I believe that when choosing power fans, customers will know the function of fans, which is mainly to dissipate heat from the power supply. Fans are widely used, not only in power supply, but also in many other industries. Power fans are just like a function of dissipating heat from the heart. As one of the important accessories of the power supply, the power supply fan directly affects the working stability of the power supply. If the heat inside the power supply only depends on natural heat dissipation, it is easy to cause unstable work. Therefore, it is necessary to rely on the fan to dissipate heat in order to achieve better heat dissipation. Generally, the power supply will be installed with two fans, the rear and the lower part, which will help to strengthen the air convection inside the power supply, but it is easy to accumulate dust. Therefore, we should pay attention to this problem when purchasing. It is best to match the dust net cover to prevent foreign objects and dust. The above is the basic introduction of power fans. I hope I can help you. We specialize in producing quality fans, AC fans, centrifugal fans, blowers, etc. We can make fans with multiple functions and customize them according to your needs.