109E1724F5D01

Power (Watts):	8.40W
Lifetime @ Temp.:	40000 Hrs @ 60°C
Material - Blade:	Plastic
Material - Frame:	Aluminum
Voltage Range:	20.4 ~ 27.6VDC
Current Rating:	0.350A
Weight:	1.7 lb (780.0g)
Approvals:	CSA, TUV, UL
Operating Temperature:	-4 ~ 158°F (-20 ~ 70°C)
Ingress Protection:	--
Termination:	3 Wire Leads
RPM:	2500 RPM
Series:	San Ace 172
Noise:	42.0 dB(A)
Features:	Locked Rotor Sensor
Fan Type:	Tubeaxial
Bearing Type:	Ball
Static Pressure:	0.382 in H2O (95.1 Pa)
Air Flow:	180.0 CFM (5.04m³/min)
Width:	51.00mm
Size / Dimension:	Round - 172mm Dia
Voltage - Rated:	24VDC
Part Status:	Active

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DC Fans and Their Application Field and Working Principle
DC Fans are used to provide air flow to cool components or machines in many different application fields. They are designed to move large volumes of air without significant pressure loss, reducing noise and power consumption. The most common types of DC fans are axial fans (which move air in one direction in a straight line) and radial/centrifugal fans (which move air outwards in a circular pattern). DC Fans can be used in a variety of industries, including HVAC, electronics, instrumentation, computer equipment, and other machinery.
The primary purpose of any DC fan is to provide ventilation for a space, cooling components, or removing the heat generated by electronic equipment. DC fans are divided into two types according to their operation. The first one is ‘direct current,’ which uses a DC power source to operate the fan motor. This type of fan is required when power supply is limited or the fan should be able to operate from any power source. The second type is ‘pulsed current,’ or “pulsed DC.” This type of fan uses an alternating current (AC) waveform and a pulse width modulator to control the speed of the fan. As the pulse width is increased, the speed of the fan also increases. Pulsed DC fans are more efficient than direct current fans in that they require less power to operate, and are quieter and require less maintenance.
The working principle of DC fans is as follows: A motor drives the fan blades to produce air flow within the housing. The fan blades spin faster when the power is increased, resulting in a higher air speed being produced. The air is then discharged out from the fan into the environment or into a duct system.In some cases, the fan is equipped with a thermostat to detect the temperature of an area and adjust the fan speed accordingly. The fan uses an internal switch to control the fan’s speed in response to changes in temperature. When the temperature rises, the fan speed increases, and when the temperature falls, the fan speed also decreases.
DC fans are commonly used in computers, medical equipment, air conditioning systems, and automotive equipment. They are also suitable for applications that require high airflow and low noise levels. To ensure optimal performance, DC fans must be properly matched to the size of the space or component to be cooled. The size of the fan, the number of blades and the type of fan should all be taken into account when selecting a DC fan for your application.When it comes to installation, it is important to factor in the orientation of the fan blades, placement of the fan motor, and the fan blade clearance to avoid turbulence within the system. Improper positioning of the fan blades can cause noise and vibration, which can reduce the fan’s efficiency and lead to overheating of components.
In conclusion, DC Fans are an efficient and reliable means of ventilation, cooling, and circulation, as well as providing a significant noise reduction. They are available in many sizes and configurations and can be adapted to various applications. Proper selection, installation, and maintenance of DC fans will ensure optimal performance and long-term reliability.

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