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AutomationDirect GS31-20P5

The GS31-20P5 is a DURApulse GS30 series enclosed AC variable frequency drive with a 230 VAC single-phase input and three-phase output rated for 1/2 hp. It controls three-phase induction and permanent magnet AC motors using SVC, V/Hz, FOC, encoder or torque mode, and includes RS-485 Modbus communication and integrated dynamic braking. Optional communication, encoder and I/O modules are available.

Source checked12/12 values · 2026-10-26AutomationDirectVFD
Rated power
0.3728kW
Rated current
2.8A
IP rating
IP20
Weight
1.202kg

Specification

2 sources
Categoryvfd
Supply voltage230 VAC
Frame sizeA2
Output typePWM output
Operating temp min-20 °C
Operating temp max50 °C

Quick answers

How much does the AutomationDirect GS31-20P5 weigh?
1.2020197805 kg, per DURApulse AC High-performance Drive: 230 VAC, 1/2hp with 1-phase input, (VFD) (PN# GS31-20P5) | AutomationDirect (automationdirect.com).
What is the IP rating of the AutomationDirect GS31-20P5?
IP20, per DURApulse AC High-performance Drive: 230 VAC, 1/2hp with 1-phase input, (VFD) (PN# GS31-20P5) | AutomationDirect (automationdirect.com).

Study notes

  • Control modes: SVC, V/Hz, FOC, encoder or torque mode.
  • Input is single-phase 230 VAC; output is three-phase 230 VAC.
  • Amperage rating is 2.8 A; variable torque amperage rating is 3.2 A.
  • Communication ports are RS-485 (RJ45) and USB B.
  • Port protocols are Modbus RTU Slave and Modbus ASCII Slave, up to 115.2k baud.
  • Integrated dynamic braking is included.
  • Carrier frequency range is 2–15 kHz; output frequency range is 0.1–599 Hz.
  • Analog I/O: 2 input channels with 12-bit resolution and 1 output channel with 10-bit resolution.
  • Discrete I/O: 7 input points and 3 output points.
  • Mounting is 35 mm DIN rail, panel or wall.
  • Programming language is Ladder.
  • For use with 3-phase induction and permanent magnet AC motors; optional communication, encoder and I/O modules are available.

Safety

  • Safe Torque Off (STO) is built-in.
  • Enclosure rating is IP20.
  • Temperature rating is -20 to +50 °C.
  • UL Listed File # E198015; CE declaration available; RoHS compliant.
  • External fuse is user-supplied.
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