Standard Square Axial Fan Fan Shape Square Mounting Eye O.C. 9 7/16 in Height 8 7/8 in Depth 3 1/8 in Width 8 7/8 in CFM @ 0.000-In. SP 606 Watts 64/80 Voltage 115V AC 50/60 Hz 0.58/0.7 Amps Electrical Connection - Fans Terminals Sound Level 61 IP Rating IP44 Mounting Position Vertical or Horizontal Bearing Type Ball 2550/2800 RPM Motor Insulation Class B Thermal Protection Thermally Protected Max Ambient Temp 0.9396 Degrees F Blade Material Sheet Steel