{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"32750","brand":"Schneider Electric","brandSlug":"schneider","productSlug":"32750","canonicalUrl":"https://aoctrl.com/schneider/32750","factsUrl":"https://aoctrl.com/api/mcp/products/32750","rawCanonicalId":null},"summary":{"shortDescription":"circuit breaker Compact NS400H - MA - 320 A - 3 poles 3d","salesMarkdown":null,"metaTitle":null,"metaDescription":null,"metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"Depth":"110 mm","Width":"140 mm","Height":"255 mm","Standards":"IEC 60947-2","Control type":"Toggle","Network type":"DC AC","Mounting mode":"Fixed","Trip unit name":"MA","Protection type":"Short-circuit protection (magnetic)","lifecycle_stage":"unknown","Connection pitch":"45 mm","Local signalling":"Positive contact indication","Mounting support":"Backplate","Pollution degree":"3 conforming to IEC 60947","Range of product":"Compact NS100...630","Trip unit rating":"320 A at 65 °C","Breaking capacity":"100 kA at 240 V AC 50/60 Hz conforming to NEMA AB1 HIC 35 kA at 600 V AC 50/60 Hz conforming to NEMA AB1 HIC 65 kA at 480 V AC 50/60 Hz conforming to NEMA AB1 HIC 35 kA Icu at 525 V AC 50/60 Hz conforming to IEC 60947-2 50 kA Icu at 500 V AC 50/60 Hz conforming to IEC 60947-2 65 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2 70 kA Icu at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 100 kA Icu at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 20 kA Icu at 660/690 V AC 50/60 Hz conforming to IEC 60947-2","Device short name":"Compact NS400H","Network frequency":"50/60 Hz","Poles description":"3P","Upside connection":"Front","Device application":"Motor","[In] rated current":"400 A at 40 °C 320 A at 65 °C","Downside connection":"Front","Circuit breaker name":"Compact NS400H","Trip unit technology":"Magnetic","Utilisation category":"Category A","Electrical durability":"12000 cycles 440 V AC 50/60 Hz In/2 conforming to IEC 60947-2 6000 cycles 440 V AC 50/60 Hz In conforming to IEC 60947-2","Mechanical durability":"15000 cycles","Breaking capacity code":"H","IK degree of protection":"IK07 conforming to EN 50102","IP degree of protection":"IP40 conforming to IEC 60529","Product or component type":"Circuit breaker","Suitability for isolation":"Yes conforming to IEC 60947-2","Protected poles description":"3t","[Ui] rated insulation voltage":"750 V AC 50/60 Hz conforming to IEC 60947-2","[Ue] rated operational voltage":"690 V AC 50/60 Hz conforming to IEC 60947-2 750 V DC conforming to IEC 60947-2","Ambient air temperature for storage":"-50...85 °C","Ambient air temperature for operation":"-25...70 °C","[Ics] rated service breaking capacity":"35 kA at 525 V AC 50/60 Hz conforming to IEC 60947-2 50 kA at 500 V AC 50/60 Hz conforming to IEC 60947-2 65 kA at 440 V AC 50/60 Hz conforming to IEC 60947-2 70 kA at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 100 kA at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 20 kA at 660/690 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":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/03bfc72915b81b1835e0eb6239f75f82.pdf","sourceUrl":"https://www.se.com/ng/en/product/32750/circuit-breaker-compact-ns400h-ma-320-a-3-poles-3d/","alternativesUrl":"https://aoctrl.com/api/mcp/products/32750/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/schneider/32750","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/32750 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}}