Dimensions and technical details 230 Volt ~ 50 Hertz Centrifugal inline fan for installation on external walls Housing colour: white Housing material: steel sheet, polyester lacquer Nominal width: 160 mm Max. wattage: 100 W Max. current consumption: 0.44 A Max. revolutions per minute: 2490 Max. airflow rate: 660 m³/h Total pressure Pmax: 443.9 Pa Sound pressure level Lp-3m: 47.5 dB(A) Max. temperature: 55°C Protection code: IPX5 Insulation class: II Weight: 8kg Thermal overload protection Automatic internal shutter flap prevents cold air from infiltrating Optional speed controllers and sensors sold separately Ideal for subtle extraction of air at home, in commercial or industrial buildings Model A B C D Ø E F G H CA 160 WE D E 360 mm 430 mm 173 mm 155 mm 157 mm 20 mm 180 mm 101 mm  Optional accessories are available in our shop.