Mitsubishi FR-A840-5.5K Frequency Inverter 400V FREQROL A800 VFD Vector Control Industrial Drive

Mitsubishi FR-A840-5.5K is part of the FR-A840 FREQROL A800 series industrial VFD designed for advanced motor control and energy-efficient automation systems. It supports 3-phase 380–480V input with vector control technology for stable torque, high efficiency, and precise speed regulation. This inverter is widely used in pumps, fans, conveyors, compressors, HVAC systems, CNC machinery, and industrial automation production lines. It includes full protection functions such as overcurrent, overvoltage, undervoltage, overload, phase loss, and thermal protection. The drive supports PLC integration via RS-485 / Modbus and is also used as replacement solution for ABB, and Danfoss VFD systems in industrial retrofit projects. Model optimized for Google SEO industrial search ranking.