MR4020 Series High Airflow DC Fan
![MR4020 Fan](/products/detail/images/MR4020_photo.jpg)
(40 x 40 x 20 mm)
1.57 x 1.57 x .78 inches
- Features:
- soft start, polarity protection, auto-restart
- Operating Voltage:
- 12 or 24 VDC
- Construction:
- UL94V-0 plastic impeller and frame
- Bearing option:
- ball bearing or sleeve
- Air Flow:
- air exhaust over struts
- Options:
- tachometer output or locked rotor alarm signal; PWM speed control
![](/products/detail/images/MR4020_specs.png)
![](/products/detail/images/MR4020_dimensions.png)
![MR4020 Graph](/products/detail/images/MR4020_graph.png)