Dimensions and technical details 230 V ~ 50 Hz Centrifugal inline fan for installation on external walls Housing colour: blue Housing material: powder-coated steel Nominal width: 100 mm Max. wattage: 71 W Max. current consumption: 0.31 A Max. revolutions per minute: 2530 Max. airflow rate: 325 m³/h Sound pressure level Lp-3m: 54 dB(A) Max. temperature for continuous operation: 55°C IP code: IPX4 Weight: 3.82 kg Thermal overload protection Protective grille against birds and rodents Powerful extraction of air at home, in commercial or industrial buildings   Ø D (mm) B (mm) H (mm) L (mm) VCN 100 99 260 355 138.