Mitsubishi FR-A740-55K Inverter Drive 3-Phase 400V High Performance Vector Control

Mitsubishi FR-A740 Series is a high-performance vector control frequency inverter designed for precise motor speed control in industrial automation systems. It belongs to the FREQROL-A700 platform and supports three-phase 380–480V power supply, covering a wide power range from 0.4kW up to 280kW.

This series is widely used in pumps, fans, conveyors, compressors, CNC machinery, and general industrial motor control applications where stable torque output and energy efficiency are required.

The FR-A740 inverter integrates advanced vector control technology, enabling high starting torque at low speed and excellent dynamic response. It supports both sensorless vector control and V/F control modes, making it suitable for a wide range of motor types and industrial loads.

Key features include built-in PID control, automatic energy saving functions, multi-speed operation, and comprehensive protection functions such as overcurrent, overvoltage, overload, and overheating protection. It also supports multiple communication options for integration into PLC and automation systems.

Power range keyword coverage: FR-A740 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

Typical applications:
Industrial pumps, HVAC systems, cooling fans, conveyor lines, packaging machines, material handling systems, CNC equipment, and general automation production lines.

This product is part of Mitsubishi Electric industrial automation portfolio, designed for long service life, stable performance, and easy maintenance in demanding industrial environments.