Product Description Size of the fan: 230*200*65 mm Specification: Nominal Voltage: V AC 115/230/400(50/60Hz) Voltage Range: V AC 60...420 Nominal Speed: Min-1 2300...2500 Max. Flow rate: M³/h 700...900 Max. Flow rate: CFM 413...531 Noise free air: D B(A) 54...59 Power consumption: W 57 Service life(70centigrade) / (40centigrade) h 25 000 / 50 000 Bearing system: Ball bearings Fan housing / impeller: Aluminum alloy / PBT Electrical motor: Configuration of mouse- cage motor. Applications: Air conditioning, refrigeration, ventilation, drying, cooling Protecting grade: IP 54 Mass: G 1820