All options available for each fan will be suggested when you will configure it. Air direction: form B (impeller over motor) and form A (motor over impeller) are available for all the fans.
nSuitable for horizontal or vertical airflow installation
Motors
nAvailable, depending upon the model:
n- with three phase motors in 2, 4 or 6 poles.
n- with three phase two speed motors, 2/4, 4/8 or 6/12 poles.
nF400-120 motors are IP55, class H insulation.
nF300-120 motors are IP55, class H insulation.
nF200-120 motors are IP55, class F insulation.
nElectrical supplies:
nThree phase 220-240/380-415-50/60* Hzz up to 3 kW.
nThree phase 380-415V-50Hz, for higher power motors and two speed motors.
nMotors suitable for inverter control.
nIn emergeny operation, direct protected power supply.
nOn demand: 4/6 poles 2-speed motors.