Customers often ask whether the speed of the DC fan can be adjusted? Is there something like a knob on the fan that can be adjusted casually? The speed adjustment function is one of the main differences between a DC fan and an AC fan, but it depends on how to adjust and how to adjust it, mainly for supporting the client Relevant, the DC fan itself is a fixed motor and will not change, but when the external conditions change, the speed of the DC fan can follow.

If the frequency is adjusted according to the frequency, the most commonly used is the computer CPU fan. Such as changing the input voltage of the DC fan, the most common is the hand-held DC fan.

DC fans can be customized with different high and low speeds according to customer requirements. Some people say that AC fans can also be used, but AC fans can only adjust the speed within a small float, while DC fans can adjust the speed very large, 10% of the small full speed. as large as 100%. The cost of high and low revs may also differ by several times.