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authorized distributors

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!!

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Showing 1 to 11 of 11 products.
  Name Price
Showing 1 to 11 of 11 products.
General Purpose Variable Frequency Drive, IP20<br>Up to 15hp<br>AC Tech SCM/SMGeneral Purpose Variable Frequency Drive, IP20
Up to 15hp
AC Tech SCM/SM
Ready to use right out of the box - simple to program and easy to install.
Available in single or 3 phase input!
Starting at $267.00
Starting at $200.25
Vector Drive Plus, NEMA 1<br>Up to 60hp, Single/3 Phase<br>AC Tech SMVector (B)Vector Drive Plus, NEMA 1
Up to 60hp, Single/3 Phase
AC Tech SMVector (B)
Now available up to 60 hp!
Perfect for applications requiring speed or torque control!
Starting at $322.00
Starting at $241.50
General Purpose w/Modbus,IP20<br>Up to 30hp, Single or 3 Phase<br>AC Tech SCF/SFGeneral Purpose w/Modbus,IP20
Up to 30hp, Single or 3 Phase
AC Tech SCF/SF
The same as our SCM Series - with these added features:
Analog outputs of speed and load
Modbus communication and optional high output frequency!
Starting at $430.00
Starting at $322.50
Vector Drive, NEMA 4X, Indoor Duty<br>AC Tech SMVector (C) Vector Drive, NEMA 4X, Indoor Duty
AC Tech SMVector (C)
Full featured drive has everything you need! Now up to 30hp!
Perfect for applications requiring speed or torque control.
Starting at $454.00
Starting at $340.50
Vector Drive, NEMA 4X, Integral Disconnect<br>AC Tech SMVector (FC/LC))Vector Drive, NEMA 4X, Integral Disconnect
AC Tech SMVector (FC/LC))
Integrated input disconnect, filtered input or both.
Perfect for applications requiring speed or torque control. Now up to 30hp!
Starting at $511.00
Starting at $383.25
Vector Drive, Nema 4X, Indoor/Outdoor Duty<br />AC Tech SMVector (XE/XF)Vector Drive, Nema 4X, Indoor/Outdoor Duty
AC Tech SMVector (XE/XF)
NEMA 4X rated for indoor or outdoor use!
Available in standard or filtered input. Now up to 30hp!
Starting at $530.00
Starting at $397.50
Full featured Enclosed Inverter Drive<br>NEMA 1, 4, 4x, 12<br>AC Tech M/MC Full featured Enclosed Inverter Drive
NEMA 1, 4, 4x, 12
AC Tech M/MC
Rugged steel enclosures and ranges up to 150 hp.
Starting at $671.00
Starting at $503.25
Variable Torque Drive for HVAC Industry<br />Up to 250HP<br />AC Tech MCH SeriesVariable Torque Drive for HVAC Industry
Up to 250HP
AC Tech MCH Series
NEMA Type 1, 12 and 4 enclosures!
Starting at $747.00
Starting at $560.25

Accessories

EPM Bulk Pack, 12 White Programming Modules<br />AC Tech Part Number EEPM2WAEPM Bulk Pack, 12 White Programming Modules
AC Tech Part Number EEPM2WA
EPM bulk pack - contains 12 white electronic programming modules for the EPM Programmer EEPM1RA!
$90.00
EPM Bulk Pack, 12 Programming Modules<br />AC Tech Part Number EEPM2BAEPM Bulk Pack, 12 Programming Modules
AC Tech Part Number EEPM2BA
EPM bulk pack - contains 12 electronic programming modules for the EPM Programmer EEPM1RA!
$95.00
EPM Programmer, Duplicate a Drive Program in 2 Seconds<br>AC Tech EEPM1RAEPM Programmer, Duplicate a Drive Program in 2 Seconds
AC Tech EEPM1RA
Simply plug the EPM into the programmer and in 2 seconds it is ready to be installed into the AC Tech drive!
$315.00

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!