550FZL  External Ac Fan Mounting: Wall fan/Free standing/Duct fan Model Number: TX500FZL Product name: EXTERNAL ROTOR AC FAN Size: 550X550X129mm Power supply: 220V/380V Bearing Type: Ball Bearing Material: Metal Blade/Aluminum Frame Motor: Run And External Rotor Induction Motor Current: 1.4A Noise: 74~79DB(A) 550FZL AC Weight: 11200g Power: 550W Air Volume: 4200~4389CFM 550FZL AC Speed: 1300~1500RPM Certification: CE,ISO9001;2008 After-sales Service Provided: No overseas service provided 550FZL AC Fan Life: 30000 hrs Warranty: 12 months Application: welding machines, medical, instrumentation, chassis, cabinets, etc.