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AC Drives


Variable Frequency Drives For Every Application!

VFD's adjust your motor speed to closely match output requirements, resulting in a typical energy savings of 10 to 50 percent.

Technical help is always available - please contact us!!

Visit our All About Drives page now!


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Showing 1 to 10 of 10 products.
  Name Price
Showing 1 to 10 of 10 products.
General Purpose AC Micro Drive, NEMA 1<br />Single or 3 Phase<br />Delta VFD-SGeneral Purpose AC Micro Drive, NEMA 1
Single or 3 Phase
Delta VFD-S
115, 230 or 460 volt and from 1/2 to 2 hp.
Famous for its low-noise carrier frequency feature and easy to use keypad.
Great for packaging and food processing applications!
Starting at $254.00
Starting at $165.10
High Performance AC Drive, IP20<br />Single or 3 Phase<br />Delta VFD-ELHigh Performance AC Drive, IP20
Single or 3 Phase
Delta VFD-EL
115, 230 or 460 volt, from 1/4 to 5 hp.
Perfect for small size fan and pump applications.
Starting at $254.00
Starting at $165.10
High Performance AC Vector Drive, IP20 Rated<br>Single or 3 Phase<br>Delta VFD-EHigh Performance AC Vector Drive, IP20 Rated
Single or 3 Phase
Delta VFD-E
115, 230, or 460 volt and from 1/2 to 15 hp.
Low horsepower constant torque drive.
Modular in design with flexible extension cards and a built-in PLC function!
Starting at $276.00
Starting at $179.40
Sensorless AC Vector Drive, IP20<br />Single or 3 Phase<br />Delta VFD-MSensorless AC Vector Drive, IP20
Single or 3 Phase
Delta VFD-M
115, 230, 460 or 575 volt and from 1/2 to 10 hp.
For medium to high horsepower applications with ultra-low-noise operation.
Starting at $333.00
Starting at $216.45
Multifunction Fan & Pump Drive<br />230/460V, 3 Phase, NEMA 1 <br />Delta VFD-FMultifunction Fan & Pump Drive
230/460V, 3 Phase, NEMA 1
Delta VFD-F
Limited stock available on this series - replacement suggestions:
Delta VFD-B or VFD-C2000, depending on application
Starting at $359.00
Starting at $233.35
Sensorless Vector AC Drive, NEMA 1<br>3 Phase, 230 or 460 Volt<br>Delta VFD-B Sensorless Vector AC Drive, NEMA 1
3 Phase, 230 or 460 Volt
Delta VFD-B
Constant torque rated featuring open and closed loop vector control.
Available from 1 to 100 hp.
Starting at $419.00
Starting at $272.35
High Performance Flux Vector Drive<br>3 Phase, NEMA 1 Enclosure<br>Delta VFD-VEHigh Performance Flux Vector Drive
3 Phase, NEMA 1 Enclosure
Delta VFD-VE
Starting at $647.00
Starting at $420.55
High Efficiency & High Performance AC Drive, 1 to 475hp<BR>Delta VFD-C2000High Efficiency & High Performance AC Drive, 1 to 475hp
Delta VFD-C2000
Built-in PLC, over 300 parameters and much more!
Starting at $740.00
Starting at $481.00
Elevator, Lift and Hoist Drive<br />Delta VFD-VL SeriesElevator, Lift and Hoist Drive
Delta VFD-VL Series
This is an application specific OEM drive!
Starting at $1,340.00
Starting at $871.00
Active Front End, Power Factor Correction & Energy Regeneration<br>Delta AFE2000Active Front End, Power Factor Correction & Energy Regeneration
Delta AFE2000
Replaces traditional brake resistor to reduce heat energy!
Starting at $1,411.00
Starting at $917.15

Marshall Wolf Automation is a large stocking distributor for a wide range of variable speed drives with engineers on staff to assist you! If you need any assistance at all please contact us!

You can also take a look at this spreadsheet - we list our popular AC drives as well as the properly sized enclosure to go with it!

Learn the basics about variable frequency drives here!


AC Drives are also called variable frequency drives, VFD's, variable speed drives, inverters, adjustable speed drives, variable freq drives. We are your authorized stocking distributor for all AC drives you see listed including AC Tech, Fuji, Hitachi, TECO-Westinghouse, Lenze, Delta, U.S. Drives.

AC Tech Lenze is the only variable frequency drive manufacturer to offer an outdoor choice!