh environments."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/schneider/ENW24140","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/ENW24140 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}}