SPECIFICATIONS Model Number: Part Number: TD48B1 19031520A August 15, 2005 Mechanical Drawing: Motor: Nominal Voltage Operating Voltage Range Locked Rotor Current Nominal Running Current Running Power Average Speed Bearings Air Flow Noise Additional Features: = 48 vdc = 24- 56 vdc = 1.5 amps = 0.700 amps = 33.6 watts = 3275 rpm = Ball = 155 cfm = 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 Brushless DC Motor Polarity Protected Locked Rotor Protection Automatic Restart Capability Operating Temperature: Storage Temperature: -10C to +70C -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