Variable frequency drives (VFD) enable speed control for three-phase AC motors such as those in conveyors, fans, pumps and shop tools. In ratings up to 300hp, the diverse lineup includes GS series, Ironhorse and WEG brands, with various environmental ratings and control modes. A full line of accessories for each drive family ensures a reliable installation.
AutomationDirect carries a range of AC variable frequency drives (VFD) for motor speed control and other industrial control applications.
DURApulse GS20 Series AC Drives
Several speed control modes available: standard V/Hz with pulse input feedback, sensorless vector control (SVC), and ultra precise Field Oriented Vector control (FOC).
DURApulse GS3 Series AC Drives
Sensorless vector technology up to 100 hp VFD
General purpose AC drive prices start at
DURApulse AC Drives - GS4 Series
Sensorless vector technology up to 300 hp VFD
DURApulse GS4 series drive prices start at
IronHorse ACN/ACNND Series AC Drives ... New!
ACN series NEMA 4X drives offer standard V/Hz, slip compensation, sensorless vector control (SVC), and torque control. Confgiure these drives with the free, user-friendly VFD Suite configuration software.
DURApulse GS20X NEMA 4X AC Drives
GS20X series NEMA 4X drives offer standard V/Hz with pulse input feedback, sensorless vector control (SVC), and Field Oriented Vector control.
NEMA 4X AC drives start at