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: 150 mm Wattage: 45 / 52 W Current consumption: 0.2 / 0.23 A Revolutions per minute: 1970 / 2645 Airflow rate: 405 / 555 m³/h Sound pressure Lp-3m: 26 / 33 dB(A) Height: 260 mm Width: 247 mm Width mounting bracket: 274 mm Length: 580 mm Diameter duct connection : 147 mm Max. temperature for continuous operation: 60°C IP code: IPX4 Weight: 6.1 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