DC Fans and Blowers PO078-12D-4B-2 PO078-24D-4B-2 Features Size: Airflow: Lead Wire: Impeller: Frame: Bearings: 120 x 120 x 25 mm (4.7" x 4.7" x 1.0") 78 CFM AWG24 (UL1007) Reinforced Plastic (UL94V-0) Reinforced Plastic (UL94V-0) Sealed Ball UL E101153 CSA LR74525 • RoHS Compliant Dimensions – inches (mm) Air Flow vs Air Pressure – PO078 .169±.010 (4.3±0.25) .30 Static Pressure (inches H2O) 4.705±.020 (119.5±0.5) 4.126±.012 (104.8±0.3) .25 Air Flow 4.126±.012 (104.8±0.3) 4.705±.020 (119.5±0.5) .157±.012 (6.0±0.3) .157±.012 (6.0±0.3) .20 .15 .10 .05 0 0 20 .984±.020 (25.0±0.5) 40 60 80 100 Air Volume (cfm) Performance Rated Current (A) Max Air Pressure (In H2O) Noise* (dBA) Moved Max Air Flow (CFM) 0.800 0.370 78 .24 42 8~15 -20 ~ +60 50,000 0.460 0.230 78 .24 42 16~30 -20 ~ +60 50,000 Rated Voltage (V) Locked PO078-12D-4B-2 12 PO078-24D-4B-2 24 Type Operating Voltage (V) Operating Temperature (°C) Life Expectancy (Hr) *Measured 1 m from intake Product specifications contained herein may be changed without prior notice. It is therefore advisable to contact Purdy Electronics before proceeding with the design of equipment incorporating this product. 7/19/07 Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085 Tel: 408.523.8200 • Fax: 408.733.1287 • [email protected] • www.purdyelectronics.com 1