180 Mini Gear Motor 20mm DC 3V-12V 3.7V 5V 6V 9V Spur Gear Electric Motor

The 180 Micro Geared Motor is a highly compact and efficient drive solution, combining a 180 motor with a precision gear reduction box measuring 20mm in diameter. The gearbox provides a wide range of reduction ratio options, such as 29:1, 31:1, 78:1, 195:1, and 488:1, and can be customized to meet specific speed and torque requirements. Additionally, the gearbox is available in standard lengths of 15.9mm, 17.4mm, 18.9mm, and 20.4mm, ensuring seamless integration into various designs and applications.

Engineered for low-speed operation with high torque output, this motor is perfect for applications demanding precise motion control and reliable performance. Its compact size and customizable features make it highly versatile, suitable for use in smart home devices, medical equipment, industrial automation, robotics, and consumer electronics. Whether for small-scale projects or industrial-grade systems, the 180 Micro Geared Motor delivers an efficient and adaptable solution for high-torque, low-speed drive requirements.

Model : GA20-180 micro metal gearmotor

Gearbox: 20 mm Dia metal spur gear reducer

Motor Size:20mm*L (Motor Length can be custom )

Shaft : Φ4mm D-cut 0.5mm, M4, custom

Gear Box Size:20mm*H mm
Shaft size : Approx. 4 x L mm (Dia.*L)
Nominal Voltage : DC 3V 6V 12V

Operating Voltage:3V-9V 18V-26V
Revolving speed:
10RPM/15 RPM / 50 RPM / 75 RPM / 100 RPM / 125 RPM / 150 RPM / 200 RPM / 250 RPM / 500 RPM
3V : 25 RPM / 1000 RPM
6V : 30 RPM / 400 RPM / 1000 RPM / 2000 RPM
12V : 60 RPM / 300 RPM / 400 RPM / 800 RPM / 1000 RPM / 2000 RPM / 4000 RPM

Encoder : Magnetic encoder available;
Commutation: Carbon brush/Graphite brush/Metal brush;
Construction: micro Permanent Magnet iron cored dc electric motor;

3V–24V Mini 180 Motor Gearbox Parameter List & Dimensions

Model: GA20-180,12V 24V DC Gear Motor Paramter List

Note: all reduced no-load speeds have a tolerance of ±15%.

 


 


 
20MM 180 Metal Gear Motor DC 12V Low Speed High Torque Long
Shaft/D-Shaft 60 RPM Gear Motor 1:152 Reduction Ratio 

180 Mini Gear Motor 20mm DC 3V-12V 3.7V 5V 6V 9V Spur Gear Electric
Motor 
Specifications: 

• Rated Voltage Range: DC 3V-12V (compatible with 3.7V, 5V, 6V, 9V)

• No-load Current: Varies by voltage (e.g., approximately 50 mA at 3V, 70 mA at 6V, measured)

• No-load Speed: Varies by voltage (e.g., approximately 30 rpm at 3V, 80 rpm at 6V, measured)

• Reduction Ratio: Customizable (e.g., 1:10, 1:50, 1:100, etc., depending on requirements)

• Rated Torque: Adjustable based on reduction ratio (e.g., 500 gf.cm at 1:50 ratio)

• Stalling Torque: High torque output under load (e.g., up to 3000 gf.cm at 1:100 ratio)

• Direction: Clockwise or counterclockwise rotation, determined by power supply polarity.

 
Features: 

• Compact and lightweight design (20mm diameter)

• High efficiency and low noise operation

• Durable spur gear construction for smooth power transmission

• Customizable reduction ratios to suit specific applications

• Wide operating voltage range for versatility

 
Applications: 

• Small robotics and DIY projects

• Smart home devices (e.g., automatic curtains, smart locks)

• Medical equipment (e.g., infusion pumps, diagnostic devices)

• Consumer electronics (e.g., camera focus mechanisms, toys)

• Industrial automation (e.g., small conveyors, precision actuators)

 
Working Voltage Range: DC 3V-12V 

• At DC 3V: No-load current is approximately 50 mA, and no-load speed is around 30 rpm.

• At DC 6V: No-load current is approximately 70 mA, and no-load speed is around 80 rpm.

• At DC 12V: No-load current is approximately 100 mA, and no-load speed is around 150 rpm.

 
Internal Structure:

The motor features a precision spur gearbox with high-quality metal
or plastic gears, ensuring smooth and reliable operation. The main
motor is a compact 180-type motor with a durable carbon brush
structure, designed for long service life and consistent
performance. 
Performance Characteristics:

This motor is designed for low-speed, high-torque applications,
making it ideal for scenarios requiring precise motion control. Its
compact size and customizable reduction ratios allow it to adapt to
a wide range of applications, from lightweight consumer devices to
more demanding industrial uses. 
Customization Options: 

• Reduction ratios can be tailored to meet specific torque and speed requirements.

• Shaft types (e.g., D-shaft, round shaft) and lengths can be customized for easy integration.

The 180 Mini Gear Motor is a versatile and reliable solution for
applications requiring compact size, high torque, and precise
control. Its wide voltage range and customizable features make it
suitable for diverse industries and projects. 


 

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.