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AutomationDirect DURApulse GS4-4040

The GS4-4040 is a DURApulse GS4 series AC variable frequency drive from AutomationDirect. It accepts 460 VAC three-phase input and is rated 40 hp, using either sensorless vector control (SVC) or V/Hz control mode. It is a NEMA 1, IP20, frame C unit for panel or wall mounting, with an RS-485 (RJ12) port, integrated dynamic braking and built-in Safe Torque Off.

Source checked9/9 values · 2026-10-26AutomationDirectVFD
IP rating
IP20

Specification

2 sources
Categoryvfd
Supply voltage460 VAC, 3-phase
Frame sizeC
Output typePWM output
Operating temp min-10 °C
Operating temp max50 °C

Quick answers

What is the IP rating of the AutomationDirect DURApulse GS4-4040?
IP20, per DURApulse AC High-performance Drive: 460 VAC, 40hp with 3-phase input, (VFD) (PN# GS4-4040) | AutomationDirect (automationdirect.com).

Study notes

  • Rated 40 hp with 3-phase input; amperage rating 57 A, variable torque amperage rating 60 A.
  • Control modes: SVC or V/Hz; output frequency range 0.1-599 Hz; carrier frequency 2-15 kHz.
  • Frame size C; mounting is panel or wall; enclosure type NEMA 1.
  • RS-485 (RJ12) port supports Modbus RTU, Modbus ASCII and BACnet at up to 115.2k baud.
  • Optional EtherNet/IP and Modbus TCP cards are available (not built in).
  • I/O: 8 discrete inputs at 24 VDC (sinking/sourcing), 4 discrete outputs rated 240 VAC and 48 VDC (relay/sinking/sourcing) with two Form C (SPDT) relays; 3 analog inputs (0-20 mA, 4-20 mA, +/-10 VDC) and 2 analog outputs (0-20 mA, 4-20 mA, 0-10 VDC).
  • Input resolution 11-bit; output resolution 10-bit; load current 3 A/point relay, 50 mA/point discrete.
  • Programming language: ladder (GSLOGIC drive PLC software, GSOFT2 configuration software).
  • Connection type: screw terminals; intended for 3-phase induction motors.
  • Shipping weight 23.8 lb; country of origin India; HS code 8504.40.

Safety

  • Safe Torque Off (STO) is built-in.
  • Requires a user-supplied external fuse.
  • Operating temperature rating -10 to +50 deg C.
  • NEMA 1 enclosure, IP20: protects against finger contact, not against dust or water.
  • UL Listed File # E198015; CE declaration available; RoHS compliant.
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