{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"C40F31M320","brand":"Schneider Electric","brandSlug":"schneider","productSlug":"C40F31M320","canonicalUrl":"https://aoctrl.com/schneider/C40F31M320","factsUrl":"https://aoctrl.com/api/mcp/products/C40F31M320","rawCanonicalId":null},"summary":{"shortDescription":"Schneider Electric ComPacT NSX, NSX400F, 3P, 320 A at 65 °C, MicroLogic 1.3 M electronic trip unit, 36 kA Icu at 415 V AC, motor protection.","salesMarkdown":"The Schneider Electric C40F31M320 is a ComPacT NSX400F motor circuit breaker, 3-pole, rated 320 A at 65 °C, with a MicroLogic 1.3 M electronic trip unit. It's built for motor protection in industrial power distribution, meeting EN/IEC 60947-2. The MicroLogic 1.3 M trip unit provides electronic short-time (S) and instantaneous (I) protection, tailored for motor starting inrush. The 320 A rating at 65 °C gives you headroom in a warm panel — no derating panic if the ambient climbs. Breaking capacity steps from 40 kA at 240 V down to 10 kA at 690 V AC; at 480 V AC it's 35 kA per UL 60947-4-1, which covers most North American motor branch circuits. IK07 impact rating handles the odd dropped tool. Electrical durability: 12,000 cycles at 440 V at half rated current, 6,000 at full load. Mechanical life is 15,000 cycles.","metaTitle":"Schneider Electric C40F31M320 ComPacT NSX400F 3P 320A Motor","metaDescription":"Schneider Electric C40F31M320 ComPacT NSX circuit breaker, 3-pole, 320 A at 65 °C, MicroLogic 1.3 M electronic trip unit, 36 kA at 415 V AC. Motor protection, EN/IEC 60947-2. Avail","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Miniature Circuit Breakers (MCB)"],"specifications":{"Range":"ComPacT","title":"C40F31M320","Depth (D)":"110 mm","Standards":"EN/IEC 60947-2","Width (W)":"140 mm","Height (H)":"255 mm","description":"Circuit breaker, ComPacT NSX400F, 36kA/415VAC, 3 poles, MicroLogic 1.3M trip unit 320A","Control type":"Toggle","Network type":"AC","Product name":"ComPacT NSX","Trip unit name":"MicroLogic 1.3 M","Number of slots":"6 slot(s)","Protection type":"S : for short time short-circuit protection I : for instantaneous short-circuit protection","lifecycle_stage":"current","Connection pitch":"45 mm","Local signalling":"Flashing LED (green) for ready to operate","Mounting support":"Backplate","Pollution degree":"3 conforming to IEC 60664-1","Trip unit rating":"320 A at 65 °C","Breaking capacity":"40 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 30 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2 25 kA Icu at 500 V AC 50/60 Hz conforming to IEC 60947-2 20 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 35 kA Icu at 480 V AC 50/60 Hz conforming to UL 60947-4-1 20 kA Icu at 600 V AC 50/60 Hz conforming to UL 60947-4-1","Device short name":"NSX400F","Mounting position":"Horizontal and vertical Flat on the back","Network frequency":"50/60 Hz","Poles description":"3P","Relative humidity":"0...95 %","Upside connection":"Front","Device application":"Motor protection","Operating altitude":"0...2000 m without derating 2000 m...5000 m with derating","[In] rated current":"320 A at 65 °C","Downside connection":"Front","Overvoltage category":"III","Trip unit technology":"Electronic","Utilisation category":"Category A","Electrical durability":"12000 cycles at 440 V In/2 6000 cycles at 440 V In 6000 cycles at 690 V In/2 3000 cycles at 690 V In","Mechanical durability":"15000 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","Power dissipation per pole":"12.29 W","Protected poles description":"3D","Circuit breaker mounting mode":"Fixed","[Ui] rated insulation voltage":"800 V AC 50/60 Hz","Trip unit protection functions":"SI","[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":"40 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 30 kA at 440 V AC 50/60 Hz conforming to IEC 60947-2 25 kA at 500 V AC 50/60 Hz conforming to IEC 60947-2 10 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","[Uimp] rated impulse withstand voltage":"8 kV","Short-time protection delay adjustment type tsd":"Fixed","Short-time protection pick-up adjustment type Isd":"Adjustable 9 settings","Instantaneous protection pick-up adjustment type Ii":"Fixed","[Isd] Short-time protection pick-up adjustment range":"1600 A 1920 A 2440 A 2560 A 2880 A 3200 A 3520 A 3840 A 4160 A","[Ii] instantaneous protection pick-up adjustment range":"4800 A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$656.70","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/496cc048d2ae4f4c4d70be4513ca27d7.pdf","sourceUrl":"https://www.se.com/hk/en/product/C40F31M320/circuit-breaker-compact-nsx400f-36ka-415vac-3-poles-micrologic-1-3m-trip-unit-320a/"},"ai":{"faq":[{"question":"What is C40F31M320's listed range?","answer":"The range is ComPacT, specifically the ComPacT NSX series."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/schneider/C40F31M320","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/C40F31M320 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}}