AC centrifugal fan contain various types of fans of different motors and impeller are widely used in all kinds of air conditions and refrigeration equipments. Also it is suitable for commercial and residential place ventilation and exhaust, such as hotel, marketplace, stadium, toilet and restaurant. Features: External rotor motor; Impeller completely made of plastic PA66 or sheet aluminum; Motor protection:IP44 Bearing: ball bearings; Approvals: CCC, CE, UL Performance Parameter: 1) Static pressure: 0Pa 2) Speed: 1390/1580rpm 3) Outlet dia.: 320mm 4) Airflow: 1550/1800cbm/h 5) Power: 123/162W 6) Vol. / freq.: 230V / 50/60Hz 7) Current: 0.55/0.75A