The 6SL3210-5BB15-5UV1 part from Siemens is a type of frequency inverter that is used to control the speed of a three-phase AC motor. It is designed for speeds from 0-600 Hz, and operates at 0.25 – 11 kW. The converter has an integrated system of protection and control, with air-cooled function for preventing overheating. It also has a built-in converter for easy operation. The unit has a range of safety features, including over load, over current, and over voltage protection. This part is used when a dynamic control of the motor speed is required, and the motor can be operated without wear and without contactor interruption. The converter is ideal for applications such as agitation, grinding, and machine tools.