40mm fan dimensions 4020 40x40x20mm dc 5v 12v 24v axial fan ball bearing cooling fan
The 40mm DC brushless cooling fan is an essential component in various applications.
When it comes to wholesale 12 volt DC cooling fans of this size, it offers great value and performance. Its technical features are truly remarkable.
The control input ranging from 0 – 10VDC/PWM enables precise adjustment of the fan speed, while the tach output allows for monitoring of the rotational status. The locked-rotor protection, reverse polarity protection, over-voltage protection, and soft start protection ensure the fan’s durability and safe operation.
Double ball 4020 4CM cm 5V/12V switch server communicator inverter cooling fan USB 40mm fan
Fan performance options:
*Bearing: Ball/Hydraulic/Sleeve
*Voltage: 3v/5v/12v/24v/28v/36v/48v
*Waterproof: IP54/IP55/IP56/IP66/IP67/IP68
*Function: Tacho meter/RD/FG/PWM+Tacho meter/PWM+RD
| Model No. |
Rated Voltage |
Operating Voltage |
Rated Current |
Speed | Max. Air Flow |
Max. Static Pressure |
Noise | ||
| VDC | VDC | A | RPM | m³/min | CFM | mmH2O | inH2O | dB | |
| HD4020L05 | 5 | 4.0～5.75 | 0.18 | 6000 | 0.14 | 4.90 | 4.40 | 0.17 | 29.2 |
| HD4020M05 | 5 | 4.0～5.75 | 0.23 | 7500 | 0.19 | 6.70 | 6.40 | 0.25 | 33.5 |
| HD4020H05 | 5 | 4.0～5.75 | 0.30 | 9000 | 0.24 | 8.40 | 9.10 | 0.36 | 38.8 |
| HD4020U05 | 5 | 4.0～5.75 | 0.38 | 12000 | 0.29 | 10.20 | 12.40 | 0.49 | 46.4 |
| HD4020L12 | 12 | 7.0～13.8 | 0.09 | 6000 | 0.14 | 4.90 | 4.40 | 0.17 | 29.2 |
| HD4020M12 | 12 | 7.0～13.8 | 0.13 | 7500 | 0.19 | 6.70 | 6.40 | 0.25 | 33.5 |
| HD4020H12 | 12 | 7.0～13.8 | 0.18 | 9000 | 0.24 | 8.40 | 9.10 | 0.36 | 38.8 |
| HD4020U12 | 12 | 7.0～13.8 | 0.30 | 12000 | 0.29 | 10.20 | 12.40 | 0.49 | 46.4 |
| HD4020L24 | 24 | 14.0～27.6 | 0.06 | 6000 | 0.14 | 4.90 | 4.40 | 0.17 | 29.2 |
| HD4020M24 | 24 | 14.0～27.6 | 0.09 | 7500 | 0.19 | 6.70 | 6.40 | 0.25 | 33.5 |
| HD4020H24 | 24 | 14.0～27.6 | 0.13 | 9000 | 0.24 | 8.40 | 9.10 | 0.36 | 38.8 |
| HD4020U24 | 24 | 14.0～27.6 | 0.18 | 12000 | 0.29 | 10.20 | 12.40 | 0.49 | 46.4 |
