The INVT GD20-037G-4-EU is a Goodrive20 series variable frequency drive (VFD) rated at 37 kW (50 HP), 75 A output, designed for three-phase 400 V AC input. It uses sensorless vector control for precise motor speed and torque regulation, making it suitable for heavy-duty industrial applications.

Technical Specifications

• Model: GD20-037G-4-EU
• Series: INVT Goodrive20 (GD20)
• Rated Power: 37 kW (50 HP)
• Rated Output Current: 75 A
• Input Voltage: 3-phase 400 V AC (±15%)
• Control Method: Sensorless vector control (open-loop)
• Frequency Range: 0.00–600 Hz
• Overload Capacity: 150% for 60 seconds
• Built-in Features:
  • DC braking and flux braking
  • Dynamic braking (with external resistor)
  • PID control with polarity switching
  • Multi-power and V/F curve settings
• Protection Functions:
  • Overvoltage, undervoltage, overload, short circuit
  • Overheat protection
  • Motor stall prevention
• Cooling: Independent air duct design for reliability
• Weight: 12–14 kg
• Dimensions: Compact frame size for panel installation