# AutomationDirect GS23-43P0

Hardware · `GS23-43P0` · verification: source checked

The DURApulse GS23-43P0 is an enclosed general-purpose AC variable frequency drive in the GS20 series. It accepts a 460 VAC three-phase input and is rated 3 hp with three-phase input, using SVC, V/Hz, FOC, or torque control. It has an RS-485 port, integrated dynamic braking, and built-in Safe Torque Off (STO).

## Specification

| Property | Value |
|---|---|
| Category | vfd |
| Supply voltage | 460 VAC |
| Rated current | 5.5 A |
| Frame size | C |
| 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

- Built-in Safe Torque Off (STO).
- UL Listed file E198015; CE marked; RoHS compliant.
- Operating temperature range is -20 to +50 °C; IP20 enclosure.
- A user-supplied external fuse is required.

## Study notes

- Three-phase input and three-phase output.
- Control modes: SVC, V/Hz, FOC or torque.
- Variable torque amperage rating is 6.5 A.
- Integrated dynamic braking; no integrated EMI filter; not internally bypassed.
- Communication includes one RS-485 (RJ45) port and one USB B port; port speed up to 115.2k baud.
- RS-485 port supports Modbus RTU Slave and Modbus ASCII Slave.
- Analog I/O: two analog inputs with 10-bit and 12-bit resolution; one 10-bit analog output.
- Discrete I/O: seven 24 VDC discrete inputs and three discrete outputs; one Form C (SPDT) relay.
- Output frequency range 0.1–599 Hz; carrier frequency range 2–15 kHz.
- Programming language is ladder; connectors are spring clamp terminals.
- Intended for 3-phase induction and permanent magnet AC motors.
- Optional EtherNet/IP and Modbus TCP card available; item shipping weight is 3.3 lb.

## Sources

1. [DURApulse AC General Purpose Drive: 460 VAC, 3hp with 3-phase input, (VFD) (PN# GS23-43P0) | AutomationDirect](https://www.automationdirect.com/adc/shopping/catalog/drives_-a-_soft_starters/ac_variable_frequency_drives_(vfd)/general_purpose_vfds/gs23-43p0) (accessed 2026-10-26)
2. [GS23 43P0 cutsheet](https://cdn.automationdirect.com/static/specs/cutsheet/GS23-43P0_cutsheet.pdf) (accessed 2026-10-26)

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