SPECIFICATIONS Model Number Part Number: ST48K0X 19031481A Feb.1.2013 Mechanical Drawing: Motor: Nominal Voltage Operating Voltage Range Nominal Running Current Max. Locked Rotor Current Running Power Average Speed Bearings Air Flow Noise: Motor: = 48 VDC = 24 - 56 VDC = 0.110 Amps = .350 Amps = 5.3 Watts = 4250 RPM = Ball = 40 CFM = 44.2 dBA - Brushless DC - Electronic Locked Rotor Protected - Automatic Restart Capability - Polarity Protected Tachometer - Non-Isolated - TTL (5V) - 2 Pulses Per Revolution Life Expectancy: Harness 5" Leadwires, AMP Contact 770601-1 Red - power (+) Black - return Blue / white - tach This fan is designed for continuous duty life of 60,000 hours at 40C Agency Approvals: Construction: Venturi: Plastic, Black, UL94V-0. Propeller: Polypropylene, Black, UL94V-0 UL, CE