The E66-80671 from ETRI / Rosenberg / Ecofit is 800mm axial fan with 3 phase and integrated terminal box. This fan has 10784 CFM max air flow, 80 dBA max noise and 200 to 240V (50/60Hz) voltage range. Ip54 and UL-R Motor Class F. Shroud Mounting Plate painted white with black painted finger guard. Operating temperature range is from -40°C to +60°C.