INVT GD20-037G-4 Industrial Heavy-Load VFD High-Capacity Motor Drive

The INVT GD20-037G-4 is a 37kW high-power general-purpose frequency inverter from INVT's GD20 series, engineered for heavy-duty industrial drive applications requiring dependable high-capacity motor control. Operating from three-phase 380V input, this robust drive delivers 37kW with V/F and sensorless vector control for large induction motors. With built-in DC reactor for harmonic suppression, integrated braking chopper, PID control, Modbus RTU communication, independent air duct cooling, and comprehensive protection functions, it is the powerful and economical drive solution for large pumps, industrial fans, air compressors, extruders, heavy conveyors, crushers, mixers, and demanding industrial automation where reliable high-power performance at a competitive cost is the priority.

• Industrial Heavy-Load VFD — 37kW G-type rating with 150% overload for 60s and 180% for 3s; sensorless vector control delivers 150% starting torque at 0.5Hz for heavy-starting industrial machinery
• High-Capacity Motor Drive — Proven GD20 platform delivering 37kW of motor control with V/F and SVC control, 1:100 speed range, and ±0.5% speed accuracy for demanding continuous-duty applications
• Reliable Power Inverter — Built-in DC reactor suppresses input current harmonics and improves power factor above 0.9, ensuring compliance with grid power quality requirements and protecting upstream equipment
• Advanced Process Control — Integrated PID controller with sleep/wake for closed-loop pressure, flow, and temperature regulation; multi-speed (up to 16) and simple PLC for standalone automation sequences
• Integrated Braking Chopper — Built-in braking chopper as standard enables rapid deceleration of high-inertia loads; simplifies system design by eliminating external braking modules for most applications
• Robust Thermal Design — Independent air duct cooling separates power and control air paths; high-capacity DC fans with coated PCBA ensure reliable long-term operation in dusty industrial environments
• Full Protection Suite — Overcurrent, overvoltage, undervoltage, overload, overheating, input/output phase loss, short-circuit, PTC motor protection, and automatic fault recording for quick diagnostics
• Easy Commissioning & Integration — RS485 Modbus RTU standard, intuitive LED keypad with parameter copy and motor auto-tuning, application presets enabling rapid deployment across all major applications