Customized 12V 24.4mm RF-370CB-11670 Motor for Air Conditioning Damper Actuator

RF-370CB-11670 12V DC Motor Techincal Parameters:

• Model: RF-370CB-11670 Motor

• Motor type: DC Metal Brush Motor

• Output Shaft Diameter: 2mm

• Output Shaft Length:14.7±0.5mm (L) Or Custom

• Motor Body Diameter: 24.4±0.1mm

• Motor Body Length: 30.8±0.1mm

• Voltage Range: DC 12V-24V

• Rated Voltage:12V

• Front Steps Diameter:6.4±0.05mm

• Front Step Height: 1.5±0.1 mm

• Diagonal Installation Pitch: 17±0.05mm

• Mounting Hole Size: 3mm

• Mounting Holes: 2 Holes

• No-load Speed :3000±150r/min
• No load Current:20mA
• Starting Torque/stall torque:110g.cm

• Test data:

  Voltage:12V No-load current≤15mA Speed:3000RPM

  Voltage:24V No-load current≤15mA Speed:5000RPM

KINDLY NOTE:ALL MOTOR SPEDIFICATIONS CAN BE CUSTOMIZED BY YOUR NEED!

Air Conditioning Damper Actuator Motor RF-370CB-11670 12V DC Motor Dimension / Size :

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Basic Specification for RF-370 Motor

• Output Shaft Diameter: 2mm ±0.002mm

• Output Shaft Length:14.7±0.5mm (L) Or Can Custom

• Motor Body Diameter: 24.4±0.1mm

• Motor Body Length(Without shaft length ): 30.8±0.1mm

• Front Steps Diameter:6.4±0.05mm

• Front Step Height: 1.5±0.1 mm

• Diagonal Installation Pitch: 17±0.05mm

• Mounting Hole Size: 3mm*0.5

• Mounting Holes: 2 Holes

• Terminal length and angle can be customized: angle with 90° or 85°or customized

Connecters(Motor Teminal ) types Customized Display

According to customer's various requirements, Lihua Motor/HCS Motors customized and designed the different motor terminal types.

More motor terminals or types waiting for drawing and needs.

RF-370-11670 With Solid Terminal	RF-370-11670 can connected cables Terminal	RF-370-11670 With Solid Terminal

Notes:
1. Usable machine screw length 2. 0max. from motor mounting surfacce.
2.Allowable torque for screwing of tapped hole:5. 0kgf-cm max.
3.No remarkable scraches or dents on the surface.
4. Tolerances not otherwise specified decimal:士0. 3mm.

Cases Show For RF-370CB-11670 Motors

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Application Scenario
Lihua’s RF-370CB-11670 micro motor, leveraging its high-precision control, low power consumption, and compact design, is specifically developed for automotive HVAC air condition damper actuators. Compatible with mainstream electric air door architectures, this motor enables precise adjustment of air door blade angles to achieve airflow mode switching (face/foot/defrost), zoned temperature control, and fresh/recirculated air functions, enhancing vehicle intelligence and cabin comfort.

Technical Advantages

• Harsh Environment Adaptation: Validated through -40℃ to 125℃ thermal cycling tests and IP67 protection certification, ensuring stable operation in extreme conditions;

• Energy Efficiency Optimization: No-load current ≤80mA, load efficiency improved by 18%, meeting automotive low-power requirements;

• Integrated Solution: Compatible with PWM/LIN communication protocols, enabling seamless integration with actuator control modules and reducing development costs.

Supply Chain Collaboration Achievements
Lihua has established strategic partnerships with multiple global top-tier automotive HVAC system suppliers. As a core driving unit, the RF-370CB-11670 motor has been mass-adopted in HVAC actuator modules for mainstream vehicle models in China. In 2024, Lihua delivered over 3.7 million automotive-grade motors, with this model accounting for more than 40% of total shipments. Its applications indirectly support popular vehicle series from brands such as Geely, Changan, and GAC.

Market Validation

• Terminal vehicle testing shows a 27% reduction in HVAC air door system failure rates compared to previous generations, with energy efficiency optimized by 12%;

• Lihua’s production line automation rate has reached 92%, achieving a 99.3% annual order fulfillment rate to meet rapid delivery demands;

• Modules equipped with this motor have accumulated over 5 million kilometers of road testing with zero critical motor-related failures.

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-quality DC motors integrates professional development, production and sales, offering a wide range of DC motors, including brushed and brushless motors, geared motors,stepper motor. We has been at the forefront of motor manufacturing and customizing for 20 years, consistently delivering high-performing and reliable products to clients worldwide.

These motors are designed for various applications, including industrial equipment, medical devices, robotics, automotive systems, motor vehicle and more. We also provides Customized DC Motor Solutions to meet specific customer needs.