Key specification for this centrifugal fan: 24V / 48V, blade material Plastic +GL. Everything below is reproduced from the factory data sheet. Made by Ningbo Longwell Electric Technology Co., Ltd. (8 years on the platform, factory-assessed). Send your target quantity and destination for a firm quotation with current lead times.
Key Features of This Centrifugal Fan
- Model Number: LWBD – 175mm
- Voltage: 24V / 48V
- Blade Material: Plastic +GL
- Material: ABS+GL
- Warranty: 1 Year
- Certification: CE/CCC/RoHS
Technical Specifications
| Mounting | Wall Fan |
|---|---|
| Voltage | 24V / 48V |
| Blade Material | Plastic +GL |
| Electric Current Type | DC |
| 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 | LWBD – 175mm |
| Product Name | dc centrifugal fan |
| Application | Exhaust Ventilation |
| Size | 190mm diameter |
| Motor | DC Brushless external rotor motor |
| Packing Weight | 2.50 kg |
| Noise/Frequency | 50~63 dBA/ 50/60 Hz |
| Bearing Type | NSK Ball bearing |
| Color | Black |
| Material | ABS+GL |
| Certification | CE/CCC/RoHS |
| Selling Units | Single item |
| Single Package Size | 22X22X15 cm |
| Single Gross Weight | 2.5 kg |
Product Details


Types : | LWBD – 190mm 24V / 48V DC Backward curved Brushless motor DC Backward Centrifugal fan |
Voltage Ranges : | 24V,48V |
Frequency : | 50/60 Hz |
Diamter : | 190mm ( impeller diameters ) |
Motor Types : | BLEC External Rotor Motor |
Speed Control : | 0-10V Signal / PWM / RS485(Optional) |
Max.ambient Temp: | -25℃~ +60℃ |
Certificating : | All necessary certifications suitable for USA & Europe , ETL,UL ,CE ,RoHS, ISO19001,ISO 14001,BSCI |
Protection Level: | IP44 ,IP54,IP55 |
Electronic Protection: | Current limiting protection ,Over-temperature protection,Over-current protection,Locked-rotor protection,Soft start |
Operating temperature:-25~60℃;Operating humidity:0 ~ 85 % RH Storing temperature:-25 ~ 70℃;Storing humidity:0 ~ 95 % RH Applicable altitude range:<1000m | |
Balancing | According to JB/T 9101-1999 requirements G6.3 |
Product Standards : | LVD EN60950-1 EMC EN61000-6-3,EN61000-4-2, EN61000-4-3 |
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Ordering and Pricing
- Minimum order quantity: 100 piece
- Volume pricing:
- 100–499 piece: US $23 / piece
- 500–999 piece: US $22 / piece
- 1000+ piece: US $20 / 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 24V / 48V. 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.
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