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.

  • Delta logo 2HP 230V Delta MS300 VFD, Inverter, AC Drive VFD7A5MS21ANSAA (VFD7A5MS21ANSAA)

    2HP 230V Delta MS300 VFD, Inverter, AC Drive VFD7A5MS21ANSAA (VFD7A5MS21ANSAA)

    • Model:
      VFD7A5MS21ANSAA
    • Brand:
      Delta
    • Product Condition:
      New
    • Warranty:
      2 Year
    • Horsepower Rating:
      2 HP
    • Rated Amps:
      7.5 A
    • Amp Rating @ 120% OL:
      8.5 A
    • Amp Rating @ 150% OL:
      7.5 A
    • Rated Voltage:
      230 V
    • Rated Input Frequency:
      60 Hz
    • Output Voltage:
      230 V
    • Output Amperage Rating:
      7.5 A
    • Phase Rating:
      1 Phase Input - 3 Phase Output
    • Constant Torque / Variable Torque:
      Variable Torque/Constant Torque
    • Phase:
      Single Phase
    • Enclosure Rating:
      IP 20
    • Frame Size:
      C1
    • Series:
      MS300
    • Rated Amps:
      8.5 A
    • Weight:
      39.50 LBS
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  • Delta logo 1HP 230V Delta MS300 VFD, Inverter, AC Drive VFD4A8MS21ANSAA (VFD4A8MS21ANSAA)

    1HP 230V Delta MS300 VFD, Inverter, AC Drive VFD4A8MS21ANSAA (VFD4A8MS21ANSAA)

    • Model:
      VFD4A8MS21ANSAA
    • Brand:
      Delta
    • Product Condition:
      New
    • Warranty:
      2 Year
    • Horsepower Rating:
      1 HP
    • Rated Amps:
      4.8 A
    • Amp Rating @ 120% OL:
      5 A
    • Amp Rating @ 150% OL:
      4.8 A
    • Rated Voltage:
      230 V
    • Rated Input Frequency:
      60 Hz
    • Output Voltage:
      230 V
    • Output Amperage Rating:
      4.8 A
    • Phase Rating:
      1 Phase Input - 3 Phase Output
    • Constant Torque / Variable Torque:
      Variable Torque/Constant Torque
    • Phase:
      Single Phase
    • Enclosure Rating:
      IP 20
    • Frame Size:
      B2
    • Series:
      MS300
    • Rated Amps:
      5 A
    • Weight:
      2.10 LBS
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  • Delta logo 0.5HP 230V Delta MS300 VFD, Inverter, AC Drive VFD2A8MS21ANSAA (VFD2A8MS21ANSAA)

    0.5HP 230V Delta MS300 VFD, Inverter, AC Drive VFD2A8MS21ANSAA (VFD2A8MS21ANSAA)

    • Model:
      VFD2A8MS21ANSAA
    • Brand:
      Delta
    • Product Condition:
      New
    • Warranty:
      2 Year
    • Horsepower Rating:
      0.5 HP
    • Rated Amps:
      2.8 A
    • Amp Rating @ 120% OL:
      3.2 A
    • Amp Rating @ 150% OL:
      2.8 A
    • Rated Voltage:
      230 V
    • Rated Input Frequency:
      60 Hz
    • Output Voltage:
      230 V
    • Output Amperage Rating:
      2.8 A
    • Phase Rating:
      1 Phase Input - 3 Phase Output
    • Constant Torque / Variable Torque:
      Variable Torque/Constant Torque
    • Phase:
      Single Phase
    • Enclosure Rating:
      IP 20
    • Frame Size:
      A3
    • Series:
      MS300
    • Rated Amps:
      3.2 A
    • Weight:
      1.68 LBS
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  • Delta logo 0.25HP 230V Delta MS300 VFD, Inverter, AC Drive VFD1A6MS21ANSAA (VFD1A6MS21ANSAA)

    0.25HP 230V Delta MS300 VFD, Inverter, AC Drive VFD1A6MS21ANSAA (VFD1A6MS21ANSAA)

    • Model:
      VFD1A6MS21ANSAA
    • Brand:
      Delta
    • Product Condition:
      New
    • Warranty:
      2 Year
    • Horsepower Rating:
      0.25 HP
    • Rated Amps:
      1.6 A
    • Amp Rating @ 120% OL:
      1.8 A
    • Amp Rating @ 150% OL:
      1.6 A
    • Rated Voltage:
      230 V
    • Rated Input Frequency:
      60 Hz
    • Output Voltage:
      230 V
    • Output Amperage Rating:
      1.6 A
    • Phase Rating:
      1 Phase Input - 3 Phase Output
    • Constant Torque / Variable Torque:
      Variable Torque/Constant Torque
    • Phase:
      Single Phase
    • Enclosure Rating:
      IP 20
    • Frame Size:
      A1
    • Series:
      MS300
    • Rated Amps:
      1.8 A
    • Weight:
      1.43 LBS
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  • Delta logo 1HP 115V Delta MS300 VFD, Inverter, AC Drive VFD4A8MS11ANSAA (VFD4A8MS11ANSAA)

    1HP 115V Delta MS300 VFD, Inverter, AC Drive VFD4A8MS11ANSAA (VFD4A8MS11ANSAA)

    • Model:
      VFD4A8MS11ANSAA
    • Brand:
      Delta
    • Product Condition:
      New
    • Warranty:
      2 Year
    • Horsepower Rating:
      1 HP
    • Rated Amps:
      4.8 A
    • Amp Rating @ 120% OL:
      5.5 A
    • Amp Rating @ 150% OL:
      4.8 A
    • Rated Voltage:
      115 V
    • Rated Input Frequency:
      60 Hz
    • Output Voltage:
      115 V
    • Output Amperage Rating:
      4.8 A
    • Phase Rating:
      1 Phase Input - 3 Phase Output
    • Constant Torque / Variable Torque:
      Variable Torque/Constant Torque
    • Phase:
      Single Phase
    • Enclosure Rating:
      IP 20
    • Frame Size:
      C1
    • Series:
      MS300
    • Rated Amps:
      5.5 A
    • Weight:
      2.73 LBS
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  • Delta logo 0.5HP 115V Delta MS300 VFD, Inverter, AC Drive VFD2A5MS11ANSAA (VFD2A5MS11ANSAA)

    0.5HP 115V Delta MS300 VFD, Inverter, AC Drive VFD2A5MS11ANSAA (VFD2A5MS11ANSAA)

    • Model:
      VFD2A5MS11ANSAA
    • Brand:
      Delta
    • Product Condition:
      New
    • Warranty:
      2 Year
    • Horsepower Rating:
      0.5 HP
    • Rated Amps:
      2.5 A
    • Amp Rating @ 120% OL:
      2.7 A
    • Amp Rating @ 150% OL:
      2.5 A
    • Rated Voltage:
      115 V
    • Rated Input Frequency:
      60 Hz
    • Output Voltage:
      115 V
    • Output Amperage Rating:
      2.5 A
    • Phase Rating:
      1 Phase Input - 3 Phase Output
    • Constant Torque / Variable Torque:
      Variable Torque/Constant Torque
    • Phase:
      Single Phase
    • Enclosure Rating:
      IP 20
    • Frame Size:
      A3
    • Series:
      MS300
    • Rated Amps:
      2.7 A
    • Weight:
      1.63 LBS
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