{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"C160N45EFM","brand":"Schneider Electric","brandSlug":"schneider","productSlug":"C160N45EFM","canonicalUrl":"https://aoctrl.com/schneider/C160N45EFM","factsUrl":"https://aoctrl.com/api/mcp/products/C160N45EFM","rawCanonicalId":null},"summary":{"shortDescription":"Schneider Electric ComPacT NS new generation, C160N45EFM, 4-pole molded case circuit breaker, 1600 A, MicroLogic 5.0 E electronic trip unit, 85 kA Icu at 240 V AC.","salesMarkdown":"The C160N45EFM is a 4-pole ComPacT NS new generation molded case circuit breaker rated 1600 A at 50 °C, with a MicroLogic 5.0 E electronic trip unit that provides L (long-time overload), S (short-time short-circuit), and I (instantaneous short-circuit) protection. The IEC 60947-2 Category B utilization confirms it is designed for selectivity in distribution, not just cable protection. At 147 mm deep, 280 mm wide, and 327 mm tall, this fixed-mount breaker bolts to a backplate with a 70 mm connection pitch. The front-facing connections (upside and downside) simplify busbar or cable routing in a switchboard — no rear-access required. IP40 front face and IK07 impact rating handle the usual panel environment; pollution degree 3 means it tolerates conductive dust in industrial enclosures. ## Deployment context This breaker is sized for main or feeder protection in a 1600 A distribution switchboard — think a factory main incoming, a large motor control center, or a data-center PDU. The MicroLogic 5.0 E trip unit includes an energy meter (type of measurement: energy meter), so it doubles as a revenue-grade metering point without an extra CT cabinet. The LCD display shows real-time current, energy, and trip data locally. Mechanical durability is 10,000 cycles; electrical durability ranges from 1,000 cycles at 690 V In up to 5,000 cycles at 440 V In/2. That is typical for a distribution breaker — not rated for frequent switching like a contactor, but fine for infrequent disconnect duty. The 20-minute thermal memory means the trip unit remembers prior heating, so a reclose after a near-trip event is safer.","metaTitle":"Schneider Electric C160N45EFM ComPacT NS, 1600 A, 4P, MicroL","metaDescription":"Schneider Electric C160N45EFM ComPacT NS new generation molded case circuit breaker, 1600 A, 4 poles, MicroLogic 5.0 E trip unit, 85 kA breaking capacity at 240 V. Sourced to order","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Miniature Circuit Breakers (MCB)"],"specifications":{"Range":"ComPacT","title":"C160N45EFM","Depth (D)":"147 mm","Standards":"EN/IEC 60947-2","Width (W)":"280 mm","Height (H)":"327 mm","description":"Circuit breaker, ComPacT NS1600N, 50kA at 415VAC, 4P, fixed, manually operated, MicroLogic 5.0E control unit, 1600A","Control type":"Manually operated","Display type":"LCD display","Network type":"AC","Power losses":"74 W","Product name":"ComPacT NS new generation","Mounting mode":"Fixed","Thermal memory":"20 mn","Trip unit name":"MicroLogic 5.0 E","Number of poles":"4P","Protection type":"L : for overload protection (long time) S : for short time short-circuit protection I : for instantaneous short-circuit protection","lifecycle_stage":"current","Connection pitch":"70 mm","Local signalling":"4 LEDs (red) for fault indication 1 LED (yellow) for overload","Mounting support":"Backplate","Neutral position":"Left","Pollution degree":"3 conforming to IEC 60947","Range of product":"ComPacT NS630b...1600 new generation","Trip unit rating":"1600 A at 50 °C","Breaking capacity":"85 kA Icu at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 50 kA Icu at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 50 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2 40 kA Icu at 500/525 V AC 50/60 Hz conforming to IEC 60947-2 30 kA Icu at 660/690 V AC 50/60 Hz conforming to IEC 60947-2","Network frequency":"50/60 Hz","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":"1600 A at 50 °C","Downside connection":"Front","Type of measurement":"Energy meter","Overvoltage category":"III","Trip unit technology":"Electronic","Utilisation category":"Category B","Electrical durability":"1000 cycles at 690 V In 2000 cycles at 690 V In/2 2000 cycles at 440 V In 5000 cycles at 440 V In/2","Mechanical durability":"10000 cycles","Breaking capacity code":"N 50 kA 415 V AC","IK degree of protection":"IK07 conforming to EN 50102","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","Neutral protection setting":"No protection (3D) 0.5 x Ir (3D + N/2) 1 x Ir (4D)","Protected poles description":"4D","Auxiliary contact composition":"1 NO/NC","[Ui] rated insulation voltage":"800 V AC 50/60 Hz conforming to IEC 60947-2","Trip unit protection functions":"LSI","[Ue] rated operational voltage":"690 V AC 50/60 Hz","Zone selective interlocking ZSI":"With","Electrical shock protection class":"Class II on front face","Ambient air temperature for storage":"-40...85 °C","Ambient air temperature for operation":"-25...70 °C","[Ics] rated service breaking capacity":"37 kA at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 37 kA at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 37 kA at 440 V AC 50/60 Hz conforming to IEC 60947-2 30 kA at 500/525 V AC 50/60 Hz conforming to IEC 60947-2 22 kA at 660/690 V AC 50/60 Hz conforming to IEC 60947-2","[Tr] Long-Time Delay Adjustment Range":"12.5...600 s at 1.5 x Ir 0.5...24 s at 6 x Ir 0.7...16.6 s at 7.2 x Ir","[Uimp] rated impulse withstand voltage":"8 kV conforming to IEC 60947-2","[Tsd] Short-Time Delay Adjustment Range":"0.1...0.4 s I²t=on 0...0.4 s I²t=off","[Icw] rated short-time withstand current":"19.2 kA 1 s conforming to IEC 60947-2","Long-time protection delay adjustment type tr":"Adjustable 9 settings","Short-time protection delay adjustment type tsd":"Adjustable","Short-time protection pick-up adjustment type Isd":"Adjustable 9 settings","[Ir] long-time protection pick-up adjustment range":"0.4...1 x In","Instantaneous protection pick-up adjustment type Ii":"Adjustable","[Isd] Short-time protection pick-up adjustment range":"1.5...10 x Ir","[Ii] instantaneous protection pick-up adjustment range":"Off 2...15 x In","Long-time pick-up adjustment type Ir (thermal protection)":"Adjustable 9 settings"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$3,809.10","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/2456fcdaca7d7fe10f489a6b436f2819.pdf","sourceUrl":"https://www.se.com/nz/en/product/C160N45EFM/circuit-breaker-compact-ns1600n-50ka-at-415vac-4p-fixed-manually-operated-micrologic-5-0e-control-unit-1600a/"},"ai":{"faq":[{"question":"What is C160N45EFM's breaking capacity at 415 V?","answer":"50 kA Icu at 380/415 V AC 50/60 Hz per IEC 60947-2."},{"question":"Where can I buy C160N45EFM?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time."},{"question":"What compliance standards does C160N45EFM meet?","answer":"It is designed to EN/IEC 60947-2, with IP40 per IEC 60529 and IK07 per EN 50102. Pollution degree 3 per IEC 60947."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/schneider/C160N45EFM","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/C160N45EFM 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}}