The Mitsubishi FR-E520-0.1K is a frequency converter or inverter manufactured by Mitsubishi Electric. It is designed to control the speed and torque of three-phase induction motors, allowing for precise speed control and energy savings in various industrial applications.

Key features and specifications of the Mitsubishi FR-E520-0.1K frequency converter include:

1. Power Rating: 0.1 kilowatt (kW)

2. Input Voltage: Single-phase 220V-230V 

3. Output Voltage: Three-phase 0V - rated input voltage

4. Frequency Control Range: 0.2 Hz to 400 Hz

5. Control Method: V/f control (Voltage/frequency control)

6. Protection Features: Overcurrent, overload, overvoltage, undervoltage, overheat protection, etc.

7. Communication: RS-485 Modbus communication interface

8. Analog and Digital I/O: Provides a variety of analog and digital inputs and outputs for convenient integration into control systems.

9. Compact Size: The FR-E520-0.1K is designed to be compact and space-saving, suitable for installations with limited space.