Mechanical Drawing:
SPECIFICATIONS
(RoHS Compliant)
Part Number: 19028887A Drawing Number：26007403A 01
Model Number: MD48B5 Jan.25.2013
Additional Features:
Brushless DC Motor
Automatic Restart Capability
Locked Rotor Protection
Polarity Protected
Operating Temperature: -10C to 70C
Storage Temperature: -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)
Motor:
Nominal Voltage = 48 vdc
Operating Voltage Range = 24 – 56 vdc
Nominal Running Current = 0.120 amps
Locked Rotor Current = 0.400 amps
Running Power = 5.8 watts
Average Speed = 3100 rpm
Bearings = Ball
Air Flow = 110 CFM
Acoustic = 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.
