AC Blower, ball bearing 182x55 (7.17"x 2.17") OAB18055 Series Backwards Curved Impeller Frame & Impeller Frame - Diecast aluminum Impeller - UL94V-O Thermoplastic Connection Lead Wires Motor AC Capacitor drive 10uF/250V (115V) 2uF/450V (230V) (Capacitor Included) Bearing System Dual Ball Insulation Housing: AC1500V / 1 minute Insulation Resistance: > 100 M ohms DC500V 1.5 1.2 Operating Temperature -40 C ~ +60C 0.9 Life Expectancy 40,000 hours (L10, 40C) Ball bearing 0.6 IP55 Rated 0.0 Weight 2.65 lbs. m2 0.3 50 Blue = 60Hz Red = 50Hz 100 150 200 250 300 Airflow (CFM) Part Number OAB18055-11-1WB OAB18055-22-1WB Nominal Voltage 115 VAC (50/60 Hz) 230 VAC (50/60 Hz) Nominal Current (Amps) 0.60 / 0.70 0.30 / 0.34 Locked Current (Amps) 0.92 / 0.95 0.46 / 0.48 Rated Power 63 / 78 W 63 / 78 W Rated Speed (RPM) 2550 / 2800 2550 / 2800 Airflow (CFM) 265 / 290 265 / 290 Noise Level (dB) 64 / 67 64 / 67 Max. Static Pressure 1.0 / 1.4 " H 2O 1.0 / 1.4" H 2O Knight Electronics, Inc. 10557 Metric Drive Dallas, Texas 75243 214-340-0265 Orion Fans Information and data is subject to change without prior notification.