Mechanical Drawing:
SPECIFICATIONS
Model Number: BD48B7
Part Number: 19030638A December 18, 2002
Additional Features:
Brushless DC Motor
Polarity Protected
Locked Rotor Protection
Automatic Restart Capability
Operating Temperature: -10C to 70C
Storage Temperature: -40C to 85C
Tachometer:
Output: 5 volt TTL Compatible
Ic: 5 mA Typical
Pulses per Revolution: 2
Isolated: No
Termination:
12” Lead wires, AWG 22, UL 1061
Red: = Power (+)
Black: = Return (-)
Blue / White: = Tachometer (Output)
Motor:
Nominal Voltage = 48 vdc
Operating Voltage Range = 24 - 56 vdc
Nominal Running Current = 0.250 amps
Locked Rotor Current = 0.500 amps
Running Power = 12 watts
Average Speed = 2950 rpm
Bearings = Sleeve
Air Flow = 25 cfm
Noise = 51.2 dBA
Construction:
Venturi: Plastic, Black, UL 94V-0
Propeller: Plastic, Black, UL 94V-0
Agency Approvals:
UL, CE
Life Expectancy:
This fan is designed for continuous duty life of 78,000
hours at 40C.
