Dynamically balanced variable pitch angle impeller, made from high grade aluminum blades locked within a pressed sheet steel hub.Electrical isolator IP65 fitted to fan casing.Three phase motor, IP55, Class F.Standard operation temperature range -20ºC to +50ºC.MotorsSingle speed 4 pole.IE3 efficiency category from 0,75kW onwards, IE2 minimum for lower kW motors. Not applicable to 8 pole or two speed motors.220-240/380-415V-50Hz up to 3 kW.380-415V-50Hz, for higher power motors and two speed motors.Suitable for inverter control.(60Hz version available in EasyVent).Additional informationStandard air direction Motor-Impeller (Form A).On requestSingle speed 6 pole motors.Two speed motors in 4/6, 4/8 and 6/12 poles.Motors with PTC thermistor or heating resistors.Paint finish.Check EasyVent to select the most suitable configuration for the installation, and obtain the corresponding datasheet.