FR-D740-1.5K-CHT Mitsubishi inverter is a specific model of variable frequency drive (VFD) manufactured by Mitsubishi Electric. It is designed for controlling the speed of three-phase induction motors in various industrial applications. The "1.5K" in the model number indicates that this inverter has a rated power output of 1.5 kilowatts, and the "CHT" refers to the Chassis type of the inverter. The FR-D740 series of Mitsubishi inverters offers advanced features and functionality for efficient motor control and energy savings.