SPECIFICATIONS RoHS Compliant Model Number: Part Number: MD24B5-E2 039030 November 29, 2004 Mechanical Drawing: Motor: Nominal Voltage Operating Voltage Range Running Current Locked Rotor Current Running Power Average Speed Bearings Air Flow Acoustic Additional Features: = 24 vdc = 12 - 28 vdc = 0.250 amps = 0.750 amps = 6.0 watts = 3100 rpm = Ball = 110 CFM = 50.0 dBA Brushless DC Motor Electronic Locked Rotor Protected Polarity Protected Automatic Restart Capability Operating Temperature: -10C to 70C Storage Temperature: -40C to 85C Environmental Type II coating Tachometer: Venturi: Die-Cast Zinc Alloy, Black Propeller: Plastic, Black, UL 94V-0 Output: Isolated: Pulses per Rev.: Life Expectancy: Termination: Construction: This fan is designed for continuous duty life of 83,000 hours at 40C. Agency Approved: UL, CE 5 volt TTL No 2 12" Lead wires, 22AWG, UL 1061 Red - Fan Power, (+) Black - Fan Ground, (-) Blue/White - Tachometer, (Output)