Current Rating Max. mA = 490 / Operating Voltage Max. V = 30 / Operating Voltage Min. V = 20.5 / AC or DC Operation = DC / Bearing Type = Ball / Fan Speed min-1 = 8700 / Flow Rate m³/h = 136 / Width mm = 80 / Power Connection Type = 4-Pin Stranded Wire / Current Rating Min. mA = 320 / Height mm = 80 / Nominal Voltage V = 27 / Noise Level dBA = 57 / Depth mm = 38