{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"A9N21571","brand":"Schneider Electric","brandSlug":"schneider","productSlug":"A9N21571","canonicalUrl":"https://aoctrl.com/schneider/A9N21571","factsUrl":"https://aoctrl.com/api/mcp/products/A9N21571","rawCanonicalId":null},"summary":{"shortDescription":"Schneider Electric Clario iDPN N miniature circuit breaker, A9N21571, 40 A rated current, D curve, 6 kA Icn at 230 V AC, 1P+N, thermal-magnetic, clip-on DIN rail.","salesMarkdown":"The Schneider Electric A9N21571 is a Clario iDPN N miniature circuit breaker (MCB) rated 40 A with a D trip curve, designed for 1P+N distribution circuits on 230 V AC networks at 50/60 Hz. The D curve means the magnetic trip operates at 10 to 14 times the rated current (10...14 x In) — that's 400 to 560 A instantaneous trip threshold, sized for loads with high inrush like small motors, transformers, or lighting ballasts where a B or C curve would nuisance-trip on startup. The thermal-magnetic trip unit combines a bimetal strip for overload protection and a solenoid for short-circuit protection. The 1P+N configuration switches the phase and neutral; suitability-for-isolation is marked Yes. ## Mounting, integration, and panel fit Clip-on mounting on a DIN rail (35 mm symmetrical rail per EN 60715). The 18 mm width per pole (2 x 9 mm pitches) means this 1P+N unit occupies 18 mm of rail space — standard for a slim single-module MCB. Depth is 78 mm from the rail face to the front of the toggle, height 81 mm. The tunnel-type terminals accept 0.75 to 16 mm² rigid or 0.33 to 10 mm² flexible on both upstream and downstream sides; tightening torque is 2 N·m, wire strip length 13 mm. That terminal range covers everything from 1.5 mm² lighting circuits up to 10 mm² feeder tails. ## Durability and environmental limits Rated for 10,000 electrical cycles and 20,000 mechanical cycles under rated load — that's roughly 27 years of one operation per day on the mechanical side, or 13 years on the electrical side. Operating altitude is limited to 2000 m; above that, the air density drop reduces dielectric strength and cooling, so derating applies.","metaTitle":"Schneider Electric A9N21571 iDPN N MCB, 40 A, D Curve, 6 kA,","metaDescription":"Schneider Electric A9N21571 iDPN N miniature circuit breaker, 40 A rated current, D curve, 6 kA breaking capacity at 230 V AC, 1P+N, thermal-magnetic trip, clip-on DIN rail mount.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["1-Pole MCB (DIN Rail)"],"specifications":{"Depth":"78 mm","Range":"Clario","Width":"18 mm","Colour":"White","Height":"81 mm","Standards":"EN/IEC 60898-1","Curve code":"D","9 Mm Pitches":"2","Control type":"Toggle","Network type":"AC","Product name":"IDPN","Mounting mode":"Clip-on","Tropicalisation":"2 conforming to IEC 60068-1","lifecycle_stage":"current","Limitation class":"3 conforming to EN/IEC 60898-1","Local signalling":"ON/OFF indication","Mounting support":"DIN rail","Neutral position":"Left","Pollution degree":"3 conforming to IEC 60947-1","Range of product":"Clario","Breaking capacity":"6000 A Icn at 230 V AC 50/60 Hz conforming to EN/IEC 60898-1","Device short name":"iDPN N","Network frequency":"50/60 Hz","Poles description":"1P + N","Relative humidity":"95 % at 55 °C","Tightening torque":"2 N.m","Device application":"Distribution","Operating altitude":"2000 m","[In] rated current":"40 A","Trip unit technology":"Thermal-magnetic","Electrical durability":"10000 cycles","Mechanical durability":"20000 cycles","Wire stripping length":"13 mm","Connections - terminals":"Tunnel type terminals downstream 0.33...10 mm² flexible Tunnel type terminals downstream 0.75...16 mm² rigid Tunnel type terminals upstream 0.33...10 mm² flexible Tunnel type terminals upstream 0.75...16 mm² rigid","IP degree of protection":"IP20 conforming to IEC 60529","Magnetic tripping limit":"10...14 x In","Earth-leakage protection":"Separate block","Number of protected poles":"1","Product or component type":"Miniature circuit-breaker","Suitability for isolation":"Yes","Contact position indicator":"Yes","Locking options description":"Padlocking device","[Ui] rated insulation voltage":"400 V AC 50/60 Hz conforming to IEC 60947-2","[Ue] rated operational voltage":"230 V AC 50/60 Hz between phase and neutral","Ambient air temperature for storage":"-40...70 °C","Ambient air temperature for operation":"-25...70 °C","[Ics] rated service breaking capacity":"6000 A 100 % x Icn at 230 V AC 50/60 Hz conforming to EN/IEC 60898-1","[Uimp] rated impulse withstand voltage":"4 kV conforming to IEC 60947-2"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://www.se.com/nl/en/product/A9N21571/idpn-circuit-breaker-idpn-n-1p-+-n-40a-d-curve/","alternativesUrl":"https://aoctrl.com/api/mcp/products/A9N21571/alternatives.json"},"ai":{"faq":[{"question":"What is A9N21571's listed range (Clario) on this component line?","answer":"The A9N21571 belongs to the Clario range of products, specifically the iDPN N miniature circuit breaker series. Clario is Schneider Electric's residential and small commercial distribution range."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/schneider/A9N21571","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/A9N21571 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}}