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Range of cylindrical cased axial fans fitted with aluminium impellers and manufactured from high grade rolled galvanised steel and protected against corrosion by cataforesis primer and black polyester paint finish. All models are supplied with pre-wired wiring junction box located on the outside of the fan casing for easy wiring access. Available, depending upon the model, with single or three phase motors in 2, 4, 6 or 8 poles. Motors All the motors are IP65 (1), Class F insulation (2), equipped with thermal protection. All motors are speed controllable except 2 poles and /4-560, /4-630, /4-710 and 800 models. Electrical supplies: Single phase 230V-50Hz. (Capacitor located inside the wiring terminal box). Three phase 230/400V-50Hz or 400V-50Hz (See characteristic chart). (1) 2/315/H, 2/355/H, /4-710 and 800 models are IP55. (2) Working temperatures from -40ºC up to 70ºC (except /2-315/H, /2-355/H, /4-710 and 800 models: suitable for usage in environments up to +40ºC)