AC Blower, ball bearing 133x91 (5.24"x 3.62") OAB13391 Series Backwards Curved Impeller Frame & Impeller Frame - Diecast aluminum Impeller - UL94V-O Thermoplastic Connection Lead Wires Motor AC, shaded pole, thermally protected Bearing System Insulation Housing: AC1500V / 1 minute Insulation Resistance: > 100 M ohms DC500V 0.7 Operating Temperature -40 C ~ +60C 0.5 Life Expectancy 40,000 hours (L10, 40C) Ball bearing 0.3 0.6 0.4 0.2 0.1 IP55 Rated Weight 2.65 lbs. Dual Ball 0.8 m2 0.0 25 50 75 100 125 150 175 Part Number OAB13391-11-1WB OAB13391-22-1WB Nominal Voltage 115 VAC (50/60 Hz) 230 VAC (50/60 Hz) Nominal Current (Amps) 0.50 / 0.43 0.24 / 0.21 Locked Current (Amps) 0.83 / 0.72 0.39 / 0.34 Rated Power 42 / 41 W 40 / 39 W Rated Speed (RPM) 2780 / 3200 2780 / 3200 Airflow (CFM) 165 / 188 165 / 188 Noise Level (dB) 56 / 60 56 / 60 Max. Static Pressure .65 / .88 " H 2O .65 / .88" H 2O Knight Electronics, Inc. 10557 Metric Drive Dallas, Texas 75243 214-340-0265 200 Blue = 60Hz Red = 50Hz Orion Fans Information and data is subject to change without prior notification.