109R0812M402

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DC Fans are widely used as an important component of HVAC&R applications. The 109R0812M402 is a popular DC fan and is designed for applications in HVAC&R systems, industrial motors, and other devices requiring cooling. In this article, we will explore the 109R0812M402\'s application field and working principle.

Application Field

The 109R0812M402 DC fan is designed to provide a cooling action for the components in a low to medium frequency applications, such as HVAC&R, refrigerator and freezer units, instrumentation panels, motors, and pumps. The 109R0812M402 comes with a multi-speed option, which provides greater flexibility and ultimately improved cooling performance. The fan is also designed to be used in high temperature environments, boasting a maximum operating temperature of 80 Celsius/176 F. It also has a wide voltage range specified to operate from 5-12V DC, and also accepts both AC and DC power, making it a versatile component for many applications.

Working Principle

The 109R0812M402 DC fan operates on the principle of the electric motor. An electric motor has two coils that are connected to the power supply. When electricity passes through the coils, they simultaneously create a magnetic field that the blades of the fan sense. This rotational force causes the blades to rotate, generating airflow. This airflow is then directed towards the component needing cooling, providing the desired cooling action. The speed of the fan is controlled by the voltage applied to the two coils which can be adjusted to the desired speed based on the needs of the application.

The 109R0812M402 fan also comes equipped with safety features to ensure it operates reliably and efficiently. A sensor is built into the fan to ensure that it will stop operating if it is overloaded. In addition, the fan comes with a covered guard cover to prevent dust and debris from entering the fan, thus helping to maintain the fan\'s efficiency in operation.

Conclusion

The 109R0812M402 DC fan is a popular component used in a variety of applications from HVAC&R to instrumentation panels. Its multi-speed option and wide voltage range make it an ideal choice for many applications. The fan is also designed to operate in high temperature environments, and is equipped with safety features to ensure a reliable and efficient process. The 109R0812M402 is an excellent component for any low to medium frequency application needing cooling.

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