GK620-4T55G/75LD is a high-capacity Variable Frequency Drive (VFD) engineered for demanding industrial motor control applications. Designed for 55kW Heavy Duty and 75kW Light Duty operation, it provides accurate speed control, high torque output, and improved energy efficiency. With advanced sensorless vector control, built-in PID functionality, Modbus communication, and comprehensive protection features, the GK620 delivers reliable performance for pumps, fans, compressors, conveyors, and large-scale industrial machinery.
Key Features
- 55kW Heavy Duty / 75kW 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 Speed
- 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
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