Because in the field of automation used "24V DC Cooling Fan", basically need long-term stability. Therefore, we must strengthen the protection of the fan. First, when you install the plastic frame leaf fan, easy to use too much torque electric screwdriver, generally 1.5 ~ 2Kg better. Then, for "24V DC Cooling Fan" fan in part to the installation of protective nets for protection. If the device under relatively large dust or dirt, or more humid working environment, the need for fan "three" treatment. The best use of protection class IP54 more products in the most reliable. Also, take the fan voltage supply overload protection, avoid the voltage fluctuations on the part of "24V DC Cooling Fan damage caused by the device does not work. Even because the fan does not turn, cause the device internal temperature is too high, the danger of blasting machine.