Mechanical Drawing:
SPECIFICATIONS
Model Number: WD48B7
Part Number: 19030714A December 16, 2004
Additional Features:
Brushless DC Motor
Locked Rotor Protection
Polarity Protected
Automatic Restart Capability
Operating Temperature: -10C to 70C
Storage Temperature: -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)
Motor:
Nominal Voltage = 48vdc
Operating Voltage Range = 24 - 56vdc
Nominal Running Current = 0.090 amps
Locked Rotor Current = 0.235 amps
Running Power = 4.3 watts
Average Speed = 2475 rpm
Bearings = Ball
Air Flow = 85 CFM
Acoustic = 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.