Dc brushless motors — rated voltage 12/24V, type Gear Motor. The complete factory specification follows. Made by Ningbo Doncen Machinery & Electronics Co., Ltd. (6 years on the platform, typical reply ≤13h). For a binding price and lead time, send the volume you need and where it ships to.
Key Features of These Dc Brushless Motors
- Model Number: SG-555
- Rated Power: 15w
- Rated Voltage: 12/24V
- Gearbox Material: Steel
- Speed(RPM): 1-1000rpm
- Warranty: Other
Technical Specifications
| Commutation | Brush |
|---|---|
| Speed(RPM) | 1-1000rpm |
| Efficiency | IE 2 |
| Type | Gear Motor |
| Construction | Permanent Magnet |
| Protect Feature | Waterproof |
| Usage | Boat, Car, Electric Bicycle, Fan, Home Appliance, Smart Home, Office Equipment |
| Warranty | Other |
| Continuous Current(A) | ~2A |
| Model Number | SG-555 |
| Torque | 0.1-100kgf.cm(0.09-86.80lbf.in) |
| Place Of Origin | Ningbo,CHINA |
| Brand Name | DoncERNs |
| Product Name | DC Spur Brush Gear Motor |
| Brush Type | Metal Carbon Brush |
| Gearbox Diameter | 37mm |
| Gearbox Material | Steel |
| Shaft Diameter | Customized |
| Rated Voltage | 12/24V |
| Rated Power | 15w |
| Noise | Low Noise Level |
| Certification | CE/ROHS |
| Application | Home Appliance, Automatic |
| Packaging Details | 1.Export standard carton/foam 2.Customized packing condition per your requirements |
| Port Of Dispatch | Ningbo |
| Selling Units | Single item |
| Single Volume | 0 cm³ |
| Single Gross Weight | 0.0 kg |
| Supply Ability | 2000000 pieces per Month |
Product Details




Diameter | 37mm | |
Material | Metal | |
Gear | Powder metallurgy | Steel gear |
Output Torque | 0-10N.m | |
Operating Temperature | -20℃-85℃ |
Gear Stages | 2、3 | 4、5 | 6、7 |
Reduction Ratio | 6、10;20、30 | 60、90;120、180、270 | 360、540、810 |
Gearbox Length (mm) | 23.5 | 26、28 | 30 |
Max Running Torque | 10kgf.cm | 50kgf.cm | 50kgf.cm |
Gear Breaking Torque | 30kgf.cm | 100kgf.cm | 100kgf.cm |
Gearing Efficiency | 81%;73% | 65%;59% | 53%;48% |
Motor Type | Voltage (V) | No Load Speed (rpm) | Rated Speed (rpm) | Rated Current (mA) | Rated Torque (gf.cm) | Rated Power (W) |
SG-555123000 | 12 | 3000 | 2200 | ≤800 | 150 | 3.3 |
SG-555124500 | 12 | 4500 | 3300 | ≤1200 | 220 | 7.2 |
SG-555126000 | 12 | 6000 | 4500 | ≤2000 | 300 | 13.5 |
SG-555243000 | 24 | 3000 | 2200 | ≤400 | 150 | 3.3 |
SG-555244500 | 24 | 4500 | 3300 | ≤600 | 220 | 7.2 |
SG-555246000 | 24 | 6000 | 4500 | ≤1000 | 300 | 13.5 |






Q: Can I have a sample order?
A: Yes, we can provide sample for our customers. The sample fee will refund after a certain number of orders.
Q: How to achieve the quality control system in our factory.
A: Our factory certified with ISO9001 and TS 16949. Btw, we have more than 10 quality inspectors who responsible for the factory inspection of geared motor. We also have professional testing equipment including three coordinates, Silent room, Dynamometer, Life testing machine and etc.
Q: How about your payment term?
A: We accept Alibaba trade assurance, T/T, PayPal, Western Union. The other payment ways also could be accepted. Please contact us before you pay by the other payment. Also 30-50% deposit is available, the balance money should be paid before shipping.
Q: How about your packing?
A: Safe packing with foam wrapped, strong inner box and out carton, large quantities will be packaged with pallet.
Q: Can I have customized service?
A: Yes, we provide both OEM and ODM service for our customers. We have professional engineers to help your design your driving solution.
A: Deliver time depends on the quantity you order. usually it takes 15-25 working days.
Q: Which shipping way is available?
A: We use DHL, FedEx, TNT, UPS and Sea. The other shipping ways are also available, please contact us if you
need ship by the other shipping way.


Ordering and Pricing
- Minimum order quantity: 1 piece
- Volume pricing:
- 1–999 piece: US $5.2 / piece
- 1000–4999 piece: US $4.5 / piece
- 5000+ 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 dc brushless motors?
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 Other warranty. Spare parts and technical support remain available after the warranty period.
Which certifications does this dc brushless motors carry?
It is supplied with CE/ROHS documentation, which covers the requirements of most import markets. Additional test reports can be issued on request.
Can the dc brushless motors be supplied for my local voltage?
The standard configuration is 12/24V. 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 Doncen Machinery & Electronics Co., Ltd., based in China. The company 6 years as a verified Alibaba.com supplier, operates its own manufacturing. Browse the full Ningbo Doncen Machinery & Electronics Co., Ltd. range on HVACR Nexus.
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