MotorsAvailable, depending upon the model:- with three phase motors in 4 or 6 poles.- with three phase two speed motors 4/8 or 6/12 poles.F400-120 and F300-120 motors are IP55 class H insulation.Electrical supplies: Three phase 230/400V-50Hz up to 3 kW. Three phase 400V-50Hz, for higher power motors and two speed motors. (See characteristics chart).Additional InformationStandard air direction: form (A) configuration (Motor over Impeller). For horitzontal airflow installation.