# AutomationDirect GS4-4030

Hardware · `GS4-4030` · verification: source checked

The GS4-4030 is a DURApulse GS4 series AC variable frequency drive. It accepts 460 VAC three-phase input and is rated for 30 hp motors, with SVC or V/Hz control. It includes an RS-485 port and integrated dynamic braking, and optional EtherNet/IP and Modbus TCP cards are available.

## Specification

| Property | Value |
|---|---|
| Category | vfd |
| Weight | 10.478 kg |
| Supply voltage | 460 VAC |
| Rated power | 22.371 kW |
| Rated current | 43 A |
| Frame size | C |
| Output type | PWM output |
| IP rating | IP20 |
| Operating temp min | -10 °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 and RoHS compliance are stated.
- A user-supplied external fuse is required.

## Study notes

- RS-485 (RJ12) port supports Modbus RTU, Modbus ASCII, and BACnet, with port speeds up to 115.2k baud.
- Optional EtherNet/IP and Modbus TCP cards are available.
- Control mode is SVC or V/Hz.
- Variable torque amperage rating is 45 A.
- Output frequency range is 0.1–599 Hz and carrier frequency range is 2–15 kHz.
- Integrated dynamic braking and built-in reverse capability are included.
- Input and output are both three-phase.
- Analog I/O: 3 inputs at 11-bit resolution accepting 4–20 mA, voltage or potentiometer signals, and 2 outputs at 10-bit resolution.
- Discrete I/O: 8 sinking/sourcing inputs and 4 outputs; outputs include 2 Form C (SPDT) relays.
- Relay load current is 3 A/point; discrete load current is 50 mA/point.
- Programming language is Ladder; connector type is screw terminals.
- NEMA 1 enclosure, panel or wall mounting, for use with 3-phase induction motors.

## Sources

1. [DURApulse AC High-performance Drive: 460 VAC, 30hp with 3-phase input, (VFD) (PN# GS4-4030) | AutomationDirect](https://www.automationdirect.com/adc/shopping/catalog/drives_-a-_soft_starters/ac_variable_frequency_drives_(vfd)/high-performance_vfds/gs4-4030) (accessed 2026-10-26)
2. [GS4 4030 cutsheet](https://cdn.automationdirect.com/static/specs/cutsheet/GS4-4030_cutsheet.pdf) (accessed 2026-10-26)

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