Mitsubishi FR-A740-220K VFD Inverter 3-Phase 400V FREQROL A700 Vector Control Drive

Mitsubishi FR-A740 Series is a high-performance variable frequency drive (VFD) belonging to the FREQROL A700 platform, designed for advanced industrial motor speed and torque control applications.

This drive supports 3-phase 380–480V input voltage and covers a wide power range from 0.4kW up to 280kW, making it suitable for both light-duty and heavy-duty industrial automation systems.

The FR-A740 inverter integrates advanced sensorless vector control technology and V/F control modes, enabling precise motor torque regulation, stable low-speed operation, and fast dynamic response under varying load conditions. It significantly improves energy efficiency and operational stability in industrial environments.

Key built-in functions include PID control, automatic torque boost, multi-speed operation, regenerative braking support, and full protection mechanisms such as overcurrent, overvoltage, undervoltage, phase loss, and overheating protection.

The FR-A740 series supports industrial communication interfaces including RS-485 and Modbus protocols, enabling seamless integration with PLC systems and factory automation networks.

Typical applications include industrial pumps, HVAC systems, cooling fans, conveyor systems, compressors, packaging machinery, CNC machine tools, material handling systems, and general manufacturing automation lines.

Available models in the FR-A740 series include:
0.4K, 0.75K, 1.5K, 2.2K, 3.7K, 5.5K, 7.5K, 11K, 15K, 18.5K, 22K, 30K, 37K, 45K, 55K, 75K, 90K, 110K, 132K, 160K, 185K, 220K, 280K.

This product is widely recognized for its long service life, high reliability, and stable performance in demanding industrial automation environments, making it a standard choice for motor control and energy-saving applications.