Technical parameters units DHB 530A 1D5 Maximum Flow m3/h 270/330 Rated Vacuum mbar -150/-120 Rated Pressure mbar 140/110 Frequency Hz 50/60 Voltage V 230 Current Consumption A 10.4/11.2 Power kW 1.5/1.75 RPM min-1 2800 Weight Kg 26 Noise dB (A) 65/71