Airflow direction Air intake over struts Rotational direction clockwise looking at rotor Frequency 50 Hz 60 Hz Nominal voltage 230,0 V 230,0 V Current consumption 117 mA 106 mA Power consumption 19,5 W 18,0 W Nominal voltage Current consumption Power consumption Speed 2.600 1/min 2.950 1/min Max. free-air flow 146,0 m3/h 170,0 m3/h Weight 0,550 kg Protection class I Max. torque when wire outlet corner: 190 Ncm mounted across both remaining corners: 310 Ncm mounting flanges ISO 4762 - M4 degreased, Screw size without an additional brace and without washer