AC DRIVES
VFDs - Variable Frequency Drives (1/4 hp to 100 hp)
AutomationDirect 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.
- All AC drives have three-phase inputs and three-phase outputs unless otherwise noted.
Complete AC Drives Overview and Selection Guide 
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VFDs - Variable Frequency Drives
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GS1 Series Mini AC Drives
Our most affordable and compact inverter drive
- 1/4 and 1/2 hp, 115 VAC single phase input VFD
- 1/4, 1/2 and 1 hp, 230 VAC single/three-phase input VFD
- 2 hp, 230 VAC 3 phase VFD
GS1 series drive prices start at $99.00
(GS1-10P2)
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GS2 Series Micro AC Drives
All of the features of our GS1 Series AC drives plus dynamic braking, PID and a removable keypad
- 1/4 hp to 1 hp, 115 VAC single-phase input VFD
- 1/2 hp to 3 hp, 230 VAC single/three-phase input VFD
- 5 hp to 7.5 hp, 230 VAC VFD
- 1 to 10 hp, 460 VAC VFD
- 1 to 10 hp, 575 VAC VFD
GS2 series drive prices start at $156.00
(GS2-10P2)
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DURApulse AC Drives - GS3 Series
Sensorless vector technology up to 100 hp VFD
- 1 hp to 3 hp, 230 VAC single/three-phase input VFD
- 5 hp to 50 hp VFD, 230 VAC
- 1 hp to 100 hp VFD, 460 VAC
DURApulse (GS3 series) drive prices start at $242.00
(GS3-21P0 )
Visit www.DURApulse.com for an in-depth overview
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AC Motor Soft Starters
STELLAR™ SR22 Series Compact 3-Phase Soft Starters (5A - 40A@ 208–460V)
The SR22 series motor soft starters use thyristors for controlled reduced voltage motor starting and stopping. These low voltage soft starters then switch to internal contacts for efficient running at the rated speed.
- 5A to 40A rated current versions @ 208–460V
- Compact AC motor soft starter prices start at $119.00
(SR22-05)
Basic 3-Phase Soft Starters (SR33 Series, 22A - 482A)
SR33 semi-conductor solid state soft starters provide many advantages when used instead of electro-mechanical contactors to control 3-phase AC induction motors, and are designed to fit in place of existing wye-delta starters.
- 22-482A @ 208-460V
- 24 VDC or 115 VAC I/O
- 24 VDC control voltage
- 3-Phase (two-phases controlled)
- Basic AC motor soft starter prices start at $455.00
(SR33-22)
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 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.
- 9–370A @ 230–460VAC (suitable for use on 208V systems)
- 115 or 230 VAC selectable control voltage
- Full-featured AC motor soft starter prices start at $735.00
(SR44-9)
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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
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AC Drive (VFD) Spare Parts & Accessories
- LR series AC line reactors
- LR series line reactors start at $57.00
(LR-20P5)
- Legacy GS series input and output AC line reactors
- GS Input fuse kits
- GS spare input fuses
- Current limiting, high-speed Class J drive fuses
- GS Braking Options - braking units and resistors
- EMI/ RF filters
- DURApulse replacement fans
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For more details - select the "Products" tab and click on the desired "Item Code" or select the "Technical Info" tab.
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