Modular systemCompact designCan be installed in any positionMotor class options F and HMotor efficiency options IE1 to IE3The CDRD square cabinet fan is a series of duct mounted inline centrifugal fans designed for use in residential, commercial or industrial applications. The CDRD fans are supplied with backward-curved impellers manufactured from steel or aluminium. The fans are driven by three phase direct driven TEFC motors. The casing is manufactured from galvanized sheet steel. Installation in any mounting position is possible.