Variable Frequency Drives

Variable Frequency Drives (VFDs) control AC motor speed by adjusting output frequency and voltage. Used across industrial and commercial applications, VFDs help improve process control, reduce startup stress, and support efficient operation for pumps, fans, conveyors, compressors, and other motor-driven systems.

Shop VFDs by voltage, phase, horsepower, enclosure, and application requirements, plus related categories such as AC VFDs, Medium Voltage VFDs, and VFD Accessories.

Still have questions about VFDs or how they work? Visit our Variable Frequency Drive FAQ for answers to our most commonly received questions.

Need help selecting the right VFD? Contact our team here or call us at 1-800-800-2261 for assistance with voltage, phase, horsepower, enclosure type, and application requirements.

  • ABB logo ABB ACH550 VFD, 50HP, 72A, 460V (ACH550-UH-072A-4)

    ABB ACH550 VFD, 50HP, 72A, 460V (ACH550-UH-072A-4)

    • Weight:
      24.00 LBS
    Out Of Stock
    Online Price: $4,100.00
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  • ABB logo ABB ACH550 VFD, 1.5HP, 3.3A, 460V (ACH550-UH-03A3-4)

    ABB ACH550 VFD, 1.5HP, 3.3A, 460V (ACH550-UH-03A3-4)

    • Weight:
      6.49 LBS
    Out Of Stock
    Online Price: $610.00
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  • ABB logo ABB ACH550 VFD, 20HP, 31A, 460V (ACH550-UH-031A-4)

    ABB ACH550 VFD, 20HP, 31A, 460V (ACH550-UH-031A-4)

    • Weight:
      16.01 LBS
    Out Of Stock
    Online Price: $1,816.00
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  • SIEMENS logo Image coming soon

    615 A, 6600 V, Siemens ROBICON Perfect Harmony GenIIIe VFD (6SR3102-7.K48-0..0)

    • Weight:
      0.01 LBS
    Out Of Stock
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  • SIEMENS logo Image coming soon

    500A, 6600V, Siemens ROBICON Perfect Harmony GenIIIe VFD (6SR3102-7.J47-0..0)

    • Weight:
      0.01 LBS
    Out Of Stock
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  • SIEMENS logo Image coming soon

    375A, 6600V, Siemens ROBICON Perfect Harmony GenIIIe VFD (6SR3102-7.H45-0..0)

    • Weight:
      0.01 LBS
    Out Of Stock
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  • SIEMENS logo Image coming soon

    315A, 6600V, Siemens ROBICON Perfect Harmony GenIIIe VFD (6SR3102-7.G45-0..0)

    • Weight:
      0.01 LBS
    Out Of Stock
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  • SIEMENS logo Image coming soon

    200A, 6600V, Siemens ROBICON Perfect Harmony GenIV VFD (6SR4102-2.E43-0..0)

    • Weight:
      0.01 LBS
    Out Of Stock
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  • SIEMENS logo Image coming soon

    140A, 6600V, Siemens ROBICON Perfect Harmony GenIV VFD (6SR4102-2.D42-0..0)

    • Weight:
      0.01 LBS
    Out Of Stock
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  • SIEMENS logo Image coming soon

    100A, 6600V, Siemens ROBICON Perfect Harmony GenIV VFD (6SR4102-2.C41-5..0)

    • Weight:
      0.01 LBS
    Out Of Stock
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  • SIEMENS logo Image coming soon

    40A, 6600V, Siemens ROBICON Perfect Harmony GenIV VFD (6SR4102-2.A36-0..0)

    • Weight:
      0.01 LBS
    Out Of Stock
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  • SIEMENS logo Image coming soon

    630A, 6000V, Siemens ROBICON Perfect Harmony GenIIIe VFD (6SR3102-5.K48-0..0)

    • Weight:
      0.01 LBS
    Out Of Stock
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