SPECIFICATIONS Part Number: 19028887A Model Number: MD48B5 (RoHS Compliant) Drawing Number26007403A 01 Jan.25.2013 Mechanical Drawing: Motor: Nominal Voltage Operating Voltage Range Nominal Running Current Locked Rotor Current Running Power Average Speed Bearings Air Flow Acoustic Additional Features: = 48 vdc = 24 - 56 vdc = 0.120 amps = 0.400 amps = 5.8 watts = 3100 rpm = Ball = 110 CFM = 50.0 dBA Construction: Venturi: Die-Cast Zinc Alloy, Black Propeller: Plastic, Black, UL 94V-0 Agency Certifications: UL, CE Life Expectancy: This fan is designed for continuous duty life of 83,000 hours at 40C. Brushless DC Motor Automatic Restart Capability Locked Rotor Protection Polarity Protected Operating Temperature: Storage Temperature: -10C to 70C -40C to 85C Tachometer Output: Output: 5 volt TTL Compatible Ic: 5mA Typical Pulses per Revolution: 1 Isolated: No Termination: 12" Lead wires, 22 AWG, UL 1061 Red = Power (+) Black = Return (-) Blue/White = Tachometer (Output)