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AutomationDirect GS4-2025

The DURApulse GS4-2025 is a 230 VAC high-performance variable frequency drive for three-phase induction motors. It provides SVC or V/Hz control, integrated dynamic braking, RS-485 communications for Modbus RTU, Modbus ASCII and BACnet, and a built-in Safe Torque Off function. Optional EtherNet/IP and Modbus TCP cards can be added.

Source checked9/9 values · 2026-10-26AutomationDirectVFD
IP rating
IP20

Specification

2 sources
Categoryvfd
Supply voltage230 VAC
Frame sizeC
Output typePWM output
Operating temp min-10 °C
Operating temp max50 °C

Quick answers

What is the IP rating of the AutomationDirect GS4-2025?
IP20, per DURApulse AC High-performance Drive: 230 VAC, 25hp with 3-phase input, 10hp with 1-phase input, (VFD) (PN# GS4-2025) | AutomationDirect (automationdirect.com).

Study notes

  • Input phases: 3 and 1; output phases: 3.
  • Horsepower by input phase: 25 hp with 3-phase input, 10 hp with 1-phase input.
  • Amperage rating: 71 A with 3-phase input and 33 A with 1-phase input; variable torque amperage rating 75 A.
  • Control mode: SVC or V/Hz; carrier frequency range 2–15 kHz; output frequency range 0.1–599 Hz.
  • RS-485 (RJ12) port supports speeds up to 115.2k baud; BACnet is listed as a port protocol but has no matching protocol id in the reference list.
  • Optional EtherNet/IP and Modbus TCP cards are available.
  • Analog I/O: 3 analog input channels (11-bit resolution) and 2 analog output channels (10-bit resolution).
  • Discrete I/O: 8 discrete input points at 24 VDC and 4 discrete output points rated 240 VAC and 48 VDC.
  • Input signal: 4–20 mA, voltage or potentiometer input; output type: PWM output.
  • Reverse capability is built in; integrated EMI filter: no; internally bypassed: no.
  • Mounting: panel or wall.
  • Item shipping weight: 26.8 lb.

Safety

  • Built-in Safe Torque Off (STO) safety function.
  • UL Listed File # E198015.
  • CE declaration available; RoHS status: Yes.
  • EU REACH document available.
  • User-supplied external fuse required.
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