Dimensions and technical details 220-240 V ~ 50/60 Hz Housing colour: black Housing material: powder-coated steel 50mm mineral wool layer for sound and heat insulation Nominal size: 125 mm Wattage: 25 / 29 W Current consumption: 0.11 / 0.13 A Revolutions per minute: 1650 / 2310 Airflow rate: 230 / 340 m³/h Sound pressure Lp-3m: 23 / 28 dB(A) Height: 237 mm Width: 215 mm Width mounting bracket: 243 mm Length: 474 mm Diameter duct connection : 247 mm Max. temperature for continuous operation: 60°C IP code: IPX4 Weight: 4.6 kg Integrated speed control: 2 speeds / off Ball-bearing motor Mounting options: any position Motor unit can be removed quickly and easily for cleaning and maintenance Application: ventilation systems requiring high pressure and low noise level Ideal for air extraction in damp rooms of residential and commercial properties