The FR-S520E-2.2K is a frequency converter made by Mitsubishi Electric. It is designed to convert electrical power from one frequency to another. This specific model has an output power capacity of 2.2 kilowatts (kW).

Frequency converters, also known as variable frequency drives (VFDs) or inverters, are used in various applications to control the speed of electric motors by adjusting the frequency of the supplied power. They are commonly used in industrial and commercial settings to regulate the speed of pumps, fans, conveyors, and other motor-driven equipment.

The FR-S520E-2.2K is part of Mitsubishi's FR-E500 series of general-purpose inverters. It features advanced control algorithms, built-in protection functions, and a user-friendly interface for easy programming and operation. Specific features and specifications may vary, so it's always recommended to refer to the product documentation or contact Mitsubishi Electric for detailed information about the FR-S520E-2.2K model.