![166637](https://img.wattagnet.com/files/base/wattglobalmedia/all/image/2015/04/an.166637.gif?auto=format%2Ccompress&q=70&w=400)
The Vostermans Ventilation Multifan Intelligent Fan Drive saves extra energy by controlling the speed of three-phase fans. The Vostermans Ventilation Multifan Intelligent Fan Drive's patented technology, based on frequency control, controls the fans with real-time motor data. Its software offers the possibility to control the motor efficiently.