Frame and Impeller: Plastic(94V-0),PBT Bearing Type: Sleeve bearing & Ball bearing Function Range: FG RD PWM reversible IP58 IP68 Leadwire: Red Wire Positive(+), Black Wire Negative(-) Operating Voltage: 12V 24V 48V Tempetature Range: -200C to +700C Motor: Impedance Protected and Reverse Polarity Protected Bearing Type B.S: B.S Rated Voltage VDC: 48 Operating Voltage VDC: 28.0-56.0 Input Current Amp: 0.20 Input Power Watt: 9.60 Speed RPM: 3000 Max Air Flow CFM : 115.29 Max Air Flow  m3/min: 3.27 Max Static Pressure Inch-H2O: 0.34 Max Static Pressure pa: 83.55 Noise dB-A: 48.00 Weight g: 262.00