{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"C25S4","brand":"Schneider Electric","brandSlug":"schneider","productSlug":"C25S4","canonicalUrl":"https://aoctrl.com/schneider/C25S4","factsUrl":"https://aoctrl.com/api/mcp/products/C25S4","rawCanonicalId":null},"summary":{"shortDescription":"Schneider Electric ComPacT NSX250S basic frame, C25S4, 250 A frame rating, 100 kA Icu at 415 V AC, 4 poles, without trip unit.","salesMarkdown":"The C25S4 is a ComPacT NSX250S basic frame — a 250 A moulded-case frame rated for distribution duty, built to EN/IEC 60947-2 and UL 60947-4-1. It ships without a trip unit, so you pair it with a separate electronic or thermal-magnetic trip module to set the actual protection curve. That is an S-break capacity class, typical for high-fault industrial switchboards where the available fault current exceeds 65 kA. The 690 V AC rated operational voltage and 800 V AC rated insulation voltage confirm it handles 480/600 V systems with margin, and the 8 kV impulse withstand covers surge environments typical of overvoltage category III and pollution degree 3. ## Deployment context This is a fixed-mount frame for backplate mounting — it bolts into a switchboard or panel enclosure, not a DIN rail. The 140 mm width and 161 mm height with 86 mm depth and a 35 mm connection pitch define the cutout and bus-bar spacing. The toggle control provides manual on/off and trip indication. Front-face Class II shock protection means no additional grounding of the front cover is required for operator safety.","metaTitle":"C25S4 ComPacT NSX250S Basic Frame, 250A, 100kA/415VAC, 4P","metaDescription":"C25S4 ComPacT NSX250S basic frame, 250A rated current at 40°C, 100kA Icu at 415VAC, 4 poles. Active lifecycle, sourced to order. Quoted on request.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Miniature Circuit Breakers (MCB)"],"specifications":{"Range":"ComPacT","title":"C25S4","Depth (D)":"86 mm","Standards":"EN/IEC 60947-2 UL 60947-4-1","Width (W)":"140 mm","Height (H)":"161 mm","description":"Circuit breaker basic frame, ComPacT NSX250S, 100kA/415VAC, 4 poles, 250A frame rating, without trip unit","Control type":"Toggle","Network type":"AC","Product name":"ComPacT NSX","Mounting mode":"Fixed","Protection type":"Without protection","lifecycle_stage":"current","Connection pitch":"35 mm","Mounting support":"Backplate","Neutral position":"Left","Pollution degree":"3 conforming to IEC 60664-1","Breaking capacity":"100 kA Icu at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 120 kA Icu at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 15 kA Icu at 660/690 V AC 50/60 Hz conforming to IEC 60947-2 40 kA Icu at 525 V AC 50/60 Hz conforming to IEC 60947-2 65 kA Icu at 500 V AC 50/60 Hz conforming to IEC 60947-2 90 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2","Device short name":"NSX250S","Network frequency":"50/60 Hz","Poles description":"4P","Upside connection":"Front","Device application":"Distribution","[In] rated current":"250 A at 40 °C","Downside connection":"Front","Overvoltage category":"III","Utilisation category":"Category A","Electrical durability":"10000 cycles 440 V AC 50/60 Hz In conforming to IEC 60947-2 10000 cycles 690 V AC 50/60 Hz In/2 conforming to IEC 60947-2 20000 cycles 440 V AC 50/60 Hz In/2 conforming to IEC 60947-2 5000 cycles 690 V AC 50/60 Hz In conforming to IEC 60947-2","Mechanical durability":"20000 cycles conforming to IEC 60947-2","Breaking capacity code":"S 100 kA 415 V AC","IK degree of protection":"IK07 conforming to IEC 62262","IP degree of protection":"IP40 conforming to IEC 60529","Product or component type":"Basic frame","Suitability for isolation":"Yes conforming to EN/IEC 60947-2","[Ui] rated insulation voltage":"800 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","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":"100 kA at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 120 kA at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 15 kA at 660/690 V AC 50/60 Hz conforming to IEC 60947-2 40 kA at 525 V AC 50/60 Hz conforming to IEC 60947-2 65 kA at 500 V AC 50/60 Hz conforming to IEC 60947-2 90 kA at 440 V AC 50/60 Hz conforming to IEC 60947-2","[Uimp] rated impulse withstand voltage":"8 kV conforming to IEC 60947-2"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$569.47 – $1,485.82","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/e36ab924a1be51acc0657814edc4c1c0.pdf","sourceUrl":"https://www.se.com/vn/en/product/C25S4/circuit-breaker-basic-frame-compact-nsx250s-100ka-415vac-4-poles-250a-frame-rating-without-trip-unit/"},"ai":{"faq":[{"question":"What is C25S4's breaking capacity at 415 V AC?","answer":"The C25S4 has a 100 kA Icu at 380/415 V AC 50/60 Hz conforming to IEC 60947-2. The service breaking capacity Ics at the same voltage is also 100 kA, meaning it can be reclosed after a fault at that level without immediate replacement."},{"question":"What trip unit does the C25S4 require?","answer":"The C25S4 is a basic frame without a trip unit. You select a separate electronic or thermal-magnetic trip module from the ComPacT NSX family to set the protection curve (e.g., Micrologic 2.0, 5.0, or 6.0 series)."},{"question":"Where can I buy the C25S4?","answer":"The C25S4 is 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/C25S4","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/C25S4 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}}