# AutomationDirect GS31-22P0

Hardware · `GS31-22P0` · verification: source checked

The GS31-22P0 is an enclosed DURApulse GS30 series AC variable frequency drive rated for 230 VAC single-phase input and 3-phase output, 2 hp with 1-phase input. It controls 3-phase induction and permanent magnet AC motors using SVC, V/Hz, FOC, encoder or torque control modes. It provides an RS-485 (RJ45) port and a USB B port, integrated dynamic braking, and connections for optional communication, encoder and I/O modules.

## Specification

| Property | Value |
|---|---|
| Category | vfd |
| Supply voltage | 230 VAC |
| Rated current | 7.5 A |
| Frame size | C1 |
| Output type | PWM output |
| IP rating | IP20 |
| Operating temp min | -20 °C |
| Operating temp max | 50 °C |

## Connected

- Manufacturer: [AutomationDirect](https://machineschema.com/manufacturer/automationdirect.md)
- Protocols: [MODBUS ASCII](https://machineschema.com/protocol/modbus-ascii.md), [MODBUS RTU](https://machineschema.com/protocol/modbus-rtu.md)

## Safety

- Safe Torque Off (STO) is built-in.
- UL Listed File # E198015; CE declaration and RoHS status Yes; no UL Recognized, UL Hazardous or CSA file.
- A user-supplied external fuse is required.
- Operating temperature rating -20 to +50 deg C.
- IP20 enclosure rating.

## Study notes

- Rated 2 hp with 1-phase input; amperage rating 7.5 A, variable torque amperage rating 8.5 A.
- Control modes: SVC, V/Hz, FOC, encoder or torque.
- Carrier frequency range 2-15 kHz; output frequency range 0.1-599 Hz.
- Analog inputs: 2 channels, current/voltage, 12-bit, 0-20 mA and 4-20 mA or +/-10 VDC.
- Analog output: 1 channel, 10-bit, 0-20 mA and 4-20 mA or 0-10 VDC.
- Discrete inputs: 7 points at 24 VDC, sinking/sourcing, in 2 non-isolated commons of 4 points.
- Discrete outputs: 3 points (240 VAC and 30 VDC), relay/sinking/sourcing, one Form C (SPDT) relay, 3 A/point relay and 50 mA/point discrete.
- Communication: (1) RS-485 (RJ45) and (1) USB B; port speed up to 115.2k baud; Modbus RTU Slave and Modbus ASCII Slave protocols.
- Programming language ladder; spring clamp terminals; mounting on 35 mm DIN rail, panel or wall.
- Input signal options: 4-20 mA, voltage, potentiometer or pulse train; output type PWM.
- No integrated EMI filter; not internally bypassed.
- Item shipping weight 3.55 lb; country of origin India.

## Sources

1. [DURApulse AC High-performance Drive: 230 VAC, 2hp with 1-phase input, (VFD) (PN# GS31-22P0) | AutomationDirect](https://www.automationdirect.com/adc/shopping/catalog/drives_-a-_soft_starters/ac_variable_frequency_drives_(vfd)/high-performance_vfds/gs31-22p0) (accessed 2026-10-26)
2. [GS31 22P0 cutsheet](https://cdn.automationdirect.com/static/specs/cutsheet/GS31-22P0_cutsheet.pdf) (accessed 2026-10-26)

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