{"product_id":"3hp-480v-delta-vfd022el43a-three-phase-variable-frequency-drive","title":"3HP 480V Delta VFD022EL43A Three-Phase Variable Frequency Drive","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong style=\"color: #0056b3;\"\u003eVFD022EL43A\u003c\/strong\u003e is a rugged, highly efficient micro-type AC motor drive engineered within Delta’s high-performance VFD-EL Series. Built specifically to optimize medium-duty 3-phase applications, this 3 HP (2.2 kW) variable frequency inverter provides stable velocity modulation for demanding automation equipment like commercial mixers, automated pumps, material conveyors, and exhaust fans. It operates smoothly on a 3-phase 380 to 480 V AC input line, delivering a steady 5.5 A output. Utilizing a highly compact Frame B footprint and a lightweight structure weighing only 1.5 kg (3.31 lbs), it delivers high power density for dense electrical enclosure lay-outs.\u003c\/p\u003e\n\n\u003ch2\u003eCore Technical Advantages\u003c\/h2\u003e\n\u003ch3\u003eOptimized Frame B Footprint\u003c\/h3\u003e\n\u003cp\u003eThe specialized Frame B housing maintains a narrow width of just 3.94 inches, allowing high-density side-by-side configurations on standard DIN rails. This compact geometry drastically cuts panel space requirements while supporting an upgraded 3 HP power delivery.\u003c\/p\u003e\n\n\u003ch3\u003eFlexible Braking Architectures\u003c\/h3\u003e\n\u003cp\u003eThe drive integrates a native dynamic braking transistor combined with high-performance DC Injection braking control. This combination allows the inverter to halt high-inertia loads rapidly and safely, providing exceptional cycle precision across intermittent assembly lines.\u003c\/p\u003e\n\n\u003ch3\u003eHigh-Speed Scalar Performance\u003c\/h3\u003e\n\u003cp\u003eSupporting an adjustable output frequency up to 600 Hz, the open-loop V\/Hz (Scalar) control system ensures accurate torque compensation and smooth speed curves for high-speed spindles and specialized manufacturing machinery.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin: 15px 0;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color: #f2f2f2; border-bottom: 2px solid #ddd;\"\u003e\n      \u003cth style=\"padding: 10px; text-align: left; border: 1px solid #ddd;\"\u003eParameter\u003c\/th\u003e\n      \u003cth style=\"padding: 10px; text-align: left; border: 1px solid #ddd;\"\u003eSpecification Details\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eDelta Products (VFD-EL Series)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eVFD022EL43A\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eMotor Power Rating\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3.0 HP \/ 2.2 kW\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eRated Output Amps (CT)\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e5.5 Amps\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eNominal Input VAC\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e480 Volts AC (Accepts 380–480 V)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eInput Phase\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3-Phase\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eDevice Net Weight\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e1.5 kg (3.31 lbs)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eEnclosure Rating\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eIP20\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eDimensions (H × W × D)\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e6.85 × 3.94 × 5.35 Inches\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eInstallation and Maintenance\u003c\/h2\u003e\n\u003ch3\u003eEnclosure Thermal Layouts\u003c\/h3\u003e\n\u003cp\u003eThe IP20 open-type chassis must sit within a clean, climate-controlled cabinet environment free from oil mist, moisture, and conductive metal shavings. Keep a minimum vertical clearance of 50 mm above and below the Frame B module to allow heat from the cooling fans to escape properly.\u003c\/p\u003e\n\n\u003ch3\u003ePower Integration Rules\u003c\/h3\u003e\n\u003cp\u003eTerminate incoming 3-phase mains wires exclusively to input terminals R, S, T. Wire the motor leads directly to terminals U, V, W. Never introduce utility AC lines to the U, V, W outputs, or the internal power semiconductor components will suffer irreversible catastrophic failure.\u003c\/p\u003e\n\n\u003ch3\u003eDynamic Braking Setup\u003c\/h3\u003e\n\u003cp\u003eFor operations involving abrupt stops or vertical overhauling loads, connect an external braking resistor across the specialized internal braking block terminals. This prevents internal DC bus overvoltage faults ($OV$) from tripping the system off-line during sudden ramp changes.\u003c\/p\u003e\n\n\u003ch2\u003eEngineering Advantages\u003c\/h2\u003e\n\u003ch3\u003eOnboard Operator Controls\u003c\/h3\u003e\n\u003cp\u003eThe built-in human-machine interface includes a clear digital parameter screen and an indexed programming dial. This allows plant electricians to modify speed curves, monitor running amperage, and pull historical fault logs directly on the shop floor without secondary service computers.\u003c\/p\u003e\n\n\u003ch3\u003eStreamlined V\/Hz Regulation\u003c\/h3\u003e\n\u003cp\u003eBy optimizing high-demand open-loop scalar algorithms, this drive offers automatic torque boosting, multi-step operations, and integrated electronic thermal protection without the high cost overhead of advanced vector-drive systems.\u003c\/p\u003e\n\n\u003ch3\u003eActive Circuit Defense\u003c\/h3\u003e\n\u003cp\u003eOnboard firmware elements actively check for overcurrent, overvoltage, low input voltage, and ground leaks. If a fault is found, the inverter trips instantly to protect both the internal electronic components and the motor winding insulation.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical FAQs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: What is the main structural difference between Frame A models and this Frame B module?\u003c\/strong\u003e\u003cbr\u003e\nA1: Frame B units handle higher continuous current loads (up to 5.5 A) and feature a wider physical package (3.94 inches vs. 2.83 inches) along with a larger cooling fan assembly to manage the extra heat generated by 3 HP motor loads.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ2: Can this 3-phase drive be run temporarily on a single-phase AC input supply?\u003c\/strong\u003e\u003cbr\u003e\nA2: No. Operating this model on single-phase lines will cause rapid overheating of the input rectifier bridge and uneven strain on the DC bus capacitors. The system will safely trip on an input phase loss fault ($PHL$) to prevent hardware failure.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ3: How do I avoid acceleration stall faults when running heavy conveyor loads?\u003c\/strong\u003e\u003cbr\u003e\nA3: If the drive trips on overcurrent or stalls at startup, increase the acceleration time parameter ($ACC$) to give the drive more time to ramp up, or fine-tune the auto-torque boost configuration to supply more voltage at low speeds.\u003c\/p\u003e","brand":"Delta","offers":[{"title":"Default Title","offer_id":51887700279428,"sku":"VFD022EL43A","price":155.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/7454\/7844\/files\/VFD022EL43A-1.jpg?v=1779721117","url":"https:\/\/www.etowonauto.com\/products\/3hp-480v-delta-vfd022el43a-three-phase-variable-frequency-drive","provider":"Etowon Auto","version":"1.0","type":"link"}