{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LV438271","brand":"Schneider Electric","brandSlug":"schneider","productSlug":"LV438271","canonicalUrl":"https://aoctrl.com/schneider/LV438271","factsUrl":"https://aoctrl.com/api/mcp/products/LV438271","rawCanonicalId":null},"summary":{"shortDescription":"circuit breaker Compact NSX320S DC - TM-DC - 320 A - 4P","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":{"Range":"ComPact","Depth (D)":"110 mm","Standards":"EN/IEC 60947","Width (W)":"185 mm","Height (H)":"255 mm","Control type":"Toggle","Network type":"DC","Product name":"ComPact NSX DC","Trip unit name":"TM-DC","Number of poles":"4P","Protection type":"L : for overload protection (thermal) I : for short-circuit protection (magnetic)","lifecycle_stage":"mature","Connection pitch":"45 mm","Mounting support":"Backplate","Neutral position":"Left","Pollution degree":"3 conforming to IEC 60664-1","Range of product":"ComPact NSX400...630 DC","Trip unit rating":"320 A at 40 °C","Device short name":"NSX320 DC","Performance level":"S 100 kA 500 V DC","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":"320 A at 40 °C","Downside connection":"Front","Overvoltage category":"Class II","Trip unit technology":"Thermal-magnetic","Utilisation category":"Category A","Electrical durability":"1000 cycles at 750 V In 2000 cycles at 750 V In/2","Mechanical durability":"5000 cycles","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","Protected poles description":"4t","Circuit breaker mounting mode":"Fixed","[Ui] rated insulation voltage":"750 V DC conforming to IEC 60947-2","[Ue] rated operational voltage":"750 V DC","Electrical shock protection class":"Class II","Ambient air temperature for storage":"-50...85 °C","Ambient air temperature for operation":"-25...70 °C","[Uimp] rated impulse withstand voltage":"8 kV conforming to IEC 60947-2","Number of slots for electrical auxiliaries":"6 slot(s)","[Ir] long-time protection pick-up adjustment range":"0.7...1 x In","[Ics] rated service short-circuit breaking capacity":"100 kA at 750 V DC conforming to IEC 60947-2","[Icu] rated ultimate short-circuit breaking capacity":"100 kA Icu at 250 V DC 1P conforming to IEC 60947-2 100 kA Icu at 500 V DC 2P conforming to IEC 60947-2 100 kA Icu at 750 V DC 3P conforming to IEC 60947-2 100 kA Icu at 750 V DC 4P conforming to IEC 60947-2","Long-time pick-up adjustment type Ir (thermal protection)":"Adjustable"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/cf1a359c3c37bb52a57be371565e8c05.pdf","sourceUrl":"https://www.se.com/hk/en/product/LV438271/circuit-breaker-compact-nsx320s-dc-tmdc-320-a-4p/","alternativesUrl":"https://aoctrl.com/api/mcp/products/LV438271/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/schneider/LV438271","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/LV438271 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}}