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    Sunday, December 7, 2025 10:13:15 PM

    Recommended VFD for 3HP 230/ 460V Motor with 120V Power Supply

    27 days ago
    #599 Quote
    Hello everyone, I need a VFD to drive the following motor. I only have 120V AC single phase on site. Do you have a VFD that can do this?
    I may be able to provide 220V AC single phase if you cannot do this with 120V AC single phase. The motor specs are below:
    Power: 3 HP
    Frame Size: 213T
    Electrical: 230 / 460 Volts, 3 Phase, 60Hz
    Motor Speed: 1150 rpm
    Motor Efficiency: Inverter Duty Premium Efficiency
    Motor Enclosure: TEFC - Baldor Explosion Proof
    Conduit Box: F1 Floor Mount w/ Box on Left (Standard)
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    27 days ago
    #600 Quote
    Elias wrote:
    Hello everyone, I need a VFD to drive the following motor. I only have 120V AC single phase on site. Do you have a VFD that can do this?
    I may be able to provide 220V AC single phase if you cannot do this with 120V AC single phase. The motor specs are below:
    Power: 3 HP
    Frame Size: 213T
    Electrical: 230 / 460 Volts, 3 Phase, 60Hz
    Motor Speed: 1150 rpm
    Motor Efficiency: Inverter Duty Premium Efficiency
    Motor Enclosure: TEFC - Baldor Explosion Proof
    Conduit Box: F1 Floor Mount w/ Box on Left (Standard)

    Hi Elias, we recommend 5hp VFD, Single Phase 120V Input, 3ph 220V Output, and SKU: GK3000-SP1S1-004.
    You can check the full specs here: https://www.ato.com/5hp-vfd-single-phase-120v-input-1-phase-3-phase-220v-output
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    ATO.com
    27 days ago
    #601 Quote
    I’ve used that exact ATO VFD (GK3000 series) on a 3HP motor before. It works perfectly on a 120V single phase input. Just make sure you size it one step higher than the motor rating, which you already did by choosing the 5HP model. Cooling and wiring are straightforward.
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    26 days ago
    #602 Quote
    Thanks everyone! That clears things up. I’ll go ahead with the 5HP VFD model. Appreciate the help!
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