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    AI Overview
    The Delta VFD004EL21A is a compact, 0.5 HP (0.4 kW) Variable Frequency Drive from the VFD-EL series, designed for 230V single-phase input and 3-phase output. It operates at
    0.1
    ∼600
    Hz
    , features built-in PID, EMI filters, and RS-485 Modbus communication, making it ideal for small fans, pumps, and conveyors. 
    Key Specifications & Features 
    • Power/Voltage: 0.5 HP (0.4 kW) / 230V Single-Phase Input / 3-Phase Output.
    • Current Rating: 2.5 A.
    • Frequency Range: 0.1 – 600 Hz.
    • Control Method: V/f control (3-point adjustable).
    • Keypad/Display: Built-in digital keypad with potentiometer.
    • Communication: RJ-45 RS-485 interface (Modbus).
    • Protection: IP20 rating, overvoltage, overcurrent, and overload protection.
    • Installation: DIN rail or surface mounting. 
    Common Applications 
    • Small fans and blowers
    • Small pumps
    • Conveyor belts
    • DIY machinery 
    Available Sources 
    • DigiKey: Industrial automation supplier for new units.
    • VFDs.com: Product specs and direct purchasing.
    • Amazon / eBay: Various listings for new, in-box units. 
    The VFD-EL series is recognized for being a multifunctional, high-quality, and easy-to-install, space-saving drive. 
    • 0.5HP 1/2 HP VFD004EL21A Variable Frequency Drive VFD ...
      0.5HP 1/2 HP VFD004EL21A Variable Frequency Drive VFD, Delta · 1/2 HP, 230V 1 PH Input · 230V 3 PH Output · 2.5 FLA, IP20 · Output...
      Trillium Controls Inc.
    • 0.5HP 230V Delta VFD-EL VFD, Inverter, AC Drive VFD004EL21A
      The Delta VFD004EL21A is a 0.5 HP, 230 V AC drive. It has the following specifications: * **Width** 2.83 in * **Depth** 5.36 in Th...
      VFDs.com
    • Delta VFD004EL21A 1PCS NEW Inverter - eBay
      Product information: Delta VFD004EL21A VFD-EL Series Inverter * Product Type: 0.4kW (0.5HP) single-phase AC variable frequency dri...
      eBay
    • Delta Drive | VFD EL Series VFD004EL21A | Unboxing
      May 27, 2022 — start stop terminals etc now I'm going to open the box this box contents this it breaking is also very smooth. now I'm going to op...
      1m
      YouTube·PowerfactorShop
    • VFD004EL21A Delta Electronics/Industrial Automation - DigiKey
      Buy now, ships today. VFD004EL21A - Variable Frequency Drive 2.5A 400 W Chassis Mount, DIN Rail from Delta Electronics/Industrial ...
      DigiKey
    • 1PCS VFD004EL21A Frequency Inverter 0.4kW 2.5A ... - Amazon.com
      Model:VFD004EL21A; Product Type:Frequency Inverter; Brand-new high-quality product, easy to install and durable! If you need other...
      www.amazon.com
    • NEW DELTA VFD Inverter Frequency converter VFD004EL21A ...
      NEW DELTA VFD Inverter Frequency converter VFD004EL21A 400w 0.5HP 1PHASE 220V. W. Wait Automation (4346). 98.6% positive feedback.
      www.ebay.com
    • 0.5HP 1/2 HP VFD004EL21A Variable Frequency Drive VFD ...
      0.5HP 1/2 HP VFD004EL21A Variable Frequency Drive VFD, Delta · 1/2 HP, 230V 1 PH Input · 230V 3 PH Output · 2.5 FLA, IP20 · Output...
      Trillium Controls Inc.
    • 0.5HP 230V Delta VFD-EL VFD, Inverter, AC Drive VFD004EL21A
      The Delta VFD004EL21A is a 0.5 HP, 230 V AC drive. It has the following specifications: * **Width** 2.83 in * **Depth** 5.36 in Th...
      VFDs.com
    • Delta VFD004EL21A 1PCS NEW Inverter - eBay
      Product information: Delta VFD004EL21A VFD-EL Series Inverter * Product Type: 0.4kW (0.5HP) single-phase AC variable frequency dri...
      eBay
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    0.5HP 230V Delta VFD-EL VFD, Inverter, AC Drive ...


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    VFDs.com
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    https://www.digikey.com › products › detail › VFD004...
    DigiKey
    https://www.digikey.com › products › detail › VFD004...
    Buy now, ships today. VFD004EL21A - Variable Frequency Drive 2.5A 400 W Chassis Mount, DIN Rail from Delta Electronics/Industrial Automation.
    $6.99 delivery · 30-day returns

    0.5HP 1/2 HP VFD004EL21A Variable Frequency Drive ...


    Trillium Controls Inc.
    https://www.trilliumcontrols.com › product › 1-2-hp-vf...
    Trillium Controls Inc.
    https://www.trilliumcontrols.com › product › 1-2-hp-vf...
    0.5HP 1/2 HP VFD004EL21A Variable Frequency Drive VFD, Delta · 1/2 HP, 230V 1 PH Input · 230V 3 PH Output · 2.5 FLA, IP20 · Output frequency: 0.1 ~ 600Hz ...Read more
    $331.21 · In stock · Free delivery
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    New Original Delta Frequency Inverter VFD004EL21A Supplier, Hot ...


    henengindustry.com
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    It is designed to control the speed and performance of AC induction motors. The VFD004EL21A has a maximum power capacity of 0.4 kW and supports various control ...

    V F D -E L S e rie s U s e r M a n u a l


    Delta AC Drives
    https://deltaacdrives.com › Delta-VFD-EL-Series-...
    Delta AC Drives
    https://deltaacdrives.com › Delta-VFD-EL-Series-...
    PDF
    The VFD-EL Series is manufactured with high- quality components and materials and incorporate the latest microprocessor technology available. This manual is to ...Read more
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    Delta VFD-EL inverter AC230V 1-phase VFD004EL21A Frequency converter 0.4KW 0.5HP in box. 1 sold. US $104.00. Tax excluded, add at checkout if applicable.Read more
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    Web results

    VFD004EL21A Delta Group Electronics AC VFD Variable ...


    UpFix
    https://www.upfix.com › product › vfd004el21a-delta-...
    UpFix
    https://www.upfix.com › product › vfd004el21a-delta-...
    This is a repair service for VFD004EL21A Delta Group Electronics AC VFD Variable Frequency Drive Repair. UpFix is NOT an authorized distributor for Delta Group ...Read more
    $120.00 · In stock
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