Typical products have been applied as a base for exhausts electric drives control - СЧРП-А cabinets serially produced for ventilator use on the base of Danfoss VLT® HVAC Drive FC 100 frequency converters. The cabinets are manufactured constructively basing on Rittal floor cabinets. Control is realized by means of discretely analog signals from remote control system or directly by control boards placed on doors of each cabinet.