Compact centrifugal exhaust fan — voltage 24/48v, blade material Plastic. The complete factory specification follows. Made by Seemtek Fan (Suzhou) Co., Ltd. (3 years on the platform, typical reply ≤11h). Quantity and destination market determine the final price — tell us both for a firm quote.
Key Features of This Compact Centrifugal Exhaust Fan
- Model Number: B3D-24175-S7-00, B3D-48175-S7-00, B3D-24175-S7-01, B3D-48175-S7-01
- Voltage: 24/48v
- Blade Material: Plastic
- Speed Control: 0-10VDC/PWM
- Warranty: 2 Years
- Place Of Origin: Jiangsu, China
Technical Specifications
| Mounting | Any |
|---|---|
| Voltage | 24/48v |
| Blade Material | Plastic |
| Warranty | 2 Years |
| After-Sales Service Provided | Video Technical Support |
| Customized Support | OEM, ODM |
| Place Of Origin | Jiangsu, China |
| Brand Name | Seemtek |
| Model Number | B3D-24175-S7-00, B3D-48175-S7-00, B3D-24175-S7-01, B3D-48175-S7-01 |
| Product Type | Centrifugal Fan with Bracket |
| Speed Control | 0-10VDC/PWM |
| Fan Pressure | Medium Pressure Fan |
| Motor Type | DC External Rotor Motor |
| Type | Centrifugal Fan |
| Core Components | Impeller,Control System |
| Selling Units | Single item |
| Single Package Size | 30X30X14 cm |
| Single Gross Weight | 2.5 kg |
Product Details


Voltage Type | DC |
Motor Type | DC Brushless External Rotor Motor |
Impeller Diameter | 175mm |
Impeller Material | Plastic |
Speed Control | 0-10VDC/PWM |
Insulation Class | B |
Operation Temperature | – 25 ºC ~ +60 ºC |
Motor Protection | Locked-Rotor Protection, Reverse Polarity Protection, Thermal Protection, Soft Start |












































Ordering and Pricing
- Minimum order quantity: 1 piece
- Volume pricing:
- 1–99 piece: US $26.5 / piece
- 100–499 piece: US $25.3 / piece
- 500+ piece: US $23.5 / piece
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this compact centrifugal exhaust fan?
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 2 Years warranty. Spare parts and technical support remain available after the warranty period.
Can the compact centrifugal exhaust fan be supplied for my local voltage?
The standard configuration is 24/48v. 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 Seemtek Fan (Suzhou) Co., Ltd., based in China. The company 3 years as a verified Alibaba.com supplier, Trading Company. Browse the full Seemtek Fan (Suzhou) Co., Ltd. range on HVACR Nexus.
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