12Volt Air Diffuser Ventilation System Frameless Centrifugal Fan

DC brushless fan with lightweight motor rotor design and low operating temperature rise, extend 50% lifespan compared others. It can provide with large airflow; low noise; long span life; good running stability and corrosion resistance.

  • Item NO.:

  • Order(MOQ):

  • Payment:

    T/T, L/C, Paypal, Western Union
  • Product Origin:

  • Color:

  • Shipping Port:

  • Lead Time:

    20 working days
  • Weight:

  • Product Detail

125mm x 125mm x 40mm Electric Air Centrifugal Ventilator Frameless Exhaust Fan. The frameless fans are uniquely engineered and designed to provide the most efficient cooling for applications with extremely limited space constraints.

About this item

  • Designed for projects that requires cooling or ventilation; or as a replacement fan for various products.
  • Dimension of outer the frame is 125 mm(L) x 125 mm(W) x 40 mm(H) / The size of fan in inch is 4.92 in(L) x 4.92 in(W) x 1.57 in(H).
  • Operating Voltage Range: DC 12V | Current: 0.22 ~ 0.45 Amp | Speed: 1400 ~ 1800 RPM | Airflow: 51.86 ~ 68.04 CFM | Noise: 30 ~ 38 dBA | Pressure: 2.90 ~ 5.00 mmAq.
  • High Speed: This model is designed to maximize airflow and can be too loud for some applications.
  • Lead wire: (+): Red wire ; (-): Black wire. Bearing Type: Sleeve Bearing / Double Ball Bearing; Life: working up to 50,000h at 25 degrees.
  • Please Comfirm the Fan Size, Voltage, Connector and other parameters before purchase.



General Specification:
Frame: PBT(Black)UL94V-0
Impeller: PBT(Black)UL94V-0
Operating Temperature: -10ºC~70ºC
Motor Protection: Auto Restart or Polarity Protection
Insulation Resistance: 20MΩ or over with a DC500V Megger
Dielectric Withstand Voltage: AC500V 1s
Bearing Type: Sleeve Bearing or Ball bearing


·All reading are typical values at rated voltage.
·Parameters can be set according to customer requirements.


  • The winding of our fan motors is 100% made by copper;
  • Soft material silicone feet provide better shock absorption;
  • It's approved by UL/CE, as well as in compliance with RoHS requirement;
  • Due to the Unique design, they can easily be accommodated in various devices;
  • Long life cycle, low noise, high efficiency, meet the strict test of waterproof and dustproof.

More Models

These fans are available in several sizes to accommodate diverse applications— such as those found in tight spaces or difficult to reach areas.

Type Model Size
G11030 φ110x30mm
G12030 φ120x30mm
G12040A φ120x40mm
G12540 φ125x40mm
G14044 φ140x44mm


DC frameless bracket fans can be widely used in computers, communication products, optoelectronic products, consumer electronic products, automotive electronic equipment and other fields.

  • Customized items related to cooling systems such as refrigerators, humidifiers, air purifiers, power supplies, radiators and electric welding machines, ect.
  • Create a cooling system to keep the ventilation system of household appliances, computers, power supplies and other electronic equipment running at the ideal temperature and the best speed.

Quality Control

CHUNGFO has strict delivery inspection standard to ensure that the products quality meets customer’ requirements.

In addition, our fans are tested for quality to ensure the best possible performance. Our quality control staff is highly trained to perform stringent testing procedures.


Over the years, we have been with many well-known brands to achieve friendly cooperation.

Sincerely thank our customers for their trust and support.


All our products are approved by CE, UL and ect, as well as in compliance with RoHS requirement, quality is reliable and guaranteed.

Want to know about this product?

Leave A Message

If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

Related Products
DC/Ec Air Cooling System Centrifugal Frameless Radiator Fan frameless dc fan
This centrifugal cooling fan is certified by CE, UL and RoHS. Industrial grade strength PBT material, icreasing the fan’s operation stability and life span. Padded corners help dampen any vibration noise when mounting.
Electric Air Radiator 2500rpm Frameless Bracket Fan 92mm frameless fan
The innovative design of the fan blades improves the air flow and facilitates a highly efficient ventilation, the impeller was designed with a focus on minimzing the noise level. Soft material silicone feet provide better shock absorption.
Plastic Impeller Air Centrifugal Frameless Fan for Ventilation 120mm frameless fan
When the power input voltage is 12V ,the centrifugal fan can be work very quiet and silent, you may hard to hear the noise of it , but it also offer you 60 CFM airflow.
Industrial Air Cooling Frameless Bracket 70cfm Exhaust Fan frameless exhaust fan
Containing long life dual ball bearings, the fan can run continuously for 67,000 hours and be mounted in any direction (The operating temperature is  -10℃ to 70℃).
Energy Saving Air Circulation Frameless Bracket Ventilator Fan frameless 120mm fan
High performance centrifugal cooling fan, size is 120x120x40mm. Efficiency DC/EC motor, allowing fans to consume up to 80% less energy. Moved more air at less power consumption.
Sleeve/Ball Bearing Air Centrifugal Frameless Quiet Cooling Fan frameless cooling fan
The centrifugal fan with PWM function enables the motherboard to accurately run the fan at the required speed. This ensures the required cooling and minimizes noise levels.
Electric Air Cooled 12V/24V Radiator Ventilation Blower electric air blower
Lightweight, low energy consumption, and  long service life. This blower fan offer Concentrated airflow is suitable for 3D printer, humidifier and other small appliances cooling. Also it will be your first chooice when you need fan replacement.
AC Shaded Pole Fan Asynchronous Gear Engine Motor shaded pole motor
AC shaded-pole motors are widely used in small household appliances such as electric fans, hair dryers and vacuum cleaners because of their simple structure, low manufacturing cost and low running noise.
Stay informed by signing up for our mailing list
Leave A Message
Leave A Message
If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.