INVT GD20-075G-4 High-Capacity Power Drive Industrial Heavy-Duty VFD

The INVT GD20-075G-4 is a 75kW high-power general-purpose frequency inverter from INVT's GD20 series, engineered for the largest heavy-duty industrial drive applications demanding maximum output capacity and uncompromising reliability. Operating from three-phase 380V input, this flagship drive delivers 75kW of motor control with V/F and sensorless vector control for the largest induction motors in the GD20 range. With built-in DC reactor, integrated braking chopper, PID control, Modbus RTU communication, independent air duct cooling with high-capacity fans, and comprehensive protection functions, it is the ultimate cost-effective drive solution for large centrifugal pumps, high-capacity industrial fans, screw air compressors, extruders, heavy mining conveyors, crushers, ball mills, large mixers, and the most demanding industrial automation applications requiring maximum power at a competitive investment.

• High-Capacity Power Drive — 75kW G-type rating with 150% overload for 60s and 180% for 3s; sensorless vector control delivers 150% starting torque at 0.5Hz for the most extreme industrial starting loads
• Industrial Heavy-Duty VFD — Proven GD20 platform at maximum 75kW output with V/F and SVC control, 1:100 speed range, and ±0.5% speed accuracy for the most demanding continuous-duty applications
• Robust Motor Inverter — Built-in DC reactor suppresses input current harmonics and maintains power factor above 0.9; essential for high-power installations where grid compliance and power quality are critical
• Maximum Motor Compatibility — Drives three-phase induction motors up to 75kW with advanced auto-tuning; supports heavy-starting and high-inertia loads including large pumps, crushers, and ball mills
• Comprehensive Process Control — Integrated PID controller with sleep/wake for closed-loop regulation; multi-speed (up to 16) and simple PLC for standalone automation without external controllers
• Industrial-Grade Cooling System — Independent air duct design with redundant high-capacity DC fans; coated PCBA rated for harsh 3C3 environments ensures reliable operation in dusty, high-temperature factory conditions
• Complete Protection & Diagnostics — Overcurrent, overvoltage, undervoltage, overload, overheating, input/output phase loss, short-circuit, PTC motor protection, and full fault diagnostics with alarm output
• Enterprise System Integration — RS485 Modbus RTU standard for SCADA and PLC connectivity; LED keypad with parameter copy, auto-tuning, and application presets for rapid deployment in large-scale installations