The base element of this lifting unit consists of sturdy, modular aluminum profiles. Thanks to the stable bearings, torques in the dynamic range of up to 1100 Nm can be achieved. The various heights are approached via a driven threaded spindle in conjunction with a carriage. The three-phase motor is operated via a frequency converter. The parameters of this can be adapted to the respective application. A foot switch with two buttons (up/down) allows the different positions to be approached steplessly.