{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"A9F08120","brand":"Schneider Electric","brandSlug":"schneider","productSlug":"A9F08120","canonicalUrl":"https://aoctrl.com/schneider/A9F08120","factsUrl":"https://aoctrl.com/api/mcp/products/A9F08120","rawCanonicalId":null},"summary":{"shortDescription":"Schneider Electric Acti9 iC60H, miniature circuit breaker, 1P, 20 A, D curve, 42 kA Icu at 12-60 V AC, DIN rail mount, thermal-magnetic.","salesMarkdown":"## What it is and what it does The Schneider Electric A9F08120 is a single-pole Acti9 iC60H miniature circuit breaker rated at 20 A with a D tripping curve. It is a thermal-magnetic MCB designed for distribution applications, mounted on a DIN rail in a standard 18 mm width (2 x 9 mm pitches). The D curve means the magnetic trip operates at 12 x In (±20 %), so it tolerates the high inrush currents typical of motor, transformer, or lighting ballast loads without nuisance tripping. This makes it a fit for circuits feeding inductive or capacitive loads where a B or C curve would trip on startup. Breaking capacity is 42 kA Icu at 12-60 V AC (50/60 Hz) per EN/IEC 60947-2, and 10 kA Icn at 230 V AC per EN/IEC 60898-1. The part is certified to both standards, so it can be specified for industrial panel protection (60947-2) or residential/commercial final circuits (60898-1). ## Where it goes and how it connects Snaps onto a DIN rail, 18 mm wide — one module width in a standard distribution board or industrial enclosure. Double terminals top and bottom accept 1-25 mm² rigid or 1-16 mm² flexible wire; torque to 2 N·m. Wire strip length is 14 mm. IP20 finger-safe protection (suitable for enclosed panels only). Pollution degree 3 and overvoltage category IV mean it is rated for the harsh electrical environment typical of industrial main distribution panels. Rated insulation voltage 500 V AC, so it can be used in 400 V three-phase systems with confidence. The toggle switch includes a trip indicator and a contact position indicator for visual fault isolation.","metaTitle":"Schneider Electric A9F08120 Acti9 iC60H MCB, 20 A, D Curve,","metaDescription":"Schneider Electric A9F08120 Acti9 iC60H miniature circuit breaker, 20 A rated current, D curve, 1-pole, 42 kA Icu breaking capacity at 12-60 V AC. DIN rail mount, thermal-magnetic","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["1-Pole MCB (DIN Rail)"],"specifications":{"Depth":"78.5 mm","Range":"Acti9","Width":"18 mm","Colour":"White","Height":"91 mm","Standards":"EN/IEC 60947-2 EN/IEC 60898-1","Curve code":"D","9 Mm Pitches":"2","Control type":"Toggle","Network type":"DC AC","Product name":"Acti9 iC60","Tropicalisation":"2 conforming to IEC 60068-1","lifecycle_stage":"current","Limitation class":"3 conforming to EN/IEC 60898-1","Local signalling":"Trip indicator","Mounting support":"DIN rail","Pollution degree":"3 conforming to EN/IEC 60947-2","Breaking capacity":"42 kA Icu at 12...60 V AC 50/60 Hz conforming to EN/IEC 60947-2 30 kA Icu at 100...133 V AC 50/60 Hz conforming to EN/IEC 60947-2 15 kA Icu at 220...240 V AC 50/60 Hz conforming to EN/IEC 60947-2 20 kA Icu at 12...60 V DC conforming to EN/IEC 60947-2 15 kA Icu at 60...72 V DC conforming to EN/IEC 60947-2 10000 A Icn at 230 V AC 50/60 Hz conforming to EN/IEC 60898-1","Device short name":"iC60H","Network frequency":"50/60 Hz","Poles description":"1P","Relative humidity":"95 % at 55 °C","Tightening torque":"2 N.m top or bottom","Device application":"Distribution","[In] rated current":"20 A","Overvoltage category":"IV","Trip unit technology":"Thermal-magnetic","Utilisation category":"Category A conforming to EN/IEC 60947-2","Electrical durability":"10000 cycles","Mechanical durability":"20000 cycles","Wire stripping length":"14 mm for top or bottom connection","Connections - terminals":"Double terminal (top or bottom) 1...25 mm² rigid Double terminal (top or bottom) 1...16 mm² flexible","IP degree of protection":"IP20 conforming to IEC 60529","Magnetic tripping limit":"12 x In +/- 20 %","Earth-leakage protection":"Without","Number of protected poles":"1","Product or component type":"Miniature circuit-breaker","Suitability for isolation":"Yes conforming to EN/IEC 60947-2 Yes conforming to EN/IEC 60898-1","Contact position indicator":"Yes","[Ui] rated insulation voltage":"500 V AC 50/60 Hz conforming to EN/IEC 60947-2","Ambient air temperature for storage":"-40...85 °C","Ambient air temperature for operation":"-35...70 °C","[Ics] rated service breaking capacity":"21 kA 50 % conforming to EN/IEC 60947-2 - 12...60 V AC 50/60 Hz 15 kA 50 % conforming to EN/IEC 60947-2 - 100...133 V AC 50/60 Hz 7.5 kA 50 % conforming to EN/IEC 60947-2 - 220...240 V AC 50/60 Hz 20 kA 100 % conforming to EN/IEC 60947-2 - 12...60 V DC 15 kA 100 % conforming to EN/IEC 60947-2 - 60...72 V DC","[Uimp] rated impulse withstand voltage":"6 kV conforming to EN/IEC 60947-2"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/615f8d7bae159cd186690e55125fcea0.pdf","sourceUrl":"https://www.se.com/sg/en/product/A9F08120/miniature-circuit-breaker-mcb-acti9-ic60h-1p-20a-d-curve-10000a-iec-608981-15ka-iec-609472-double-term-/","alternativesUrl":"https://aoctrl.com/api/mcp/products/A9F08120/alternatives.json"},"ai":{"faq":[{"question":"What is the breaking capacity of A9F08120?","answer":"The breaking capacity is 42 kA Icu at 12-60 V AC (50/60 Hz) per EN/IEC 60947-2, and 10 kA Icn at 230 V AC per EN/IEC 60898-1."},{"question":"What is the D curve used for on this MCB?","answer":"The D curve trips magnetically at 12 x In (±20 %), making it suitable for circuits with high inrush currents such as motors, transformers, and lighting ballasts."},{"question":"Where can I buy A9F08120?","answer":"This part 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":"matrix-langgraph","citationUrl":"https://aoctrl.com/schneider/A9F08120","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/A9F08120 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}}