FR-E740-0.4KOverview of Mitsubishi FR E740 0. 4K The Mitsubishi FR E740 0. 4K is a compact and highly efficient variable frequency drive (VFD) from the FREQROL E700 series, designed for industrial motor control applications. This 0. 4 kW inverter supports three phase 200 240V power supply and offers advanced features such as magnetic flux vector control and V F control to optimize motor performance and energy efficiency. The FR E740 0. 4K is ideal for small to