For extracting shavings, smoke, gases, grains, wood particles, plastic, etc. Curved fan wheels ensure energy-saving and quiet operation High efficiency due to optimized design . For extracting chips, smoke, gases, grains, wood particles, plastic, etc. Curved fan wheels ensure energy-saving and quiet operation High efficiency due to optimized design . General information. Max airflow: 4212. Air outlet speed: 46Dimensions and weights. Exhaust dimensions: 180Suction diameter: 180Length (product) approx: 677Width/depth (product) approx: 580Diameter of rotor: 350Height (product) approx: 595(645)Weight (net) approx: 50Electrical data. Input power: 3.8. Power supply voltage: 400Power output: 2.8. Nominal drive motor mode: S1Network frequency: 50. Motor speed: 2850Total power consumption: 7Drive motor protection class: IP54Motor efficiency: 73Noise emission. Sound pressure level: 89