AutomationDirect GS4-41P0

The GS4-41P0 is a DURApulse GS4 series AC high-performance variable frequency drive. It accepts 460 VAC three-phase input and is rated 1 hp with 2.9 A output, driving three-phase induction motors in either sensorless vector (SVC) or V/Hz control mode. It is a wall-mount, NEMA 1 / IP20 unit in frame size A with an RS-485 (RJ12) port for Modbus RTU, Modbus ASCII or BACnet communication and integrated dynamic braking.

Source checked12/12 values · 2026-10-26AutomationDirectVFD
Rated power
0.746kW
Rated current
2.9A
IP rating
IP20
Weight
3.49kg

Specification

2 sources
Categoryvfd
Supply voltage460 VAC
Frame sizeA
Output typePWM output
Operating temp min-10 °C
Operating temp max50 °C

Quick answers

How much does the AutomationDirect GS4-41P0 weigh?
3.49 kg, per DURApulse AC High-performance Drive: 460 VAC, 1hp with 3-phase input, (VFD) (PN# GS4-41P0) | AutomationDirect (automationdirect.com).
What is the IP rating of the AutomationDirect GS4-41P0?
IP20, per DURApulse AC High-performance Drive: 460 VAC, 1hp with 3-phase input, (VFD) (PN# GS4-41P0) | AutomationDirect (automationdirect.com).

Study notes

  • Control mode is selectable between SVC (sensorless vector) and V/Hz.
  • Carrier frequency range 2-15 kHz; output frequency range 0.1-599 Hz.
  • RS-485 (RJ12) port supports Modbus RTU, Modbus ASCII and BACnet at up to 115.2k baud.
  • Discrete I/O: 8 inputs (24 VDC, sinking/sourcing) and 4 outputs (relay/sinking/sourcing) including 2 Form C (SPDT) relays; relay load 3 A/point, discrete 50 mA/point.
  • Analog I/O: 3 input channels (11-bit, 0-20 mA / 4-20 mA or +/-10 VDC) and 2 output channels (10-bit, 0-20 mA / 4-20 mA or 0-10 VDC).
  • Accepts 4-20 mA, voltage or potentiometer input signal; output type is PWM.
  • Built-in reverse capability and integrated dynamic braking; no integrated EMI filter; not internally bypassed.
  • Embedded PLC programmable in ladder logic (GSLOGIC software).
  • Optional EtherNet/IP and Modbus TCP communication cards are available; EtherNet/IP EDS file and Rockwell AOI are provided.
  • Motion/drive weight is 7.7 lb (approximately 3.5 kg); item is supplied with a keypad (GS4-KPD) and quick start insert.

Safety

  • Built-in Safe Torque Off (STO) function.
  • Operating temperature rating -10 to +50 deg C.
  • UL Listed, file # E198015; CE declaration and RoHS status yes; EU REACH document available.
  • No UL Recognized file, no UL Hazardous location file and no CSA file are listed for this item.
  • Requires a user-supplied external fuse.
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