Mechanical Drawing:
SPECIFICATIONS
Model Number: PQ48B7
Part Number: 19031235A May 16, 2005
Additional Features:
Brushless DC Motor
Electronic Locked Rotor Protection
Polarity Protected
Automatic Restart Capabilities
Operating Temperature: -10C to 70C
Storage Temperature: -40C to 85C
Tachometer Specifications:
Output: 5 volt TTL Compatible
Ic: 5 vdc Typical
Pulses Per Revolution: 2
Isolated: No
Termination:
12” Lead wires, 22 AWG, UL 1061
Red = Fan Power (+)
Black = Fan Ground (-)
Blue/White = Tachometer (Output)
Motor:
Nominal Voltage = 48 vdc
Operating Voltage Range = 24 - 56 vdc
Nominal Running Current = 0.460 amps
Locked Rotor Current = 1.000 amps
Running Power = 22.0 watts
Average Speed = 3475 RPM
Bearings = Ball
Air Flow = 235 CFM
Noise = 51.2 dBA
Construction:
Venturi: Die-Cast Aluminum, Black
Propeller: Plastic, Black, UL 94V-0
Life Expectancy:
This fan is designed for continuous duty life of 75,000
hours at 40C.
Agency Approvals:
UL, cUL, CE
