Centifugal fan RDP 355 EC motor 5,2 kW 3~400 V

Double width, double inlet (DWDI), direct drive. Lap-jointed scroll made of galvanized steel (EN 10142), assembled through a standing cold-rolled seam. V-shaped cut-off at fan discharge. Centrifugal impeller with 11 backward inclined blades welded made of aluminium, directly mounted on a brushless, permanent magnets, DC- external rotor motor, without transmission losses, dynamically balanced according to DIN ISO 21940-11. High efficient 5,2 kW three-phase driver sensor-less algorithm with passive EMC filtering and automatic protection against overheating.Driver is directly mounted on scroll, plug and play solution, no need further configuration. Continuous speed variation control Drive System by 0 ... 10 V analogue signal, or with Modbus RS485 compliant interface. All the drive system is completely in protection class IP 54. Power source 400V – 50/60 Hz Maintenance free! Air performance ratings according to AMCA 210-07 (Fig. 12) and ISO 5801 (Fig. 69 c and par. 30.2 f).