SPECIFICATIONS Model Number: Part Number: WD48B7 19030714A December 16, 2004 Mechanical Drawing: Motor: Nominal Voltage Operating Voltage Range Nominal Running Current Locked Rotor Current Running Power Average Speed Bearings Air Flow Acoustic Additional Features: = 48vdc = 24 - 56vdc = 0.090 amps = 0.235 amps = 4.3 watts = 2475 rpm = Ball = 85 CFM = 41.1 dBA Construction: Venturi: Die-Cast Zinc Alloy, Black Propeller: Plastic, Black, UL 94V-0 Agency Approvals: UL Life Expectancy: This fan is designed for continuous duty life of 83,000 hours at 40C. Brushless DC Motor Locked Rotor Protection Polarity Protected Automatic Restart Capability Operating Temperature: Storage Temperature: -10C to 70C -40C to 85C Tachometer: Output: 5 Vdc TTL Compatible Ic: 5 mA Typical Isolated: No Pulses per Revolution: 1 Termination: 12" Length, AWG 22, UL 1061 Red = Power (+) Black = Return (-) Blue/White = Tachometer (Output)