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DC Fans

The 9WS0812H4021 DC fan is a great addition for those looking for reliable cooling solutions. This fan provides efficient cooling due to its axial design, utilizing a sleeve bearing that offers long service life. The fan is easy to install, with a low density motor and it operates quietly. It can be used in a variety of applications due to its versatility.

Application Field

The 9WS0812H4021 DC fan can be used in industrial applications, including air-conditioning systems, cooling systems, and electronics. It can also be used in energy-saving and eco-friendly consumer appliances, where it is often used to keep temperatures at the desired level. It can be used in automotive industries, medical equipment and much more.

Working Principle

The 9WS0812H4021 DC fan has a four-pole permanent magnet brushless motor design. The fan design includes a rotor, stator and magnetic circuit that deliver the optimum air flow rate. The motor is driven by a rectangular wave which is generated by a power transistor. This type of motor is highly efficient in operation and has the ability to control speed at low noise levels.

The fan has two speeds, high and low, which are set by a switch. The low speed provides enough airflow for normal operation, while the high speed enables maximum airflow needed for more difficult cooling applications. The fan can be easily adjusted to the desired speed and can be used with wide range of power supplies.

The 9WS0812H4021 DC fan is easy to install due to its small size and low power requirement. The fan is designed with a universal mounting hole pattern, and includes a dynamic balancing shaft that ensures accurate mounting and smooth operation. The fan design also features a fine-tuning sleeve bearing that allows for noiseless operation at constant temperatures.

Conclusion

The 9WS0812H4021 DC fan is a reliable and efficient cooling device. Its axial design, low density motor, and easy installation make it a great choice for a wide range of applications. The two speed control and fine-tuning sleeve bearing ensure smooth operation and noiseless performance. It is a perfect choice for energy-saving and eco-friendly consumer appliances, and can easily be integrated into industrial and automotive industries.

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