GK620-4T75G/90LB is a high-performance Variable Frequency Drive (VFD) engineered for demanding industrial applications requiring precise motor control and maximum reliability. Supporting 75kW Heavy Duty and 90kW Light Duty operation, it delivers excellent speed regulation, high starting torque, and energy-efficient performance. Equipped with advanced sensorless vector control, PID functionality, and comprehensive protection features, the GK620 is ideal for pumps, fans, compressors, conveyors, and large-scale industrial automation systems.
Key Features
- 75kW Heavy Duty / 90kW Light Duty Rating
- 380-480V Three-Phase Input Voltage
- Advanced Sensorless Vector Control (SVC)
- V/Hz Control Mode
- 180% Overload Capability
- High Starting Torque at Low Speeds
- Built-in PID Control
- Flying Start Function
- RS485 Modbus Communication
- Auto-Tuning Function
- Multi-Step Speed Control
- Motor Thermal Protection
- Common DC Bus Support
- Restart Upon Power Loss
- Suitable for Heavy Industrial Machinery and Automation Systems





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