{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"C25F42D250","brand":"Schneider Electric","brandSlug":"schneider","productSlug":"C25F42D250","canonicalUrl":"https://aoctrl.com/schneider/C25F42D250","factsUrl":"https://aoctrl.com/api/mcp/products/C25F42D250","rawCanonicalId":null},"summary":{"shortDescription":"Schneider Electric ComPacT NSX, NSX250F, circuit breaker, 250 A at 40 °C, 85 kA Icu at 240 V AC, 4P, MicroLogic 2.2 electronic trip unit, toggle control.","salesMarkdown":"The C25F42D250 is a Schneider Electric ComPacT NSX250F circuit breaker rated 250 A at 40 °C with a MicroLogic 2.2 electronic trip unit. The 85 kA Icu at 240 V AC is the maximum fault current it can safely interrupt once; at 415 V AC the breaking capacity is 36 kA Icu, which covers most industrial distribution panels fed from a typical 400 V transformer. Mounts on a backplate in either horizontal or vertical orientation — flat on the back, no DIN rail. The 161 mm height, 140 mm width, and 86 mm depth (35 mm connection pitch) fit standard distribution panel cutouts for the NSX frame. Front connections top and bottom simplify busbar and cable routing. IP40 enclosure protection and IK07 impact resistance suit indoor panel environments, not washdown zones. ## Durability and thermal memory Rated for 20,000 mechanical cycles and 20,000 electrical cycles at 440 V at half rated current (In/2), or 10,000 cycles at full rated current. That matters for motor feeders or pulsed loads where repeated inrush could otherwise nuisance-trip on the second event.","metaTitle":"Schneider Electric C25F42D250 ComPacT NSX250F, 250A, 85kA","metaDescription":"Schneider Electric C25F42D250 ComPacT NSX circuit breaker, 250A at 40°C, 85kA Icu at 240V AC, MicroLogic 2.2 electronic trip unit, 4P, EN/IEC 60947-2. Active production, sourced to","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Miniature Circuit Breakers (MCB)"],"specifications":{"Range":"ComPacT","title":"C25F42D250","Depth (D)":"86 mm","Standards":"EN/IEC 60947-2","Width (W)":"140 mm","Height (H)":"161 mm","description":"Circuit breaker ComPacT NSX250F, 36kA at 415VAC, MicroLogic 2.2 trip unit 250A, 4 poles 4d","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":"85 kA Icu at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 36 kA Icu at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 35 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2 30 kA Icu at 500 V AC 50/60 Hz conforming to IEC 60947-2 22 kA Icu at 525 V AC 50/60 Hz conforming to IEC 60947-2 8 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 35 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":"NSX250F","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":"F 36 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","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":"85 kA at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 36 kA at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 35 kA at 440 V AC 50/60 Hz conforming to IEC 60947-2 30 kA at 500 V AC 50/60 Hz conforming to IEC 60947-2 22 kA at 525 V AC 50/60 Hz conforming to IEC 60947-2 8 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":"$649.87","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/db0b854d48464ca695dbcc480595bc55.pdf","sourceUrl":"https://www.se.com/ae/en/product/C25F42D250/circuit-breaker-compact-nsx250f-36ka-at-415vac-micrologic-2-2-trip-unit-250a-4-poles-4d/"},"ai":{"faq":[{"question":"What are the key ratings for C25F42D250?","answer":"250 A continuous at 40 °C, 85 kA Icu at 240 V AC, 36 kA Icu at 415 V AC, 4 poles, MicroLogic 2.2 electronic trip with L/So/I protection curves."},{"question":"Where can I buy C25F42D250?","answer":"Sourced and quoted to order against an RFQ through independent distribution; availability and current pricing confirmed at quote time."},{"question":"What standards does C25F42D250 comply with?","answer":"Certified to EN/IEC 60947-2, with breaking capacity ratings also tested to UL 60947-4-1. Pollution degree 3 per IEC 60664-1, overvoltage category III."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/schneider/C25F42D250","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/C25F42D250 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}}