AC Variable Drives

VFDs - Variable Frequency Drives (0.18 Kw to 75 Kw)

Direct Automation carries a range of AC variable frequency drives (VFD) for motor speed control and other industrial control applications.
  • The high quality and low prices make our GS1 series mini AC drives and GS2 series micro variable speed drives an incredible deal.

  • The DURApulse (GS3 series) sensorless vector AC drives can handle applications from 1 horsepower up to 100 horsepower.

Complete AC Drives Overview and Selection Guide
VFD Variable Frequency AC Drives
VFDs - Variable Frequency Drives
VFD - GS1 Series AC Drives GS1 Series Mini AC Drives
Our most affordable and compact inverter drive
  • 1/4 and 1/2 hp, 115 VAC single phase VFD
  • 0.18, 0.25 and 0.75 Kw, 230 VAC single phase VFD / 3-phase VFD

VFDs - GS2 Series AC Drives GS2 Series Micro AC Drives
All of the features of our GS1 Series AC drives plus dynamic braking, PID and a removable keypad
  • 0.37 Kw to 5.5 Kw, 230 VAC
  • 0.75 to 7.5Kw, 460 VAC
  • 0.75 to 7.5 Kw, 575 VAC

VFDs - Durapulse GS3 Series - AC Drives DURApulse AC Drives - GS3 Series
Sensorless vector technology up to 100 hp VFD
  • 0.75 to 75 Kw VFD, 460 VAC




AC Motor Soft Starters
STELLER Full-Featured AC Motor Soft Starters
AC Motor Soft Starters
STELLAR™ SR22 Series Compact 3-Phase Soft Starters (5A - 40A@ 208–460V)
  • 5A to 40A rated current versions @ 208–460V
  • Easy potentiometer setup
  • Six error/trip indicators (including over temp, shear pin)
  • 45 mm and 55 mm standard sizes
  • Built-in Bypass for added efficiency

STELLAR™ SR44 Series Full-Featured 3-Phase Soft Starters (9A - 370A@208-460V)
  • SR44 series solid state starters have an Automatic Application Setup that fully configures the motor soft starter for a specific application with one entry
  • SR44 series solid state motor starters also have a built-in "Optimizing" mode that reduces energy costs when used on lightly loaded and oversized AC motors, and external bypass capability for efficient running at rated speed
GS Series AC Drives Configuration & Communications & Software GS Series AC Drives Configuration Software & Communications
  • GSOFT configuration software for GS1, GS2 and DURApulse series VFDs (AC drives)
  • Spare keypads and cables for GS2 Series and DURApulse VFDs
  • GS-EDRV Ethernet module - high-performance Ethernet link
  • RS485 Communications boards
lr AC Drive (VFD) Spare Parts & Accessories
  • New! ... LR series AC line reactors
  • Legacy GS series input and output AC line reactors
  • GS Input fuse kits
  • GS spare input fuses
  • New! ... Current limiting, high-speed Class J drive fuses
  • GS Braking Options - braking units and resistors
  • EMI/ RF filters
  • New! ... DURApulse replacement fans
LF GS Drives EMI / RF Filters
  • Input EMI filters reduce electromagnetic interference or noise on the input side of the AC drive.

  • They are required for CE compliance and recommended for installations prone to or sensitive to electromagnetic interference.
  • Complete EMI / RF Filters Overview pdf

  • RF filters reduce the radio frequency interference or noise on the input or output side of the inverter.