USED AUTOMATIONDIRECT GS3-4020

The AutomationDirect DURApulse GS3-4020 is a high-performance variable frequency drive (VFD) designed to provide precise motor speed control, energy efficiency, and reliable operation in demanding industrial environments. Rated for 20 HP at 480V three-phase input, this drive is part of the advanced GS3 series known for its compact design, robust control features, and easy integration into automation systems.
This unit is ideal for applications such as conveyors, pumps, fans, compressors, and other motor-driven equipment requiring accurate speed control and dependable performance. The GS3 series supports advanced control modes and includes built-in keypad programming, multiple I/O options, and communication capabilities, making it suitable for both new installations and replacement projects.
The drive is engineered with comprehensive protection features including overload protection, fault diagnostics, and programmable parameters to help extend motor life and reduce downtime. Its durable construction and industrial-grade components make it well suited for manufacturing facilities, processing plants, and other heavy-duty automation environments.
Item Overview
Brand: AutomationDirect
Brand: AutomationDirect
Series: DURApulse GS3
Series: DURApulse GS3
Model: GS3-4020
Model: GS3-4020
Type: Variable Frequency Drive 
Type: Variable Frequency Drive 
Key Features
Precise AC motor speed and torque control
Precise AC motor speed and torque control
Designed for industrial automation and motor control systems
Designed for industrial automation and motor control systems
Programmable parameters via built-in keypad
Programmable parameters via built-in keypad
Compact design for panel mounting
Compact design for panel mounting
Advanced motor protection and diagnostics
Advanced motor protection and diagnostics
Supports multiple control methods for flexible operation
Supports multiple control methods for flexible operation
Reliable performance for continuous duty applications
Reliable performance for continuous duty applications
Technical Specifications
Model Number: GS3-4020
Model Number: GS3-4020
Input Voltage: 380-480V AC, Three-Phase
Input Voltage: 380-480V AC, Three-Phase
Horsepower Rating: 20 HP
Horsepower Rating: 20 HP
Output Frequency Range: Up to 400 Hz
Output Frequency Range: Up to 400 Hz
Control Type: Variable Frequency Drive
Control Type: Variable Frequency Drive
Mounting Type: Panel Mount
Mounting Type: Panel Mount
Series: DURApulse GS3
Series: DURApulse GS3
Applications
Commonly used in:
Industrial automation systems
Industrial automation systems
Conveyor systems
Conveyor systems
Pumps and fans
Pumps and fans
HVAC motor control
HVAC motor control
Compressors
Compressors
Packaging and processing equipment
Packaging and processing equipment