Scroll and impeller manufactured from galvanized sheet steel.External rotor motors with IP44 equipped with automatic reset thermal protector and ball bearings greased for life.All models incorporate capacitor fitted in the terminal box (single inlet models) or terminal block (double inlet models).Electrical supply:Single phase 230V-50Hz. 230V-60Hz also available for some models.On request:Coupling flange fitted at the fan outlet, guards fitted at the fan inlet, speed controllable versions, three-phase versions and long-lead versions.
