The external rotor motorized impeller listed here carries 380V, blade material Plastic, documented exactly as the manufacturer publishes it. Made by Zhengzhou Dema Electric Co., Ltd. (3 years on the platform, typical reply ≤3h). Quantity and destination market determine the final price — tell us both for a firm quote.
Key Features of This External Rotor Motorized Impeller
- Voltage: 380V
- Blade Material: Plastic
- Speed: 2750RPM
- Warranty: 1 Year
- Place Of Origin: Henan, China
- Type: Backward Curved Blade Radial Fan
Technical Specifications
| Type | Backward Curved Blade Radial Fan |
|---|---|
| Voltage | 380V |
| Speed | 2750RPM |
| Blade Material | Plastic |
| Mounting | Duct Fan |
| Warranty | 1 Year |
| After-Sales Service Provided | Online support |
| Customized Support | OEM |
| Place Of Origin | Henan, China |
| Brand Name | DEMMA |
| Color | Black |
| Selling Units | Single item |
Product Details
- Precise Spec: 6 Inch (133mm), large airflow of 171 CFM (290 m³/h) , efficient heat dissipation & ventilation
- Backward Centrifugal Structure: 45 Pa sufficient static pressure, stable air pressure for continuous cabinet cooling
- Durable Material: PA66 nylon impeller & steel base plate, anti-deformation, anti-aging and long service life
- Low-noise Stable Operation: 2750RPM constant speed, 58dB-A low noise for long-term non-stop working
Ordering and Pricing
- Minimum order quantity: 1 piece
- Volume pricing:
- 1–99 piece: US $27.46 / piece
- 100+ piece: US $21.2 / piece
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this external rotor motorized impeller?
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 external rotor motorized impeller be supplied for my local voltage?
The standard configuration is 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 Zhengzhou Dema Electric Co., Ltd., based in China. The company 3 years as a verified Alibaba.com supplier, operates its own manufacturing. Browse the full Zhengzhou Dema Electric Co., Ltd. range on HVACR Nexus.
See more in Cross Flow Fans on HVACR Nexus.
