Guang Dong Lihua Mechatronics Co.,Ltd
| Payment Terms | L/C,D/A,D/P,T/T,Western Union,MoneyGram |
| Supply Ability | 10000PCS/Day |
| Delivery Time | 35-45Day |
| Packaging Details | Carton |
| Motor Type | RK-250 Carbon Brush |
| Direction Of Rotation | CW/CCW |
| Rated Volt | 3V DC-28VDC can choose |
| No-load Speed | 1500-12000 r/min |
| Applications | Electric Curtain/ Tin Opener/Dispenser/Mini Pumps |
| Motor Diameter | 22mm |
| Motor Length | 30.5mm (Without Shaft length) |
| Screw Hole Size | 2mm*0.4 |
| Name | Mini DC Motor |
| Brand Name | Lihua Motor/HCS Motors |
| Model Number | RK-250 Motor |
| Certification | Reach/RoHs/IATF16949/ISO9001 |
| Place of Origin | Dongguan,China |
View Detail Information
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Product Specification
| Payment Terms | L/C,D/A,D/P,T/T,Western Union,MoneyGram | Supply Ability | 10000PCS/Day |
| Delivery Time | 35-45Day | Packaging Details | Carton |
| Motor Type | RK-250 Carbon Brush | Direction Of Rotation | CW/CCW |
| Rated Volt | 3V DC-28VDC can choose | No-load Speed | 1500-12000 r/min |
| Applications | Electric Curtain/ Tin Opener/Dispenser/Mini Pumps | Motor Diameter | 22mm |
| Motor Length | 30.5mm (Without Shaft length) | Screw Hole Size | 2mm*0.4 |
| Name | Mini DC Motor | Brand Name | Lihua Motor/HCS Motors |
| Model Number | RK-250 Motor | Certification | Reach/RoHs/IATF16949/ISO9001 |
| Place of Origin | Dongguan,China | ||
| High Light | 22mm High Speed High Torque DC Motor ，250 DC Motor High Speed ，Brush Carbon Motor 3V | ||
RK-250 22mm High Speed High Torque DC Motor Brush Carbon Motor For Actuator 3-12V
RK-250 Carbon Brush Motor DC Technical Parameters
RK-250 High Speed Brush Carbon Motor Dimension
RK-250 Micro Motor Dimension Information
1.Motor Shell Size:22mm Diameter*30.5 Length (Length without output shaft length)
2.Front Step Diameter:6mm
3.Front Step Height:1.5mm
4.Output Shaft Length:20mm/6mm/9mm/10mm or Custom
5.Terminal Distance:15.2mm
6.Mounting Screw Holes Distance:14mm
7.Screw Holes Size:2*0.4mm
8.Terminal Height:2.5mm
RK-250 DC Motor 22mm Mini Motor TN Curve
Applications of RK-250 Motor in Smart Automation Systems
The RK-250 motor serves as a versatile drive solution across multiple automation sectors, delivering reliable performance in critical applications:
Motorized Curtain Systems
Voltage compatibility: 6.0V-28.0V DC
Silent operation (<40dB) with smooth speed regulation
Integrated position feedback for precise curtain control
IP54-rated options available for humidity-prone environments
Emergency Smoke Ventilation
Instant activation (response time <0.5s)
High starting torque (up to 800mN·m) for rapid window opening
Fail-safe design ensures operation during power outages
Certified for EN 12101-2 smoke control standards
Smart Building Integration
IoT-ready with RS485/Modbus communication options
Compatible with KNX, DALI, and BACnet protocols
Programmable limit switches for automated positioning
Energy-efficient operation (standby power <0.5W)
Technical Advantages:
Dual-bearing structure enhances lifespan (>50,000 cycles)
Optional encoder feedback (12-bit resolution)
Wide temperature range (-20°C to +60°C)
Compact design (Ø25mm × L50mm) for space-constrained installations
Industry Certifications:
CE, RoHS compliant
UL1004-1 recognized (pending)
REACH chemical compliance
The RK-250's combination of robust construction and smart features makes it ideal for modern automated environments requiring both reliability and connectivity. Custom configurations available for specific voltage, torque, or communication requirements.
As a trusted supplier of small dc gear motor solutions, Lihua Motor manufactures high-quality mini dc motor with gearbox assemblies for industrial and consumer applications. Our small worm gear motor series delivers reliable torque output with customizable speed and voltage options to meet OEM requirements.
Company Details
Business Type:
Manufacturer,Exporter,Seller,Trading Company
Year Established:
2003
Total Annual:
20598600-21971840
Employee Number:
400~500
Ecer Certification：
Verified Supplier
Guang Dong Lihua Mechatronics Co., Ltd.(Lihua Motor) was founded in May 2003, formerly Shen Zhen Hua Chuang Sheng Motor Co., Ltd. (HCS Motors) In order to expand its business, it relocated from Shenzhen to Humen Town (Dongguan City) in October 2017. Lihua is a manufacturer of high-quali... Guang Dong Lihua Mechatronics Co., Ltd.(Lihua Motor) was founded in May 2003, formerly Shen Zhen Hua Chuang Sheng Motor Co., Ltd. (HCS Motors) In order to expand its business, it relocated from Shenzhen to Humen Town (Dongguan City) in October 2017. Lihua is a manufacturer of high-quali...
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