9A0824G402

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DC Fans are electric fans powered by electricity of the direct current (DC) type, typically having an operating voltage between 4 and 31 volts, sometimes as high as 48 volts. The 9A0824G402 DC fan (also known as the NMB 4810MS-12T-B20) is a brushless, medium-sized fan designed for high-performance operation.

Performance Features

The 9A0824G402 DC fan has a very reliable and consistent performance, with a low noise level of 34 dB for a 12V voltage and airflow of up to 0.05 cubic meters per minute at a static pressure of up to 3 mm H2O. The fan’s nominal speed is 2200 RPM, with a range from 1400 to 2700 RPM. The life expectancy is a maximum of 60,000 hours.

Design Features

The 9A0824G402 DC fan is designed to withstand a wide range of temperatures and demands; it is composed of a high-quality die-cast aluminum frame and features an axial-flow construction designed to promote efficient air movement. The fan is IP54-rated and UL-certified. In terms of electrical specifications, the fan features high voltage protection and a maximum conventional current of 0.14A.

Mounting Options

The 9A0824G402 DC fan features an easy-to-install, no-ring design that allows it to be mounted either horizontally or vertically. This fan is also suitable for multiple mounting options such as screw, adhesive fixing, and direct nut fixing.

Application Fields

The 9A0824G402 DC fan is suitable for a wide variety of applications including cooling systems for personal computers, automotive systems, and any other application that requires a low-noise cooling fan of this size and voltage capability. This fan is also widely used in industrial equipment and machinery due to its reliable performance and long service life.

Working Principle

The 9A0824G402 DC fan works on the basis of electromagnetism theory. The fan is composed of 4 main components: a stator that contains permanent magnets, an outer rotor that contains electronic coils of wire, a PCB containing electronic circuitry to create pulses, and a fan blades assembly. As the electric current flows through the coils of wire, it creates an electromagnetic field which interacts with the magnets in the stator, thus pushing the outer rotor to rotate and cause the fan to spin, creating an airflow within the housing.

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