Standard Round Axial Fan Fan Shape Round Mounting Eye O.C. 9 7/8 in Diameter 11 in Depth 3 1/2 in CFM @ 0.000-In. SP 642 Watts 55 Voltage 24V DC 2.6 Amps Electrical Connection - Fans Lead Wires Sound Level 60 IP Rating IP42 Mounting Position Vertical or Horizontal Bearing Type Ball 2950 RPM Motor Insulation Class B Max Ambient Temp 140 Degrees F Blade Material Galvanized Steel Housing Material Galvanized Steel Standards UL and C-UL Recognized and RoHS compliant