Motorized Impeller Impeller Type Backward Curve Motor Type Permanent Split Capacitor Fan Dia 9 7/8 in CFM @ 0.000-In. SP 560 cfm Voltage 230V AC 0.5 A Amps 75 W Watts 60 dBA Max Ambient Temp 131 Degrees F Depth 3 3/8 in Bolt Circle Dia 2 1/4 in Blade Material Galvanized Steel Mounting Position All Position 60 Hz Thermal Protection Auto Standards UL CSA Component Recognized Motor