OA254AP-22-1WB Fans, Thermal Management

Noise:	55.0 dB
Lifetime @ Temp.:	60000 Hrs @ 40°C
Material - Blade:	Polybutylene Terephthalate (PBT)
Material - Frame:	Aluminum
Voltage Range:	160 ~ 260VAC
Current Rating:	--
Weight:	--
Approvals:	cURus, TUV
Operating Temperature:	-4 ~ 176°F (-20 ~ 80°C)
Ingress Protection:	--
Termination:	2 Wire Leads
RPM:	1650 RPM
Power (Watts):	35.00W
Series:	OA254
Features:	--
Fan Type:	Tubeaxial
Bearing Type:	Ball
Static Pressure:	0.390 in H2O (97.1 Pa)
Air Flow:	547.0 CFM (15.32m³/min)
Width:	89.00mm
Size / Dimension:	Round - 254mm Dia
Moisture Sensitivity Level (MSL):	--
Voltage - Rated:	230VAC
Lead Free Status / RoHS Status:	--
Part Status:	Active

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AC Fans

A fan is a tool used in electronics and ventilation to rotate a gas or liquid, typically air, producing a cooling or a ventilation effect. The OA254AP-22-1WB is an AC fan, which are powered by alternating current. Unlike DC fans, AC fans can use electric motors to rotate which allows for increased speed and thus efficient cooling. This particular model is widely used in commercial and industrial applications.

Applications

The OA254AP-22-1WB AC fan is ideal for commercial and industrial settings that need high performance cooling and ventilation. In particular, it is used to cool electrical racks and cabinets, large servers, and other electronic equipment with high thermal requirements. It also has a wide variety of applications in the automotive and HVAC industries.

General Construction

The OA254AP-22-1WB is constructed with a die-cast aluminum housing to provide strength and durability. The housing is designed with grooves and ribs on the exterior to reduce turbulence as air passes through. The fan motor is rated for a maximum speed of 4,950 RPM and is capable of producing airflow of up to 78 CFM and static pressure of up to 1.12 inchH2O. The fan motor is also equipped with dual ball bearings, which help reduce noise and vibration, ensuring a smoother operating sound.

Operating Principle

The OA254AP-22-1WB operates on the principle of converting electrical energy into mechanical energy. When electricity enters the fan motor, it passes through two sets of coils, each of which is made up of an outer and inner winding. When the electricity enters the motor, it causes the inner winding to generate a magnetic field. As the electrical current passes through the inner winding, it alternates between the two coils, creating a rotating magnetic field. This magnetic field then interacts with the outer winding, causing the fan motor to rotate and the blades to rotate, producing airflow.

Conclusion

The OA254AP-22-1WB is an AC fan widely used in commercial and industrial applications due to its high performance features. It operates on the principle of converting electrical energy into mechanical energy, and it is equipped with dual ball bearings to reduce noise and vibration. Its die-cast aluminum housing and grooves and ribs ensure strong durability and efficient cooling, making it an ideal choice for cooling electrical racks and cabinets, large servers, and other electronic equipment with high thermal requirements.

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