AMCA Certified air and sound performance (In accordance with AMCA 210 and 301)Aerofoil impeller with adjustable pitch angle for maximum efficiencyDie cast aluminium hub and bladesLong casing, hot dip galvanized steel, to DIN EN ISO 1461Spun flanges for high rigidity, to Eurovent 1/2IP55 terminal box welded at the outside of the casing for easy wiringthree-phase IEC motors, IP55, insulation class F, in accordance with EN 60034-5/IEC 85 and IEC 60034-30Suitable for operating temperatures of up to 55°CThe Systemair AXC (A) range of long cased medium pressure axial fans is available in sizes from 1000 up to 1250 mm nominal diameter. The adjustable pitch angle setting offers a wide performance and maximum flexibility to match precisely individual airflow requirements. The AXC (A) axial fans have been performance tested in accordance with AMCA 210 and 301. The motor is speed controllable by frequency converter.