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AutomationDirect GS4-4150

The GS4-4150 is a DURApulse GS4 series AC variable frequency drive in an open-frame E frame. It accepts 460 VAC three-phase input and controls three-phase induction motors at up to 150 hp using SVC or V/Hz control. It includes RS-485 communications, analog and discrete I/O, and built-in Safe Torque Off (STO).

Source checked11/11 values · 2026-10-26AutomationDirectVFD
Rated power
111.855kW
Rated current
209A
Weight
76.2035kg

Specification

2 sources
Categoryvfd
Supply voltage460 VAC
Frame sizeE
Output typePWM output
Operating temp min-10 °C
Operating temp max50 °C

Quick answers

How much does the AutomationDirect GS4-4150 weigh?
76.20351816 kg, per DURApulse AC High-performance Drive: 460 VAC, 150hp with 3-phase input, (VFD) (PN# GS4-4150) | AutomationDirect (automationdirect.com).

Study notes

  • Control mode is SVC or V/Hz.
  • Variable-torque current rating is 220 A.
  • Carrier frequency range is 2–15 kHz; output frequency range is 0.1–599 Hz.
  • The RS-485 port uses an RJ12 connection and supports up to 115.2k baud.
  • The RS-485 port also lists BACnet support.
  • Optional EtherNet/IP and Modbus TCP cards are available.
  • Analog I/O includes 3 input channels with 11-bit resolution and 2 output channels with 10-bit resolution.
  • Discrete I/O includes 8 sinking/sourcing inputs at 24 VDC and 4 relay/sinking/sourcing outputs.
  • Input signals include 4–20 mA, voltage, or potentiometer input.
  • Programming language is ladder; connector type is screw terminals.
  • The drive is intended for 3-phase induction motors.
  • Enclosure is open frame; IP ratings are stated as IP00 and IP20.

Safety

  • Safe Torque Off (STO) is built in.
  • An external dynamic braking unit is required.
  • A user-supplied external fuse is required.
  • The drive is UL Listed under file E198015; RoHS status is Yes and CE declarations are available.
  • The drive has an open-frame enclosure with stated IP00 and IP20 ratings.
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