Variable Frequency Drives

A Variable Frequency Drive (VFD) is a type of motor controller that drives an electric motor by varying the frequency and voltage supplied to the electric motor. Other names for a VFD are variable speed drive, adjustable speed drive, adjustable frequency drive, AC drive, microdrive,and inverter.

VFDs.com is home to thousands of variable frequency drives in stock and ready to ship. Call us at 1-800-800-2261 if you would like help selecting a good drive for your motor and application. We are happy to help get you more information or you can read through some of our helpful articles in the Learning Center to help you understand what product you may need.

  • GALT ELECTRIC logo 700HP, 480V, Galt Electric G500 VFD (G540-08600HDUL-03)

    700HP, 480V, Galt Electric G500 VFD (G540-08600HDUL-03)

    • Model:
      G540-08600HDUL-03
    • Brand:
      GALT ELECTRIC
    • Product Condition:
      New
    • Warranty:
      3 Years
    • HP Rating @ 120% OL:
      700 HP
    • HP Rating @ 150% OL:
      700 HP
    • Amp Rating @ 120% OL:
      860 A
    • Amp Rating @ 150% OL:
      860 A
    • Rated Voltage:
      460 V
    • Output Voltage:
      460 V
    • Output Amperage Rating:
      860 A
    • Phase Rating:
      3 Phase Input - 3 Phase Output
    • Constant Torque / Variable Torque:
      Variable Torque/Constant Torque
    • Phase:
      Three Phase
    • Enclosure Rating:
      IP 20
    • Series:
      G500
    • Ambient Tempurature Rating:
      40 °C
    • Horsepower Rating:
      700 HP
    • Rated Amps:
      860 A
    • Weight:
      996.49 LBS
    Out Of Stock
    List Price:  $53,961.00
    Online Price: $40,470.95
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  • GALT ELECTRIC logo 450HP, 480V, Galt Electric G500 VFD (G540-05300UL-03)

    450HP, 480V, Galt Electric G500 VFD (G540-05300UL-03)

    • Model:
      G540-05300UL-03
    • Brand:
      GALT ELECTRIC
    • Product Condition:
      New
    • Warranty:
      3 Years
    • HP Rating @ 120% OL:
      450 HP
    • HP Rating @ 150% OL:
      400 HP
    • Amp Rating @ 120% OL:
      530 A
    • Amp Rating @ 150% OL:
      480 A
    • Rated Voltage:
      460 V
    • Output Voltage:
      460 V
    • Output Amperage Rating:
      530 A
    • Phase Rating:
      3 Phase Input - 3 Phase Output
    • Constant Torque / Variable Torque:
      Variable Torque/Constant Torque
    • Phase:
      Three Phase
    • Enclosure Rating:
      IP 20
    • Series:
      G500
    • Ambient Tempurature Rating:
      40 °C
    • Rated Amps:
      530 A
    • Horsepower Rating:
      400 HP
    • Horsepower Rating:
      450 HP
    • Weight:
      687.84 LBS
    Out Of Stock
    List Price:  $26,561.00
    Online Price: $19,920.95
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  • GALT ELECTRIC logo 60HP, 240V, Galt Electric G500 VFD (G520-01600UL-03)

    60HP, 240V, Galt Electric G500 VFD (G520-01600UL-03)

    • Model:
      G520-01600UL-03
    • Brand:
      GALT ELECTRIC
    • Product Condition:
      New
    • Warranty:
      3 Years
    • HP Rating @ 150% OL:
      60 HP
    • Amp Rating @ 150% OL:
      160 A
    • Rated Voltage:
      230 V
    • Output Voltage:
      230 V
    • Output Amperage Rating:
      160 A
    • Phase Rating:
      3 Phase Input - 3 Phase Output
    • Constant Torque / Variable Torque:
      Constant Torque
    • Phase:
      Three Phase
    • Enclosure Rating:
      IP 20
    • Series:
      G500
    • Ambient Tempurature Rating:
      40 °C
    • Horsepower Rating:
      60 HP
    • Rated Amps:
      160 A
    • Weight:
      125.66 LBS
    Out Of Stock
    List Price:  $5,679.00
    Online Price: $4,258.95
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  • Delta logo 20HP 575V Delta VFD-B VFD, Inverter, AC Drive VFD150B53A (VFD150B53A)

