12V/24V DC Brushless Cooling Blower Fan, 40mmx20mm

12V/24V DC Brushless Cooling Blower Fan, 40mmx20mm

The 40mm brushless cooling blower fan offers a voltage rating of 12 volt or 24 volt and a speed rating of up to 8000 rpm. ATO brushless DC cooling blower fan operates quietly with a noise level of 42 dB and is ideal for use in office or residential environments.

SKU: CCHN-CBF-4020

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Delivery date: 6-25 days

Overview

The quiet 3d printer blower fan comes in a size of 40mmx40mmx20mm and is available with a voltage rating of 12V or 24V. The dc centrifugal fan is small and powerful, perfect for DIY inflatables, cooling amplifiers, car parts, TVs, receivers and routers.

Specification

Model	CCHN-SJ4020
Rated Voltage	12V	24V
Rated Current	0.16A	0.08A
Rated Power	1.92W
Fan Speed	8000 rpm
Noise	42 dB
Air Volume	0.09 m3/min
Frame	Heat shrinkable polyester, environmentally friendly & fire resistant
Fan Blades	Heat shrinkable polyester, environmental friendly & fire resistant
Bearing Type	Ball Bearing & Oil Bearing
Lead Wire	1007 24AWG Red+ Black- 1007 24A WG Red + Black
Motor Protection	Impedance protection, reverse polarity protection, automatic restart
Operating Voltage	3.5V~6.5V, 6V~13.8V, 12V~26.5V
Operating Temperature/Humidity	-10°C~70°C 35%~ 85%RH
Storage Temperature/Humidity	-40°C~80°C 35%~85%RH
Weight	23g

Dimension: (Unit: mm)

40mm cooling blower fan dimension

Performance Curve

50mm cooling blower fan performance curve

Applications

Cooling blower fans are widely used in various industries and applications where cooling is required, such as computer cooling systems, industrial machinery, and HVAC systems. These fans work by drawing in hot air and blowing it out to dissipate heat, thereby maintaining a safe operating temperature. They are also commonly used in automotive applications to cool engines and other components. Additionally, cooling blower fans are used in medical equipment and scientific instruments where precise temperature control is essential for accurate measurements and analysis.

Cooling blower fan applications

Tips: How does a cooling blower fan work?

A cooling blower fan works by using an electric motor to spin a set of blades or impellers that force air through a housing or ductwork. The movement of the blades creates a low-pressure area behind them, which draws in air from the surrounding environment. The air is then forced through the housing or ductwork and out the other side, creating a flow of air that can help to cool down a space or piece of equipment.

Cooling blower fans can come in a variety of sizes and shapes, depending on their intended use. Some are small enough to fit in a computer case and are designed to cool the internal components of the computer, while others are much larger and are used to cool down industrial machinery or large spaces.

In addition to their use in cooling, blower fans are also often used for ventilation, air filtration, and to maintain a specific air pressure within a space or system. Overall, the basic principle of a cooling blower fan is to move air from one place to another, creating a flow of air that helps to remove heat and maintain a comfortable or safe temperature.