The 6SL3210-5BE17-5UV0 is a frequency converter from Siemens. It is designed for heavy-duty industrial applications, suitable for controlling both three-phase and single-phase asyn-chronous motors as well as adjustable-speed geared motors and synchronous reluctance motors. This particular model is rated for a maximum motor output of 5.5kW and has a range of features such as a built-in speed controller, EMC filter for improved operation, automatic restart when tripped by an overload, and modbus communication. It also includes protection mechanisms such as a restart delay and various types of overvoltage protection. Additionally, its intuitive integrated keypad makes setup and configuration fast and easy.