Centrifugal fan — 115V / 230V, blade material Galvanized Metal. The complete factory specification follows. Made by Ningbo Longwell Electric Technology Co., Ltd. (8 years on the platform, factory-assessed). For a binding price and lead time, send the volume you need and where it ships to.
Key Features of This Centrifugal Fan
- Model Number: LWBA-280mm
- Voltage: 115V / 230V
- Blade Material: Galvanized Metal
- Material: Galvanized Metal
- Warranty: 1 Year
- Certification: CE/CCC/RoHS
Technical Specifications
| Mounting | Wall Fan |
|---|---|
| Voltage | 115V / 230V |
| Blade Material | Galvanized Metal |
| Electric Current Type | AC |
| Warranty | 1 Year |
| After-Sales Service Provided | Free Spare Parts |
| Customized Support | OEM, ODM, OBM |
| Place Of Origin | Zhejiang, China |
| Brand Name | LONGWELL |
| Model Number | LWBA-280mm |
| Product Name | Centrifugal Exhaust Fan |
| Application | Exhaust Ventilation |
| Size | 280mm diameter |
| Motor | AC capacitor motor |
| Weight | 3.0 kg |
| Noise/Frequency | 50~63 dBA/ 50/60 Hz |
| Bearing Type | NSK Ball bearing |
| Color | Black |
| Material | Galvanized Metal |
| Certification | CE/CCC/RoHS |
| Packaging Details | standard exporting carton package |
| Port Of Dispatch | NINGBO OR SHANGHAI |
| Selling Units | Single item |
| Single Package Size | 35X35X25 cm |
| Single Gross Weight | 5.0 kg |
| Supply Ability | 50000 pieces per Month |
Product Details




Types : | LWBA2E 4E 280mm backward curved centrifugal fans | ||||||
Voltage Ranges : | 115V,230V,380V~50/60 Hz ; | ||||||
Diamter : | 280mm ( impeller diameters ) | ||||||
Height : | 103.5mm ,106.5mm,115mm,136.5mm,174mm | ||||||
Motor Types : | AC Capacitor Motor | ||||||
Fan Speeds : | 900 – 2700 rpm | ||||||
Speed Control : | 1-2-3 speeds available | ||||||
Amb.Temp: | -25℃~ +60℃ | ||||||
Materials : | Plastic ABS+GF / Galvanized Metal Sheet | ||||||
Certificating : | All necessary certifications suitable for USA , Europe | ||||||
Product Standards : | LVD EN60950-1 EMC EN61000-6-3,EN61000-4-2, EN61000-4-3 | ||||||
Mainly Applications | AUH/ AIR PURIFIER / Server Cooling & Ventilation / Grow Tent / Medical equipments/ Ventilation SYSTEM/ Equipments Cooling / Refrigerator ,etc | ||||||


































Ordering and Pricing
- Minimum order quantity: 100 piece
- Volume pricing:
- 100+ piece: US $40 / piece
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this centrifugal fan?
The standard minimum order quantity is 100 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.
Which certifications does this centrifugal fan carry?
It is supplied with CE/CCC/RoHS documentation, which covers the requirements of most import markets. Additional test reports can be issued on request.
Can the centrifugal fan be supplied for my local voltage?
The standard configuration is 115V / 230V. 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 Ningbo Longwell Electric Technology Co., Ltd., based in China. The company 8 years as a verified Alibaba.com supplier, Trading Company, passed third-party supplier assessment. Browse the full Ningbo Longwell Electric Technology Co., Ltd. range on HVACR Nexus.
See more in Impellers & Fan Blades on HVACR Nexus.
























