SPECIFICATIONS Model Number: Part Number: JQ48B4 19031091A August 8, 2005 Mechanical Drawing: Additional Features: Motor: Nominal Voltage Operating Voltage Range Nominal Running Current Locked Rotor Current Running Power Average Speed Bearings Air Flow Acoustic: = 48 vdc = 24 - 56 vdc = 0.460 amps = 1.00 amps = 22.0 watts = 3475 rpm = Ball = 235 cfm = 54.3 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. Brushless DC Motor Locked Rotor Protection Polarity Protected Automatic Restart Capability Operating Temperature: Storage Temperature: Termination: 2 blade terminals Agency Approvals: UL, cUL, CE -10C to 70C -40C to 85C