Dimensions and technical details 220-240 Volt ~ 50 Hertz Centrifugal inline fan for installation on external walls Housing colour: white Housing material: steel sheet, polyester lacquer Nominal width: 125 mm Max. wattage: 50 W Max. current consumption: 0.23 A Max. revolutions per minute: 2350 Max. airflow rate: 328 m³/h Total pressure Pmax: 359.5 Pa Sound pressure level Lp-3m: 49.5 dB(A) Max. temperature: 60°C Protection code: IPX5 Insulation class: II Weight: 4.5kg 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 125 WE D 262 mm 345 mm 127 mm 113 mm 122 mm 20 mm 142 mm 80.5 mm  Optional accessories are available in our shop.