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DC 12inch 305mm 24V 850W Brushless DC Axial Fan replace spal BBL504 - WBLF-1251-BS3850-D

305mm 24V brushless dc axial fan WBLF-1251-BS3850-D, power 850W, airflow 4400m3/h, high waterproof :IP68 ,long life: 25000H, noise: 85db. This model can replace  SPAL BBL504 ,it is mainly to use in engineering trucks,  bus airdition system , especially for new energy vehicle and new hydrogen energy heat dissipation sysem and so on.
the DC brushless condenser fan can replace SPAL BBL504, IP68 waterproof, strong air volume 4400 m3/h ,noise :85db , we provide a wide range of high performance bldc fans and blowers, specially designed to meet new generation cooling systems.
Individually packing , fast delivery.
  • WBLF-1251-BS3850-D replace  SPAL BBL504

  • SUNLIGHT (SLT)

  • 4400m3/h

  • 25000H

  • IP68

  • use in engineering trucks,  bus airdition system , especially for new energy vehicle and new hydrogen energy heat dissipation sysem and so on

  • PWM

  • Brushless

  • 305mm

  • 24V

  • 35A

  • 850W

Availability:
Quantity:

Dimension of (in mm) of WBLF-1251-BS3850-D replace  SPAL BBL504

24v brushless fan drawing


Specification of WBLF-1251-BS3850-D replace  SPAL BBL504

Max fan speed

rpm 4400
Min fan speed rpm 2000
Sound pressure level dBA 85 - at 1 m from the fan module - lateral side
Weight kg 2.5
Operating supply voltage range V 18 .. 32 at the Drive connector
Supply voltage to reach max speed V 26 .. 32 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 65 - Pulse peak voltage (Us*) - ISO16750 - 2:2010
Reverse polarity protection
yes



Airflow of WBLF-1251-BS3850-D replace  SPAL BBL504

24v brushless fan airflow

Picture of WBLF-1251-BS3850-D replace  SPAL BBL504

Brushless dc axial fan 12inch 12v


Test  experiment

test burshless fans


testing


无刷风机EMC认证_31


test brushless condenser fans



Certification

EMC certificateEMC   for brushless fan 

CE certificate for axial fan EMC for  axial fan

CEPCT certification

CEPCT

CE certificate

CE certification

ISO9000 certification

ISO9001 certification

patent for invention -2

patent for invention

patent for invention

patent for invention

Utility patents

Utility patents



Application


Brushless dc axial fan is more and more used in the market, especially in the new energy vehicle.

The dimension range from 190mm to 400mm, airflow can reach to 4400m3/h

Temperature control, it can meet the different requirements at different condition.

Speed adjusted, it can help to save energy a lot.

And meanwhile, the service life much longer.

The brushless fan is mainly used in Loader, Construstion machinery, Drilling truck, Manure truck, Excavator, Snow shovel, Bus, Engineering vehicle,  Refrigeration truck ,it is mainly to use in engineering trucks,  bus airdition system , especially for new energy vehicle and new energy charging pile heat dissipation sysem and so on.



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




FAQ

Q :    Why are you choose Sunlight fans ?

A:     1、Our factory is certified by IATF16949

         2、We have a complete range of specificationsAll products shall be inspected 100% before shipment

         3、The fan performance is great ,strange air flow ,low noise , hight waterproof  IP 68  and longtime 

          4、fans are widely used ,it is mainly to use in engineering trucks,  bus airdition system , especially for new energy vehicle and new energy charging pile heat dissipation sysem and so on,It is very polpular in the market.

           5、We have a professional customer service team and engineering team,specially designed to meet new generation cooling systems.

           6、 Delivery fast ,For samples: within 7days; For orders: within 15days.


Q:Why is the quality of our brushless fans reliable?

A: 1、We have a professional R & D technical team, 8 doctoral students, 5 electrical engineers, 3 structural engineers

     2、Our engineering team develops and designs drive control panels to meet different customer needs

     3、The fan blade of our fan is independently developed and designed, and has a patent for invention

     4、We have perfect testing equipment ,Wind tunnel  experiment  equipment , vibration test bech  high and low temperature equipment  and noise room and so on .

     5、Our DC fans have been used in a large number of market oems, and can be applied to all kinds of working conditions, and the customer feedback   is very good。


Q:Why do most customers prefer brushless DC fans?

A: 1、More energy saving and environmental protection, reduce energy consumption

    2、The same power DC fan , brushless current is lower, more air volume, higher efficiency

    3、Can realize a variety of types of speed control

     4、long lifetime ,one brushless fan lifetime =equal to eight brushless fans



Q: What is the airflow of this fan?

A: The installation is flexible, it can be installed on both sides, so it can be used both for suction and blowing.


Q: What is the control method of this fan?

A: Generally, it is in high level effective, but we have the software team that can customized the control as you need.


Q:Could I take samples to test quality and market in advance?
A: Yes, welcome to take samples to test our quality and service.


Q:What's your minimum order quantity?
A:We don’t request for MOQ, any quantity are okay for us

Q:What's your delivery time?
A:For samples: within 7days; For orders: within 25days.


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

exhibition-show room-5jpg

 Exhibition show romm

exhibition show room

BMW exhibition hall

BMW exhibition


exhibition -2


exhibiton-3


exhibition-show room-4jpg

Name4


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