{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"C25F44V250","brand":"Schneider Electric","brandSlug":"schneider","productSlug":"C25F44V250","canonicalUrl":"https://aoctrl.com/schneider/C25F44V250","factsUrl":"https://aoctrl.com/api/mcp/products/C25F44V250","rawCanonicalId":null},"summary":{"shortDescription":"Schneider Electric ComPacT NSX series, NSX250F, 4-pole MCCB, 250 A, 85 kA Icu at 240 V AC, MicroLogic 4.2 electronic trip unit with integrated earth-leakage protection.","salesMarkdown":"The Schneider Electric C25F44V250 is a ComPacT NSX250F 4-pole moulded-case circuit breaker (MCCB) from the ComPacT NSX family, fitted with a MicroLogic 4.2 electronic trip unit. Across the voltage range it delivers 85 kA Icu at 220/240 V AC, 36 kA at 380/415 V, 35 kA at 440 V, 30 kA at 500 V, 22 kA at 525 V, and 8 kA at 660/690 V, all per IEC 60947-2. Under UL 60947-4-1 it is rated 85 kA at 240 V, 35 kA at 480 V, and 15 kA at 600 V AC. For a buyer specifying into a 415 V panel, the 36 kA Icu gives headroom above typical 25 kA or 35 kA fault levels common in commercial distribution — you can use it downstream of a transformer without worrying about cascading failure on a bolted fault. The 85 kA at 240 V also makes it suitable for 240 V delta or split-phase services where fault currents can be high. ## Trip unit and protection logic The MicroLogic 4.2 is an electronic trip unit — not a thermal-magnetic — which means it holds its trip curve tighter across ambient temperature swings and offers adjustable long-time pickup and delay. Earth-leakage protection is integrated (no external toroid or relay needed), adjustable via the IΔn rotary switch. The trip unit is rated 250 A at 40 °C; above that temperature the breaker must be derated per the manufacturer's curve, but the 40 °C baseline covers most enclosed panel environments. The electronic design also enables local signalling: a green flashing LED for ready-to-operate, red LED at 105 % Ir for overload, and orange LED at 90 % Ir as a pre-alarm. ## Physical fit and installation The breaker measures 161 mm high by 140 mm wide by 86 mm deep, with a 35 mm connection pitch. Both line and load connections are front-facing, which simplifies busbar and cable routing in a switchboard. The IK07 impact rating confirms it can withstand a 2 J impact, which covers accidental tool drops during maintenance.","metaTitle":"Schneider C25F44V250 ComPacT NSX250F MCCB, 250A, 85kA Icu","metaDescription":"Schneider Electric C25F44V250 ComPacT NSX250F 4P MCCB with MicroLogic 4.2 electronic trip unit. Rated 250A at 40°C, 85kA Icu at 240V AC. EN/IEC 60947-2. Available to order — RFQ fo","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Residual Current Breakers (RCCB/RCBO)"],"specifications":{"Range":"ComPacT","Depth (D)":"86 mm","Standards":"EN/IEC 60947-2","Width (W)":"140 mm","Height (H)":"161 mm","Control type":"Toggle","Network type":"AC","Product name":"ComPacT NSX","Operating mode":"OFF using the IΔn rotary switch","Thermal memory":"20 minutes before and after tripping","Trip unit name":"MicroLogic 4.2","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 R : for earth-leakage 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":"IV","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":"Integrated","Product or component type":"Earth leakage 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":"25 W N 25 W L1 and L3 20.6 W L2","Protected poles description":"4D 3D + N/2 3D","Circuit breaker mounting mode":"Fixed","[Ui] rated insulation voltage":"500 V AC 50/60 Hz","Earth-leakage protection class":"Class A","Trip unit protection functions":"LSoIR","[Ue] rated operational voltage":"440 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","[Ir] long-time protection pick-up adjustment range":"100...250 A","[Δt] residual earth-leakage time delay adjustment":"0 ms 60 ms 150 ms 500 ms 1 s","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","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","[IΔn] earth-leakage protection sensitivity adjustment range":"30 mA 100 mA 300 mA 500 mA 1 A 3 A 5 A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1,322.27 – $2,913.84","priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/01c5af999f78f7c0f6968faea30c913b.pdf","sourceUrl":"https://www.se.com/ng/en/product/C25F44V250/circuit-breaker-compact-nsx250f-36ka-415vac-4-poles-micrologic-vigi-4-2-trip-unit-250a/","alternativesUrl":"https://aoctrl.com/api/mcp/products/C25F44V250/alternatives.json"},"ai":{"faq":[{"question":"What is C25F44V250's breaking capacity at 415 V?","answer":"The C25F44V250 carries the 'F' breaking capacity code: 36 kA Icu at 380/415 V AC per IEC 60947-2."},{"question":"Does the C25F44V250 include earth-leakage protection?","answer":"Yes, earth-leakage protection is integrated into the MicroLogic 4.2 trip unit, adjustable via the IΔn rotary switch."},{"question":"Where can I buy C25F44V250 and what is the lead time?","answer":"The C25F44V250 is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time."},{"question":"What compliance documentation does Schneider provide for C25F44V250?","answer":"The breaker is certified to EN/IEC 60947-2 and UL 60947-4-1. It carries IP40 and IK07 protection ratings per IEC 60529 and IEC 62262 respectively, and is rated for pollution degree 3 per IEC 60664-1."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/schneider/C25F44V250","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/C25F44V250 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}}