{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"C1647A160","brand":"Schneider Electric","brandSlug":"schneider","productSlug":"C1647A160","canonicalUrl":"https://aoctrl.com/schneider/C1647A160","factsUrl":"https://aoctrl.com/api/mcp/products/C1647A160","rawCanonicalId":null},"summary":{"shortDescription":"Schneider Electric ComPacT NSX series, MicroLogic 7.2 E AL electronic trip unit, 160 A at 40 °C, 4P, LSI protection with integrated earth-leakage, LCD display, EN/IEC 60947-2.","salesMarkdown":"The Schneider Electric C1647A160 is a MicroLogic 7.2 E AL electronic trip unit for the ComPacT NSX100...250 molded-case circuit breaker range. This is the brain that goes into the breaker frame; you order it separately and snap it into the NSX cradle. The LCD display gives local readout of metered values, protection settings, and event logs without needing a laptop. The 7.2 E AL sits above the basic thermal-magnetic trip units in the ComPacT family. Where a TM-D relies on a bimetal strip for overload and a solenoid for short-circuit, the MicroLogic 7.2 E AL uses a microprocessor to shape the time-current curve precisely — adjustable long-time pickup from 63 to 160 A, short-time delay from 0 to 0.4 s (I²t on or off), and instantaneous pickup that you set to coordinate downstream. The E AL suffix adds integrated earth-leakage sensing (adjustable IΔn via rotary switch), which a standard MicroLogic 7.2 E does not carry. If your panel requires earth-leakage detection at the breaker without a separate RCD module, this is the variant that saves the DIN rail slot. Mounts into the ComPacT NSX100...250 fixed or plug-in breaker cradle. The 4P version (C1647A160) occupies all four pole positions with the neutral on the left. Wiring the control power for the electronic trip unit is handled through the breaker's internal connections — no separate auxiliary supply needed. The LCD display and LED indicators (green for ready, red for overload at 105 % Ir, orange for 90 % Ir) are visible through the front cover window. Protection settings are adjusted via the front rotary dials and DIP switches; the thermal memory holds the thermal state for 20 minutes after a trip, so reclosure after a momentary overload does not reset the protection model prematurely. Rated operational voltage is 440 V AC at 50/60 Hz, pollution degree 3 per IEC 60947-1, IP40 front face. The trip unit communicates metering data — energy, power quality, demand values, time-stamped events — through the breaker's communication port (optional Modbus or wireless module required separately). It also logs earth-leakage current maximeters and minimeters. Neutral protection is selectable: 0.5 × Ir (3D + N/2), 1 × Ir (4D), or no protection (3D).","metaTitle":"Schneider Electric C1647A160 ComPacT NSX Trip Unit, 160 A, M","metaDescription":"Schneider Electric C1647A160 ComPacT NSX trip unit, 160 A at 40 °C, MicroLogic 7.2 E AL with LSI protection and integrated earth-leakage. Active production, quoted to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Residual Current Breakers (RCCB/RCBO)"],"specifications":{"Range":"ComPacT","title":"C1647A160","Standards":"EN/IEC 60947-2","description":"Trip unit MicroLogic Vigi 7.2E AL, ComPacT NSX160/250, 4P, basic protections, earth leakage alarm, energy meter, 160A","Display type":"LCD display","Network type":"AC","Thermal memory":"20 minutes before and after tripping","Trip unit name":"MicroLogic 7.2 E AL","Protection type":"L : for overload protection (long time) S : for short time short-circuit protection I : for instantaneous short-circuit protection","lifecycle_stage":"current","Local signalling":"Flashing LED (green) for ready to operate LED 105 % Ir (red) for overload LED 90 % Ir (orange) for overload","Neutral position":"Left","Pollution degree":"3 conforming to IEC 60947-1","Range of product":"ComPacT NSX100...250","Trip unit rating":"160 A at 40 °C","Network frequency":"50/60 Hz","Poles description":"4P","Device application":"Distribution","Type of measurement":"Energy meter","Trip unit technology":"Electronic","Communication of data":"Energy metering Maintenance indicators Time-stamped histories and event tables Protection and alarm settings Instantaneous and demand values Test reports Power quality Earth leakage current Maximeters/minimeters Demand current and power","IP degree of protection":"IP40 conforming to IEC 60529","Earth-leakage protection":"Integrated","Product or component type":"Trip unit","Neutral protection settings":"0.5 x Ir (3D + N/2) 1 x Ir (4D) No protection (3D)","Protected poles description":"3D + N/2 4D 3D","Circuit breaker mounting mode":"Fixed","Earth-leakage protection class":"Class A","Trip unit protection functions":"LSI","[Ue] rated operational voltage":"440 V AC 50/60 Hz","Zone selective interlocking ZSI":"Without","Electrical shock protection class":"Class II","Ambient air temperature for storage":"-40...85 °C","Ambient air temperature for operation":"-25...70 °C","Earth-leakage protection specific mode":"OFF using the IΔn rotary switch","Long-time protection delay adjustment type tr":"Adjustable","Short-time protection delay adjustment type tsd":"Adjustable","[Tr] Long-Time Protection Delay Adjustment Range":"15...400 s at 1.5 x Ir 0.35...11 s at 7.2 x Ir 0.5...16 s at 6 x Ir","Short-time protection pick-up adjustment type Isd":"Adjustable","[Ir] long-time protection pick-up adjustment range":"63...160 A","[tsd] Short-time protection delay adjustment range":"0...0.4 s I²t=off 0.1...0.4 s I²t=on","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":"1.5...15 x In","Earth-leakage protection sensitity adjustment type IΔn":"Adjustable","Earth-leakage protection time delay adjustement type Δt":"Adjustable","Long-time pick-up adjustment type Ir (thermal protection)":"Adjustable 9 settings","[Δt] Earth-leakage protection time delay adjustment range":"0 ms 60 ms 150 ms 500 ms 1 s","[IΔn] earth-leakage protection sensitivity adjustment range":"0.03 A 0.1 A 0.3 A 0.5 A 1 A 3 A 5 A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/b114ed130f7237f051cc034da337b02e.pdf","sourceUrl":"https://www.se.com/ph/en/product/C1647A160/trip-unit-micrologic-vigi-7-2e-al-compact-nsx160-250-4p-basic-protections-earth-leakage-alarm-energy-meter-160a/"},"ai":{"faq":[{"question":"What is the C1647A160 used for?","answer":"It is an electronic trip unit for the ComPacT NSX100...250 molded-case circuit breaker. It provides adjustable LSI protection (long-time, short-time, instantaneous) with integrated earth-leakage detection, plus energy metering and event logging via the LCD display."},{"question":"What protection functions does the MicroLogic 7.2 E AL offer?","answer":"It offers LSI protection: L for overload (long-time, adjustable 63–160 A), S for short-time short-circuit (adjustable delay 0–0.4 s with I²t on/off), and I for instantaneous short-circuit (adjustable pickup). Integrated earth-leakage protection is Class A with adjustable IΔn via rotary switch."},{"question":"Where can I buy the C1647A160?","answer":"The C1647A160 is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — submit an RFQ for a firm commitment."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/schneider/C1647A160","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/C1647A160 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}}