This air purifier is published with the manufacturer’s full specification — 24 V, power source DC. Made by Dongguan Best Motor Co., Ltd. (4 years on the platform, typical reply ≤4h). For a binding price and lead time, send the volume you need and where it ships to.
Key Features of This Air Purifier
- Model Number: BTF50290H24B
- Power Source: DC
- Power: 9.12W
- Voltage: 24 V
- Material: aluminum
- Blade Material: aluminum frame
Technical Specifications
| Voltage | 24 V |
|---|---|
| Speed | 2100 RPM |
| Type | CROSS FLOW FAN |
| Material | aluminum |
| Blade Material | aluminum frame |
| Mounting Type | Free Standing |
| Bearing Type | Ball Bearing |
| Power Source | DC |
| Warranty | 1 Year |
| After-Sales Service Provided | Online support |
| Customized Support | OEM, ODM |
| Place Of Origin | Guangdong, China |
| Brand Name | Bestfan |
| Model Number | BTF50290H24B |
| Product Name | Cross flow fan |
| Size | 50*290MM |
| Color | Black and silver |
| Current | 0.38A |
| Power | 9.12W |
| Selling Units | Single item |
| Single Package Size | 25X25X25 cm |
| Single Gross Weight | 2.0 kg |
Product Details
Product Description
About this item
Structure and Materials
* Housing: Precision-stamped via molds and electrophoretically coated for aesthetic appearance and structural stability.
* Impeller: Made of aluminum-magnesium alloy, lightweight yet high-strength. Balanced dynamically and statically for smooth operation, high air volume/pressure, low vibration, and noise.
* Bearings: Optional high-precision ball bearings (45,000h lifespan) or oil-impregnated bearings (20,000h lifespan).
Performance Features
* Motor Compatibility: Works with AC shaded-pole/capacitor (plastic-sealed) motors (AC models) or DC brushless motors (DC models), supporting voltages like 110V/220V (AC) or 12V/24V (DC). Equipped with high-temperature resistant motors for stable direct-mount operation.
* Flexible Air Outlet: Customizable square-to-round outlets with 0°, 90°, 180° adjustment options.
* Special Functions: Some models feature intelligent PWM speed control, TC temperature control, RD alarm, IC protection (with stall auto-restart), waterproofing, and eco-friendly design for complex scenarios.
Application Suitability
Suitable for electric fireplaces, steam ovens, air purifiers, electronic devices, etc. Dimensions (diameter/length) and angles can be customized for high adaptability.
* Housing: Precision-stamped via molds and electrophoretically coated for aesthetic appearance and structural stability.
* Impeller: Made of aluminum-magnesium alloy, lightweight yet high-strength. Balanced dynamically and statically for smooth operation, high air volume/pressure, low vibration, and noise.
* Bearings: Optional high-precision ball bearings (45,000h lifespan) or oil-impregnated bearings (20,000h lifespan).
Performance Features
* Motor Compatibility: Works with AC shaded-pole/capacitor (plastic-sealed) motors (AC models) or DC brushless motors (DC models), supporting voltages like 110V/220V (AC) or 12V/24V (DC). Equipped with high-temperature resistant motors for stable direct-mount operation.
* Flexible Air Outlet: Customizable square-to-round outlets with 0°, 90°, 180° adjustment options.
* Special Functions: Some models feature intelligent PWM speed control, TC temperature control, RD alarm, IC protection (with stall auto-restart), waterproofing, and eco-friendly design for complex scenarios.
Application Suitability
Suitable for electric fireplaces, steam ovens, air purifiers, electronic devices, etc. Dimensions (diameter/length) and angles can be customized for high adaptability.
Model | Rated voltage | Input power | Rated speed | Airflow Velocity | Noise |
50290 fan | 24V | 9.12W | 2100RPM | 140-180 m³/h | 35-50dbA |
Product Structure
Connector
Packing & Delivery
To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided.
Company Profile
Dongguan Best Motor Co., Ltd. was founded in 2007, specializes in designing and manufacturing various cooling fans. Since our foundation, we have been researching customers' needs and developing new products to meet their needs. The newly developed BL series (dual AC and DC) is designed for the shortness of cooling fans in the present market. They are featured with low consumption, small vibration, reliable function and easy installation. Cooling fans are used in serious heating sources, such as transducers, cars, air conditioners, UPS and power supplies. Special models can be designed and manufactured specially. The quality of product is the life of our company. We have set up a complete set of precise quality-control system. All of our products have gained patents. With developed manufacturing equipment, advanced management and dedicated working staff, our company is able to provide customers with high quality products as well as excellent services. In the past years, we have successfully set up business relationships with a lot of factories and companies in the world. Genuinely welcome your inquiry and hope to have cooperation with you in the future.
Scope Of Application
FAQ
1.How to choose a DC fan?
1) Fan size 2) Voltage 3) Current or speed 4) Air flow you need 5) Noise level you expect 6) If you need FG/RD/PWM/waterproof function 2. What is the MOQ and delivery time? MOQ: 1000pcs Sample lead time: 3-7 working days Mass production lead time: 7 – 20 working days, 1 month for peak season. 3. How do we carry out quality control? There are more than 20 processes to making a fan, our production procedure follow ISO9001:2008, we need to control every process well. 1) Bearing: NMB from Japan which will ensure the working life. 2) ICMos and other electronic components, our suppliers include ROHM IR DALLAS Feeling Technology, and other famous brands. 3) Life testing, all of our projects will testing more than 1 year in such a environment: temperature is 60°C, voltage is more than 20%(such as: 24V, the testing voltage is 28V), and the power restarts every 2 minutes. 4) We have experiences of making high quality fan for more than 10 years, all of our fans can work more than 50000H in normal condition with dual ball bearing. 30000H with sleeve bearing. 5) All of our fans will be tested at least twice when they are in the product line, like currentspeednoisewave form and others, and 5-10% will be on random inspection. 4. Do you accept OEM? Can we print our own logo? Yes, we can print custom Logo . MOQ 5000pcs. 5. What can I do if we can not find the suitable fan model in the fan list? Please contact us for customized fans!
Ordering and Pricing
- Minimum order quantity: 1 piece
- Volume pricing:
- 1–599 piece: US $10.14 / piece
- 600–999 piece: US $10 / piece
- 1000+ piece: US $9.71 / piece
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this air purifier?
The standard minimum order quantity is 1 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 Year warranty. Spare parts and technical support remain available after the warranty period.
Can the air purifier be supplied for my local voltage?
The standard configuration is 24 V. 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 Dongguan Best Motor Co., Ltd., based in China. The company 4 years as a verified Alibaba.com supplier, operates its own manufacturing. Browse the full Dongguan Best Motor Co., Ltd. range on HVACR Nexus.
See more in Cross Flow Fans on HVACR Nexus.
