Centifugal fan PFP A1-0500 4.1kW 400V-3F M6H5

Motorized impeller with high system efficiency, with matching inlet nozzle, loose, suitable for horizontal or vertical installation, specifically developed and optimized for use without a scroll case. Equipped with flow measuring device IMV as a standard feature. Aluminium-made centrifugal impeller with 7 backward inclined welded blades. The wheel is directly fitted to a brushless external-rotor motor, with no transmission losses. The complete unit is dynamically balanced according to DIN ISO 21940-11. Light-weight motor frame cast from corrosion-resistant aluminium. A three-phase sensorless driver is fully integrated into the motor. Continuous speed variation control Drive System by 0 ... 10 V analogue signal, or with Modbus RS485 compliant interface. All the drive system is protected according to class IP 54. Power supply 400 V – 50/60 Hz.  Air performance ratings according to AMCA 210-07 (Fig. 12) and ISO 5801:2007 (Fig. 41 and par. 30.3).