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AutomationDirect DURApulse GS31-21P0

The GS31-21P0 is an enclosed DURApulse GS30 series AC variable frequency drive. It accepts 230 VAC single-phase input and provides three-phase output for a 1 hp motor, using SVC, V/Hz, FOC, encoder or torque control modes. It includes RS-485 Modbus RTU/ASCII communication, USB, integrated dynamic braking and built-in Safe Torque Off (STO).

Source checked10/10 values · 2026-10-26AutomationDirectVFD
Rated power
0.7457kW
IP rating
IP20

Specification

2 sources
Categoryvfd
Supply voltage230 VAC
Frame sizeB2
Output typePWM output
Operating temp min-20 °C
Operating temp max50 °C

Quick answers

What is the IP rating of the AutomationDirect DURApulse GS31-21P0?
IP20, per DURApulse AC High-performance Drive: 230 VAC, 1hp with 1-phase input, (VFD) (PN# GS31-21P0) | AutomationDirect (automationdirect.com).

Study notes

  • Single-phase 230 VAC input, three-phase output.
  • Control modes: SVC, V/Hz, FOC, encoder or torque.
  • Communication: one RS-485 (RJ45) port and one USB B port; Modbus RTU Slave and Modbus ASCII Slave, up to 115.2k baud.
  • Integrated dynamic braking.
  • Carrier frequency range 2–15 kHz; output frequency range 0.1–599 Hz.
  • Mounting: 35 mm DIN rail, panel or wall.
  • Programming language: Ladder.
  • For use with 3-phase induction and permanent magnet AC motors.
  • Optional communication, encoder and I/O modules are available.
  • Integrated EMI filter: No.
  • Analog inputs: 2 channels, current/voltage, 12-bit; analog outputs: 1 channel, current/voltage, 10-bit.
  • Discrete I/O: 7 inputs (24 VDC sinking/sourcing) and 3 outputs (relay/sinking/sourcing).

Safety

  • Safe Torque Off (STO) is built-in.
  • UL Listed, file # E198015.
  • CE marked.
  • RoHS compliant.
  • A user-supplied external fuse is required.
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