Key specification for this kitchen rectangular duct extractor: 220V/380V, power source type Corded Electric. Everything below is reproduced from the factory data sheet. Made by Zhongshan Sentong Electromechanical Technology Co., Ltd. (2 years on the platform, typical reply ≤2h). Send your target quantity and destination for a firm quotation with current lead times.
Key Features of This Kitchen Rectangular Duct Extractor
- Model Number: RKB700*400
- Power Source Type: Corded Electric
- Voltage: 220V/380V
- Material: Metal
- Blade Material: Metal
- Speed: 1350rpm
Technical Specifications
| Mounting | Duct Fan |
|---|---|
| Voltage | 220V/380V |
| Speed | 1350rpm |
| Material | Metal |
| Blade Material | Metal |
| Power Source Type | Corded Electric |
| Warranty | 3 Years |
| After-Sales Service Provided | Free Spare Parts |
| Customized Support | ODM, OEM |
| Place Of Origin | Guangdong, China |
| Brand Name | Nussun |
| Model Number | RKB700*400 |
| Product Name | Commercial Kitchen Rectangular Extractor Fan |
| Motor | External rotor motor |
| Impeller | Backward-curved Centrifugal impeller |
| Enclosure Class | IP44 |
| Insulation Class | F |
| Ball Bearing | TPI ball bearing |
| Connection Box | ABS(FR) |
| Casing | galvanized steel plate |
| Feature | Low noise, large airflow |
| For Air Duct Style | rectangular duct |
| Selling Units | Single item |
| Single Package Size | 105X80X49 cm |
| Single Gross Weight | 52.0 kg |
Product Details




























1. Who are we? We are based in Guangdong, China, start from 2012,sell to Domestic Market(50.00%),Southeast Asia(30.00%),Eastern Europe(20.00%). There are total about 11-50 people in our office. |
2. How can we guarantee quality? Always a pre-production sample before mass production; Always final Inspection before shipment; |
3.What can you buy from us? Ventilation Fans, Duct Fan,Acoustic Box Fan,Centrifugal Inline Fan,Energy Recovery Ventilator,Mixed Flow Inline Fan. |
4. Why should you buy from us not from other suppliers? We are professional manufacture of hydroponics inline duct fans and indoor ventilating equipments, and committed our business cover all the world, OEM & ODM are welcome. |
5. What services can we provide? Accepted Delivery Terms: FOB,CIF,EXW,Express Delivery; Accepted Payment Currency:USD,CNY; Accepted Payment Type: T/T,L/C; Language Spoken:English, Chinese ,Spanish. |




Ordering and Pricing
- Minimum order quantity: 1 piece
- Volume pricing:
- 1–99 piece: US $288.78 / piece
- 100+ piece: US $251.2 / piece
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this kitchen rectangular duct extractor?
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 3 Years warranty. Spare parts and technical support remain available after the warranty period.
Can the kitchen rectangular duct extractor be supplied for my local voltage?
The standard configuration is 220V/380V. 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 Zhongshan Sentong Electromechanical Technology Co., Ltd., based in China. The company 2 years as a verified Alibaba.com supplier, Trading Company. Browse the full Zhongshan Sentong Electromechanical Technology Co., Ltd. range on HVACR Nexus.
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