FR-D740-0.75K-CHT Mitsubishi inverter is a specific model of inverter from Mitsubishi Electric. It is a compact and cost-effective inverter designed for various industrial applications. The "FR" in the model name stands for Frequency Inverter, indicating its function to control the speed and frequency of AC motors. The "D740" represents the series of the inverter, and "0.75K" refers to its power rating, which is 0.75 kilowatts. The "CHT" indicates that it is part of the CHT (China Heating) series, which is optimized for specific heating applications.