What it is and what it does
The Mitsubishi FR-E740-1.5K-60 is a drive inverter in the E700 series, sized for a 1.5 kW motor load on a 60 Hz supply. It's a compact, general-purpose unit for constant-torque or variable-torque applications — conveyors, fans, pumps — where you don't need the full feature set of the A700 line. The 1.5 kW rating means it's matched to a standard 2 HP (approx.) induction motor; oversizing it for a smaller motor wastes panel space, undersizing it risks overload trips on startup.