Mechanical Drawing:
SPECIFICATIONS
Model Number: TD48B1
Part Number: 19031520A August 15, 2005
Additional Features:
Brushless DC Motor
Polarity Protected
Locked Rotor Protection
Automatic Restart Capability
Operating Temperature: -10C to +70C
Storage Temperature: -40C to +85C
Propeller Rotation:
Clockwise: Intake over Struts
Termination:
12” Lead-wires, AWG 22, UL 1061
Red = Power (+)
Black = Return (-)
Agency Approvals:
UL, CUL
Motor:
Nominal Voltage = 48 vdc
Operating Voltage Range = 24– 56 vdc
Locked Rotor Current = 1.5 amps
Nominal Running Current = 0.700 amps
Running Power = 33.6 watts
Average Speed = 3275 rpm
Bearings = Ball
Air Flow = 155 cfm
Noise = 65.2 dBA
Construction:
Venturi: Plastic, Black, UL94V-0
Propeller: Plastic, Black, UL94V-0
Life Expectancy:
This fan is designed for continuous duty life of 35,000
hours at 40C
