GK620-4T2.2G/3.7LB is a versatile Variable Frequency Drive (VFD) designed to provide reliable speed control and efficient operation for three-phase AC motors. Rated for 2.2kW Heavy Duty and 3.7kW Light Duty applications, it delivers smooth motor performance, reduced energy consumption, and enhanced system reliability. With advanced vector control technology, built-in communication capabilities, and comprehensive protection functions, this inverter is ideal for pumps, fans, conveyors, compressors, and industrial automation equipment.
Key Features
- 2.2kW Heavy Duty / 3.7kW Light Duty Rating
- 400V Three-Phase Input Voltage
- Advanced Sensorless Vector & V/F Control
- High Starting Torque Performance
- Output Frequency up to 600Hz
- RS485 Modbus RTU Communication
- Built-in Brake Unit Support
- Overload, Overvoltage, and Overheat Protection
- Energy-Efficient Motor Control
- User-Friendly Digital Keypad
- Compact Industrial Design
- Suitable for Pumps, Fans, Conveyors, Compressors, and Machinery




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