PBT with 30% glass filled UL94-V0
RD,tach output, PWM speed control, temperature control; locked-rotor,polarity
coolcom blower fan with large air value, quiet with highly efficient,above 30k hours life span for using sleeve bearing and above 50Khours for using ball bearing,available for voltage range 24v,12v and 5V .
| Model | Size | Bearing Type | Rated Voltage | Current | Speed | Air Flow | Pressure | Noise | Weight | Buy it now |
|---|---|---|---|---|---|---|---|---|---|---|
| CM4020KB12H | 40*40*20 | ball or sleeve | 12 | 0.1 | 6000 | 4.1 | 8.5 | 34.8 | 22g | |
| CM4020KB12M | 40*40*20 | ball or sleeve | 12 | 0.06 | 5300 | 3.5 | 6.8 | 29.6 | 22g | |
| CM4020KB12L | 40*40*20 | ball or sleeve | 12 | 0.05 | 4200 | 2.9 | 4.9 | 25.5 | 22g | |
| CM4020KB05H | 40*40*20 | ball or sleeve | 05 | 0.2 | 6000 | 4.1 | 8.5 | 34.8 | 22g | |
| CM4020KB05M | 40*40*20 | ball or sleeve | 05 | 0.15 | 5300 | 3.5 | 6.8 | 29.6 | 22g | |
| CM4020KB05L | 40*40*20 | ball or sleeve | 05 | 0.1 | 4200 | 2.9 | 4.9 | 25.5 | 22g |