    20HP 575V Delta VFD-B VFD, Inverter, AC Drive VFD150B53A (VFD150B53A)

    • Model:
      VFD150B53A
    • Brand:
      Delta
    • Product Condition:
      New
    • Warranty:
      1 Year
    • Horsepower Rating:
      20 HP
    • HP Rating @ 150% OL:
      20 HP
    • Rated Amps:
      22 A
    • Amp Rating @ 150% OL:
      22 A
    • Rated Voltage:
      575 V
    • Rated Input Frequency:
      60 Hz
    • Output Voltage:
      575 V
    • Output Amperage Rating:
      22 A
    • Phase Rating:
      3 Phase Input - 3 Phase Output
    • Constant Torque / Variable Torque:
      Constant Torque
    • Phase:
      Three Phase
    • Enclosure Rating:
      IP 20
    • Series:
      VFD-B
    • Weight:
      28.70 LBS
    In Stock
    Online Price: $1,187.50
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  • Delta logo 25HP 690V Delta CP2000 VFD, Inverter, AC Drive VFD185CP63A-21 (VFD185CP63A-21)

    25HP 690V Delta CP2000 VFD, Inverter, AC Drive VFD185CP63A-21 (VFD185CP63A-21)

    • Model:
      VFD185CP63A-21
    • Brand:
      Delta
    • Product Condition:
      New
    • Warranty:
      2 Year
    • Horsepower Rating:
      25 HP
    • HP Rating @ 120% OL:
      25 HP
    • Rated Amps:
      24 A
    • Amp Rating @ 120% OL:
      24 A
    • Rated Voltage:
      690 V
    • Rated Input Frequency:
      60 Hz
    • Output Voltage:
      690 V
    • Output Amperage Rating:
      24 A
    • Phase Rating:
      3 Phase Input - 3 Phase Output
    • Constant Torque / Variable Torque:
      Variable Torque
    • Phase:
      Three Phase
    • Enclosure Rating:
      IP 20
    • Frame Size:
      C
    • Series:
      CP2000
    • Weight:
      25.35 LBS
    In Stock
    List Price:  $1,654.00
    Online Price: $827.00
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  • Delta logo 60HP & 50HP 690V Delta C2000 VFD, Inverter, AC Drive VFD750C63B-00 (VFD750C63B-00)

    60HP & 50HP 690V Delta C2000 VFD, Inverter, AC Drive VFD750C63B-00 (VFD750C63B-00)

    • Model:
      VFD450C23A
    • Brand:
      Delta
    • Product Condition:
      New
    • Warranty:
      2 Year
    • Horsepower Rating:
      50 HP
    • Horsepower Rating:
      60 HP
    • HP Rating @ 120% OL:
      60 HP
    • HP Rating @ 150% OL:
      50 HP
    • Rated Amps:
      171 A
    • Amp Rating @ 120% OL:
      180 A
    • Amp Rating @ 150% OL:
      171 A
    • Rated Input Frequency:
      60 Hz
    • Output Voltage:
      690 V
    • Output Amperage Rating:
      180 A
    • Phase Rating:
      3 Phase Input - 3 Phase Output
    • Constant Torque / Variable Torque:
      Variable Torque/Constant Torque
    • Phase:
      Three Phase
    • Enclosure Rating:
      IP 20
    • Frame Size:
      E1
    • Series:
      C2000
    • Rated Amps:
      180 A
    • Rated Voltage:
      690 V
    • Weight:
      137.79 LBS
    In Stock
    List Price:  $4,701.00
    Online Price: $2,238.50
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