{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"C25N42D250","brand":"Schneider Electric","brandSlug":"schneider","productSlug":"C25N42D250","canonicalUrl":"https://aoctrl.com/schneider/C25N42D250","factsUrl":"https://aoctrl.com/api/mcp/products/C25N42D250","rawCanonicalId":null},"summary":{"shortDescription":"Schneider Electric ComPacT NSX NSX250N, 250 A, 4P, electronic trip unit MicroLogic 2.2, breaking capacity 50 kA at 415 V AC, EN/IEC 60947-2.","salesMarkdown":"The Schneider Electric C25N42D250 is a ComPacT NSX NSX250N circuit breaker rated 250 A at 40 °C, 4-pole, with a MicroLogic 2.2 electronic trip unit. The breaking capacity hits 50 kA Icu at 415 V AC (50/60 Hz) per IEC 60947-2, which means it can safely interrupt a 50 kA fault on a 415 V distribution bus without upstream cascading — a common requirement for main or large feeder breakers in industrial panels. Mounts on a backplate (flat on the back) in horizontal or vertical orientation. IP40 enclosure protection means it is suited for clean indoor environments — no washdown or outdoor exposure. The 140 mm width and 161 mm height fit standard ComPacT NSX cutouts; the 86 mm depth leaves room for rear accessories.","metaTitle":"Schneider Electric C25N42D250 ComPacT NSX250N, 250A 4P, 50kA","metaDescription":"Schneider Electric C25N42D250 ComPact NSX250N circuit breaker, 250A rated, 4-pole, 50kA breaking at 415V AC. MicroLogic 2.2 electronic trip unit. Current lifecycle. Sourced to orde","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Miniature Circuit Breakers (MCB)"],"specifications":{"Range":"ComPacT","title":"C25N42D250","Depth (D)":"86 mm","Standards":"EN/IEC 60947-2","Width (W)":"140 mm","Height (H)":"161 mm","description":"Circuit breaker, ComPacT NSX250N, 50kA/415VAC, 4 poles, MicroLogic 2.2 trip unit 250A","Control type":"Toggle","Network type":"AC","Product name":"ComPacT NSX","Thermal memory":"20 minutes before and after tripping","Trip unit name":"MicroLogic 2.2","Number of slots":"5 slot(s)","Protection type":"L : for overload protection (long time) So : for short time short-circuit protection with fixed delay I : for instantaneous short-circuit protection","lifecycle_stage":"current","Connection pitch":"35 mm","Local signalling":"Flashing LED (green) for ready to operate LED 105 % Ir (red) for overload LED 90 % Ir (orange) for overload","Mounting support":"Backplate","Neutral position":"Left","Pollution degree":"3 conforming to IEC 60664-1","Trip unit rating":"250 A at 40 °C","Breaking capacity":"90 kA Icu at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 50 kA Icu at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 50 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2 36 kA Icu at 500 V AC 50/60 Hz conforming to IEC 60947-2 35 kA Icu at 525 V AC 50/60 Hz conforming to IEC 60947-2 10 kA Icu at 660/690 V AC 50/60 Hz conforming to IEC 60947-2 85 kA Icu at 240 V AC 50/60 Hz conforming to UL 60947-4-1 50 kA Icu at 480 V AC 50/60 Hz conforming to UL 60947-4-1 15 kA Icu at 600 V AC 50/60 Hz conforming to UL 60947-4-1","Device short name":"NSX250N","Mounting position":"Horizontal and vertical Flat on the back","Network frequency":"50/60 Hz","Poles description":"4P","Relative humidity":"0...95 %","Upside connection":"Front","Device application":"Distribution","Operating altitude":"0...2000 m without derating 2000 m...5000 m with derating","[In] rated current":"250 A at 40 °C","Downside connection":"Front","Overvoltage category":"III","Trip unit technology":"Electronic","Utilisation category":"Category A","Electrical durability":"20000 cycles at 440 V In/2 10000 cycles at 440 V In 10000 cycles at 690 V In/2 5000 cycles at 690 V In","Mechanical durability":"20000 cycles","Breaking capacity code":"N 50 kA 415 V AC","IK degree of protection":"IK07 conforming to IEC 62262","IP degree of protection":"IP40 conforming to IEC 60529","Earth-leakage protection":"Without","Product or component type":"Circuit breaker","Suitability for isolation":"Yes conforming to EN/IEC 60947-2","Neutral protection setting":"0.5 x Ir (3D + N/2) 1 x Ir (4D) No protection (3D)","Power dissipation per pole":"17.6 W","Protected poles description":"4D 3D + N/2 3D + N/2","Circuit breaker mounting mode":"Fixed","[Ui] rated insulation voltage":"800 V AC 50/60 Hz","Trip unit protection functions":"LSoI","[Ue] rated operational voltage":"690 V AC 50/60 Hz","Zone selective interlocking ZSI":"Without","Electrical shock protection class":"Class II on front face","Ambient air temperature for storage":"-50...85 °C","Ambient air temperature for operation":"-25...70 °C","[Ics] rated service breaking capacity":"90 kA at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 50 kA at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 50 kA at 440 V AC 50/60 Hz conforming to IEC 60947-2 36 kA at 500 V AC 50/60 Hz conforming to IEC 60947-2 35 kA at 525 V AC 50/60 Hz conforming to IEC 60947-2 10 kA at 660/690 V AC 50/60 Hz conforming to IEC 60947-2","[Tr] Long-Time Delay Adjustment Range":"400 s at 1.5 x Ir 16 s at 6 x Ir 11 s at 7.2 x Ir","[Uimp] rated impulse withstand voltage":"8 kV","Long-time protection delay adjustment type tr":"Fixed","Short-time protection delay adjustment type tsd":"Fixed","Short-time protection pick-up adjustment type Isd":"Adjustable 9 settings","[Ir] long-time protection pick-up adjustment range":"100...250 A","Instantaneous protection pick-up adjustment type Ii":"Fixed","[Isd] Short-time protection pick-up adjustment range":"1.5...10 x Ir","[Ii] instantaneous protection pick-up adjustment range":"3000 A","Long-time pick-up adjustment type Ir (thermal protection)":"Adjustable 9 settings"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$692.62","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/cdb463a4e2c54b056a36ec1fb3666826.pdf","sourceUrl":"https://www.se.com/vn/en/product/C25N42D250/circuit-breaker-compact-nsx250n-50ka-415vac-4-poles-micrologic-2-2-trip-unit-250a/"},"ai":{"faq":[{"question":"What is the breaking capacity of C25N42D250 at 415 V?","answer":"50 kA Icu at 380/415 V AC 50/60 Hz per IEC 60947-2."},{"question":"What trip unit does C25N42D250 use?","answer":"It uses a MicroLogic 2.2 electronic trip unit with L (long-time), So (short-time with fixed delay), and I (instantaneous) protection."},{"question":"Where can I buy C25N42D250?","answer":"Sourced and quoted to order against an RFQ through independent distribution; availability and current pricing are confirmed at quote time."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/schneider/C25N42D250","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/C25N42D250 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:51:03.652Z","lastPublished":"2026-08-11T15:51:03.652Z","indexable":true}}