Radiator — 24V, airflow 4000. The complete factory specification follows. Made by Changzhou Sunlight Electrical Appliance Co., Ltd. (11 years on the platform, typical reply ≤7h). For a binding price and lead time, send the volume you need and where it ships to.
Key Features of This Radiator
- Model Number: WBLF-1251-BS3850
- Voltage (V): 24V
- Airflow((M^3/H): 4000
- Speed(RPM): 4350
- Warranty: 1 Years
- Place Of Origin: Jiangsu, China
Technical Specifications
| Purpose | for replace/repair |
|---|---|
| Condition | New |
| Warranty | 1 Years |
| Universal Fitment | Yes |
| OE NO. | Universal |
| Place Of Origin | Jiangsu, China |
| Brand Name | SLT |
| Model Number | WBLF-1251-BS3850 |
| Product Name | 12V 12 Inch Brushless DC Radiator Cooling Fan |
| Part Number | WBLF-1251-BS3850 |
| Diameter In Mm | 305 |
| Diameter In Inch | 12 |
| Voltage (V) | 24V |
| Current(A) | 32 |
| Airflow((M^3/H) | 4000 |
| IP Rating | IP68 |
| Speed(RPM) | 4350 |
| Motor | DC Brushless Motor |
| Selling Units | Single item |
| Single Package Size | 35X35X15 cm |
| Single Gross Weight | 4.0 kg |
Product Details
12v 12 inch supply bldc fan with 25000H life span dc radiator fan motor
Product Detail
| Name | 12 inch supply bldc fan with 25000H life span |
| Part Number | WBLF-1251-BS3850 |
| Diameter in mm | 305 |
| Diameter in inch | 12 |
| Voltage (V) | 24V |
| Power(W) | 850W |
| Current(A) | 32 |
| Airflow((m^3/h) @100Pa | 4000 |
| IP Rating | IP68 |
| Color | Black |
| Product Keywords | 12 inch exhaust fan |
Dimension of 12inch bldc fan



1.Q:Before place a order,how can i choose ?
A:Please specify the wheel diameter size,width,voltage,power and no-load speed of the required wheel motor.
2.Q:Could I take samples to test quality and market in advance?
A:Yes, welcome to take samples to test our quality and service.
3.Q:What's the total cost for samples?
A:Total sample cost= sample cost + freight
We will give u the best shipping cost after knowing the wheel size, battery needed or not .
4.Q:How do you ship samples?
A:Considering sample quantity is not big, we support ship samples by EMS,TNT or Fedex , fast and less damages.
5.Q:What's your minimum order quantity?
A:10sets, one or two samples are ok .
6.Q:Could I use my own forwarder?
A:Yes
7.Q:I am new to international business,could you find an experienced forwarder to organize shipment for us?
A:Yes, we will assist and guild you to work out the shipping and import process.
8.Q:Is the sample same with formal orders?
A:Yes, sample's specification, performance, quality are totally same with formal orders.
9.Q:What's your delivery time?
A:For samples: within 7days; For orders: within 25days.
1. Free maintenance within 12 months guarantee.
2. Professional research and development team.
3. Technical support for installation.
4. Strict quality control system.
5. Customize production. packed in carton box accroding to the wheel size,different wheel size needs different box.


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Ordering and Pricing
- Minimum order quantity: 10 piece
- Volume pricing:
- 10–99 piece: US $85.71 / piece
- 100–199 piece: US $80 / piece
- 200–499 piece: US $74.29 / piece
- 500+ piece: US $68.57 / piece
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this radiator?
The standard minimum order quantity is 10 piece. Trial orders can usually be arranged for buyers evaluating the product before a full production run.
What warranty is provided?
The manufacturer provides a 1 Years warranty. Spare parts and technical support remain available after the warranty period.
Can the radiator be supplied for my local voltage?
The standard configuration is 24V. Alternative voltage and frequency builds are available when specified at the time of order.
Do you accept OEM or custom branding?
Yes. Custom logo, colour, packaging and specification changes are accepted on qualifying order volumes. Send your artwork and technical requirements with your enquiry.
How long does production and delivery take?
In-stock configurations typically ship within 7–15 days. Customised or large-volume orders are usually produced in 25–35 days, confirmed on order.
About the Manufacturer
This product is produced by Changzhou Sunlight Electrical Appliance Co., Ltd., based in China. The company 11 years as a verified Alibaba.com supplier, operates its own manufacturing. Browse the full Changzhou Sunlight Electrical Appliance Co., Ltd. range on HVACR Nexus.
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