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305mm 12V 350W Brushless DC Axial Fan

The 305 mm 12 V 350 W Brushless DC Axial Fan is engineered for high-performance cooling in demanding environments. With IP68-level protection, ultra-low noise, durable components, and fast response, it’s perfectly suited for applications such as construction vehicles, buses, electric vehicle battery/motor cooling, and charging station heat dissipation. This model can also serve as a drop-in replacement for SPAL 320.
  • WBLF-1251-AS2350

  • SUNLIGHT (SLT)

Availability:
Quantity:


Specification


Max fan speed

rpm 3300
Min fan speed rpm 1000
Sound pressure level dBA 78 - at 1 m from the fan module - lateral side
Weight kg 2.5
Operating supply voltage range V 9 - 16 at the Drive connector
Supply voltage to reach max speed V 13 - 16 at the Drive connector
Operating ambient temperature range °C  -40 - +85
Speed derating threshold °C  +85 
Storage temperature range °C  -40 - +110
Lifetime h up to 40000 hours depending on mission profile
Time from 0 rpm to max speed s 3~5s
Load dump protection ( Pulse 5b ) V 35 - Pulse peak voltage (Us*) - ISO16750 - 2:2010
Reverse polarity protection
yes


Dimension (in mm)

WBLF-1251-AS2350 brushless dc fan dimension

Airflow:

WBLF-1251-AS2350 brushless dc fan airflow

Picture

Brushless dc axial fan 12inch 12v



Advantages

  1. Proprietary Design – Custom-designed aerodynamic blades and intelligent driver system.

  2. Strong Cooling Output – 350W high power ensures performance under heavy thermal loads.

  3. Low Noise & Stability – Optimized airflow design reduces wind noise and vibration.

  4. Durability in Harsh Conditions – IP68 and ISO 16750 compliance for rugged environments.

  5. Flexible Speed Control – Supports PWM, analog (0–5V/0–10V), or CAN bus control.

  6. Certified Reliability – EMC compliant and backed by patents for performance assurance.


Application

  • Construction machinery (excavators, loaders, tractors)

  • Bus, coach & commercial vehicle HVAC systems

  • Electric vehicles (battery, motor, and controller cooling)

  • Generator sets & industrial power equipment

  • Cold-chain trucks & refrigeration units

  • EV charging stations & telecom base stations

  • Defense, military & special-purpose vehicles

application-new energy vehicleNew nergy vehicle

QQ图片20220525135113Hydrogen fuel vehicles  heat dissiation system

充电桩

New energy charging pile heat dissipation system




About Sunlight


Since 1990, Sunlight has specialized in manufacturing high-performance brushless fans and blowers. Certified with ISO9001 and IATF16949, our products meet CE, RoHS, and EMC standards. Widely applied in automotive, machinery, refrigeration and energy industriesSunlight is committed to delivering quality, innovation, and reliable cooling solutions.

All fans undergo 100% testing before shipment, with customization and technical support available.



Test  Experiment

test burshless fans


testing


无刷风机EMC认证_31


test brushless condenser fans


Certifications

EMC certificate 

CE certificate for axial fan

CEPCT certification


CE certificate


ISO9000 certification


patent for invention -2


patent for invention


Utility patents



DC Fan are shipped all over the world 

delivery brushless fans-5 delivery dc fans 
delivery brushless fan

delivery to European

delivery brushless fan delivery brushless fans
delivery goods

delivery axial fans

Our Factory Exhibition Scene

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 Exhibition show romm

exhibition show room

BMW exhibition hall

BMW exhibition


exhibition -2


exhibiton-3


exhibition-show room-4jpg

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Ordering Information


FAQ

Q1: Why choose a brushless DC axial fan?
A: Brushless fans are more efficient, quieter, longer-lasting, and maintenance-free compared to brushed fans.

Q2: What is the maximum airflow of this fan?
A: Airflow depends on system resistance. Please check performance curves or consult our engineers.

Q3: Can I customize the control method?
A: Yes. Options include PWM, analog voltage (0–5V / 0–10V), and CAN bus control.

Q4: Do you provide samples for testing?
A: Yes, we support sample orders for performance verification.

Q5: What is the MOQ (minimum order quantity)?
A: 2

Q6: What is the lead time?
A: Samples within 14 days; mass production usually 21 days depending on order volume and customization.


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