This external rotor brushless motor is published with the manufacturer’s full specification — 16.8v, type Micro Motor. Made by Dongguan Country Dream Motor Co.,Ltd. (11 years on the platform, factory-assessed). Quantity and destination market determine the final price — tell us both for a firm quote.
Key Features of This External Rotor Brushless Motor
- Model Number: BL4525O
- Rated Power: 50 W
- Rated Voltage: 16.8v
- Speed Rpm: 3500rpm
- Speed(RPM): 3500rpm
- Warranty: 3Years
Technical Specifications
| Commutation | Brushless |
|---|---|
| Rated Voltage | 16.8v |
| Rated Power | 50 W |
| Speed Rpm | 3500rpm |
| Speed(RPM) | 3500rpm |
| IP Rating | IP55 |
| Efficiency | IE 2 |
| Type | Micro Motor |
| Construction | Permanent Magnet |
| Frame | 45mm |
| Motor Mounting Type | Flange Mount |
| Protect Feature | Explosion-proof |
| Usage | Fan, Home Appliance, Smart Home, Fascia Massage Gun |
| Warranty | 3Years |
| Continuous Current(A) | 3A |
| Model Number | BL4525O |
| Torque | 700g.cm |
| Place Of Origin | Guangdong, China |
| Brand Name | CDM |
| Certification | RoHS |
| Typical Applications | Massage |
| Motor Type | Outrunner Brushless Dc Motor |
| Selling Units | Single item |
| Single Package Size | 38X28X27 cm |
| Single Gross Weight | 0.17 kg |
Product Details
Brushless DC outrunner Motors :
1,Voltage Range : 12V-24V
2,speed Range :2000-5000RPM.
3,Application :fan, massager, personal care and so on
4,low noise , long life ,cost-effective


Micro DC Motor Outline/ Technical Parameter/ Micro DC Motor Performance Curve:










Ordering and Pricing
- Minimum order quantity: 1000 piece
- Volume pricing:
- 1000–9999 piece: US $5 / piece
- 10000+ piece: US $4 / 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 brushless motor?
The standard minimum order quantity is 1000 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 3Years warranty. Spare parts and technical support remain available after the warranty period.
Which certifications does this external rotor brushless motor carry?
It is supplied with RoHS documentation, which covers the requirements of most import markets. Additional test reports can be issued on request.
Can the external rotor brushless motor be supplied for my local voltage?
The standard configuration is 16.8v. 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 Dongguan Country Dream Motor Co.,Ltd., based in China. The company 11 years as a verified Alibaba.com supplier, operates its own manufacturing, passed third-party supplier assessment. Browse the full Dongguan Country Dream Motor Co.,Ltd. range on HVACR Nexus.
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