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AutomationDirect DURApulse GS4-25P0

The GS4-25P0 is a DURApulse GS4 series AC variable-frequency drive from AutomationDirect. It operates from 230 VAC and is rated for 5 hp with three-phase input or 2 hp with single-phase input, using SVC or V/Hz control. It has an IP20 NEMA 1 enclosure, built-in Safe Torque Off, RS-485 communication, and integrated dynamic braking.

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

Specification

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

Quick answers

What is the IP rating of the AutomationDirect DURApulse GS4-25P0?
IP20, per DURApulse AC High-performance Drive: 230 VAC, 5hp with 3-phase input, 2hp with 1-phase input, (VFD) (PN# GS4-25P0) | AutomationDirect (automationdirect.com).

Study notes

  • Brand: DURApulse; series: GS4; controller type listed as high-performance.
  • Input phases: 3 and 1; output phases: 3.
  • Horsepower by input phase: 5 hp with 3-phase input, 2 hp with 1-phase input.
  • Amperage rating: 16 A with 3-phase input and 8 A with 1-phase input; variable-torque rating 17 A.
  • Control mode: SVC or V/Hz.
  • Communication port: one RS-485 (RJ12); port protocols include Modbus RTU, Modbus ASCII and BACnet, at up to 115.2k baud.
  • Input signal: 4–20 mA, voltage or potentiometer input; output type: PWM output; reverse capability built-in.
  • Analog I/O: 3 input channels (11-bit, 0–20/4–20 mA, ±10 VDC) and 2 output channels (10-bit, 0–20/4–20 mA, 0–10 VDC).
  • Discrete I/O: 8 sinking/sourcing inputs at 24 VDC and 4 relay/sinking/sourcing outputs at 240 VAC/48 VDC; two Form C (SPDT) relays.
  • Carrier frequency range: 2–15 kHz; output frequency range: 0.1–599 Hz.
  • Programming language: ladder; connector type: screw terminals; intended for 3-phase induction motors.
  • Optional EtherNet/IP and Modbus TCP cards are available; integrated EMI filter and internal bypass are not provided.

Safety

  • Built-in Safe Torque Off (STO).
  • User-supplied external fuse required.
  • UL Listed File # E198015.
  • CE marked; RoHS compliant; EU REACH document available.
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