9G1212A4021

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DC Fans

DC fans, also known as Direct Current fans, are motor driven fans which use DC electricity to perform their fan function.

DC fans are more energy efficient than traditional AC motors used in traditional fans. They also have the advantage of being quieter and more reliable than AC motors, making them ideal for use in electronic devices, such as computers and other electronics where noise and heat are a concern.

The 9G1212A4021 is a DC fan designed for use in a wide range of applications. It is designed to provide quiet and reliable operation. It is capable of providing airflow of up to 200cfm and offers a speed range of 1500 to 4500 RPM.

The fan uses a brushless motor with dual-ball bearings for silent and reliable operation. It includes a tach sensor for easy speed control and features low voltage protection to prevent damage to the fan, as well as a thermal protection function to prevent overheating. The fan also features a reversible airflow direction.

Application Field

The 9G1212A4021 can be used in a variety of applications, such as computer cooling and electronics cooling. It can be used in applications where heat, sound, and reliable operation are a concern. It is also suitable for use in data centers and other high-temperature environments.

Working Principle

The DC fan uses a brushless motor to convert electrical energy into mechanical energy. The motor rotates the fan blades, which create a vacuum in the airstream. This causes outside air to be drawn in through the fan, cooling the internal components in the process. The fan then expels the warmed air to the external environment.

The speed of the fan can be adjusted by using either a voltage regulator or a fan speed controller. The fan speed controller is used to vary the power to the fan, allowing it to change speed. The fan can also be adjusted using its tach sensor, which measures the speed of the fan and adjusts the power accordingly.

DC fans are a reliable, energy-efficient, and quiet choice for cooling applications. The 9G1212A4021 is suitable for a wide variety of applications, making it a great choice for cooling systems where noise, heat, and reliable operations are a concern.

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