Range of single inlet direct drive centrifugal fans designed for smoke extraction in fire conditions and certified F400-120 (CE marked) and suitable for the continuous extraction of air stream up to 300ºC. All casings are manufactured from electro-welded sheet steel protected against corrosion by grey epoxy-polyester paint coating. All models incorporate forward curved centrifugal impellers manufactured from galvanised sheet steel. Available, depending upon the model, with single or three phase motors in 4 or 6 poles. Motors All motors are IP55, class F. Electrical supply: Three phase 230/400V-50Hz up to 3kW. Three phase 400V-50Hz, for higher power motors.