# AutomationDirect DURApulse GS33-4015

Hardware · `GS33-4015` · verification: source checked

The GS33-4015 is an enclosed DURApulse GS30 series AC variable frequency drive rated 15 hp with 460 VAC three-phase input and three-phase output. It controls three-phase induction and permanent magnet AC motors using SVC, V/Hz, FOC, encoder or torque control modes, with a 0.1 to 599 Hz output frequency range. It has integrated dynamic braking, an attached keypad, RS-485 (RJ45) and USB B ports, and built-in Safe Torque Off.

## Specification

| Property | Value |
|---|---|
| Category | vfd |
| Weight | 5.1 kg |
| Supply voltage | 460 VAC |
| Rated power | 11.19 kW |
| Frame size | E |
| 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.
- Enclosure IP rating is IP20.
- Temperature rating -20 to +50 °C.
- User-supplied external fuse required.
- UL Listed File # E198015; RoHS status Yes (see CE declaration); CE declarations and EU REACH document referenced.

## Study notes

- Control modes: SVC, V/Hz, FOC, encoder or torque mode.
- Amperage rating 25 A; variable torque amperage rating 28 A.
- Carrier frequency range 2–15 kHz; output frequency range 0.1–599 Hz.
- Communication: (1) RS-485 (RJ45) and (1) USB B, up to 115.2k baud; Modbus RTU Slave and Modbus ASCII Slave.
- I/O: 7 discrete inputs at 24 VDC (sinking/sourcing), 3 discrete outputs (240 VAC and 30 VDC; relay/sinking/sourcing, one Form C SPDT relay, 3 A/point relay, 50 mA/point discrete).
- Analog I/O: 2 input channels (0–20 mA and 4–20 mA, ±10 VDC, 12-bit) and 1 output channel (0–20 mA and 4–20 mA, 0–10 VDC, 10-bit).
- Input signals accepted: 4–20 mA, voltage, potentiometer or pulse train; output type is PWM.
- Embedded PLC programmable in ladder logic (GSLOGIC software); configuration via GSOFT2.
- Integrated dynamic braking and built-in reverse capability; no integrated EMI filter and not internally bypassed.
- Mounting: panel or wall; frame size E; spring clamp terminals; optional communication, encoder and I/O modules available.
- Supplied with an attached keypad (GS30A-KPD).

## Sources

1. [DURApulse AC High-performance Drive: 460 VAC, 15hp with 3-phase input, (VFD) (PN# GS33-4015) | AutomationDirect](https://www.automationdirect.com/adc/shopping/catalog/drives_-a-_soft_starters/ac_variable_frequency_drives_(vfd)/high-performance_vfds/gs33-4015) (accessed 2026-10-26)
2. [GS33 4015 cutsheet](https://cdn.automationdirect.com/static/specs/cutsheet/GS33-4015_cutsheet.pdf) (accessed 2026-10-26)

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