Series:	San Ace 120
Part Status:	Active
Voltage - Rated:	100VAC
Size / Dimension:	Square - 119mm L x 119mm H
Width:	38.00mm
Air Flow:	95.4 CFM (2.67m³/min)
Static Pressure:	0.264 in H2O (65.7 Pa)
Bearing Type:	Ball
Fan Type:	Tubeaxial
Features:	Alarm
Noise:	43.0 dB(A)
Power (Watts):	12.00W
RPM:	3100 RPM
Termination:	3 Wire Leads
Ingress Protection:	--
Operating Temperature:	14 ~ 140°F (-10 ~ 60°C)
Approvals:	CE, PSE, TUV, UL
Weight:	1.3 lbs (589.7g)
Current Rating:	0.160A
Voltage Range:	--
Material - Frame:	Aluminum
Material - Blade:	Plastic
Lifetime @ Temp.:	25000 Hrs @ 60°C

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What is AC Fans?

AC fans are electric fans powered by AC current, usually supplied by a single phase AC motor with the rotating blades attached. Generally, they are relatively low speed, high torque fans used for ventilation and air circulation purposes. As they are powered by AC current, they have a much larger operating range than DC fans, and are more versatile in terms of their applications. AC fans are used in a variety of applications, such as cooling for electronic components, ventilating for various appliances, as well as taking fresh air in and expelling contaminated air out from the environment.

109S405UL-20 AC Fans

The 109S405UL-20 is an AC fan from San Ace that is widely used in industrial applications. It offers fantastic cooling performance, reliability and capability to work at higher temperatures and altitudes, making it an ideal choice for various AC fan applications. It features the very robust Brushless DC motor, coupled with its ball bearing lubrication, which allows for increased durability. Furthermore, it features both Auto-restart and Auto-protect functions, making it suitable for a wide range of applications.

109S405UL-20 Application Field and Working Principle

The 109S405UL-20 AC fan is mainly used in industrial applications where a reliable and powerful cooling solution is required. It is widely used in a variety of control cabinets, medical and healthcare equipment, power supplies, as well as various consumer products. It can be used in both indoor and outdoor environments, allowing it to be used in a variety of applications.The 109S405UL-20 utilizes a Brushless DC motor, which is very reliable and has a long operating life. The AC current supplied to the fan is converted to DC, which is used to supply the motor. The motor is then connected to the blades, rotating them at a high rpm. The expanding airflow generated by the rotating blades will then circulate through supplied chambers or vents, cooling the components. The fan operates according to the Blow-through principle it creates a flow of air that is forced through the fins, directly pressurizing and cooling them. This ensures that the fan\'s performance is always consistent and reliable. The Auto-restart and Auto-protect functions make the fan suitable for a range of applications, providing both dependability and safety.

Conclusion

The 109S405UL-20 AC fan is a robust and reliable fan designed to offer cooling performance and stability in a range of industrial applications. It is powered by a Brushless DC motor, which provides a wide range of benefits such as high torque, increased efficiency, and reliable operation. It operates according to the Blow-through principle, which pressurizes and cools fins, giving a consistent performance. Furthermore, it features Auto-restart and Auto-protect functions for safety.

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Part Number	Manufacturer	Price	Quantity	Description