Voltage 230 V Frequency 50 Hz Nominal Power 1800 W (2.41 Hp) Normal Operation 1530 W (2.05 Hp) Vacuum 32 kPa Air Flow 48 dm3/s Air Power 700 W (0.94 Hp) Efficency 40 % Number of Stages 1 Fan Diameter 135 mm Insulation Type Basic Insulation Class I.Cl.F Life Time 650 h Direction of Rotation Right