Variable frequency drives (VFD) enable speed control for three-phase AC motors such as those in conveyors, fans, pumps and shop tools. GS series drives are available from 0.25hp micro-drives to high-performance 300hp models; WEG's micro drives offer multiple control methods in ratings up to 5hp. A full line of accessories is available for each drive family to ensure 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
DURApulse GS20X NEMA 4X AC Drives
NEMA 4X available up to 10hp. Standard V/Hz with pulse input feedback, sensorless vector control (SVC), and Field Oriented Vector control.
NEMA 4X AC drives start at