Cisco 2811 router cooling fan (low speed) 

 Cisco 2801 router cooling fan (low speed) 

 Delta 4 cm 4020 pairs of ball monomer fan 0.18A EFB0412VHD 

 Fan Type: EFB0412VHD 
 Dimensions: 40 × 40 × 20mm 
 Rated voltage: DC12V 
 [Voltage Range]: DC7.0V-14.0V 
 Input power: 0.18A (nominal current) 
 Rated speed: 9000 rpm 
 Temperature range: -10 .. 70 ° C 
 [Life expectancy]: L10 life expectancy of 40,000 hours at 25 ° C 
 [Bearing]: maintenance-free double ball bearing 
 Direction of rotation: the wind is discharged from the stent, the face of the rotor counterclockwise rotation 
 [Wiring]: + red - black, blue line alarm 
 Maximum air volume: 17.1 m3 / h 
 Motor protection: protection of the wrong class and stall lock flow protection 
 Minimum pressure: 0 .. 105 Pa. 
 Noise level: 32.5 dB (A) 
 Sealing Material: Glass fiber reinforced plastic, PBT housing, PA leaves, green certification