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Motor Type: String Machine Motor
Voltage Range: DC 12-18V
Minimum Starting Voltage: DC 6V
Rated Voltage: DC 18V
No-Load Current (18V): 210 mA
Locked-Rotor Current (18V): 5A
No-Load Speed (18V): 11,250 RPM
Voltage (12V): 12V
No-Load Current (12V): 180 mA
Locked-Rotor Current (12V): 3.8A
No-Load Speed (12V): 7,430 RPM
1 x Johnson 390 Carbon Brush Motor
The Johnson 390 Carbon Brush Motor is a high-speed and high-torque DC motor designed for a variety of applications, including string machines, robotics, power tools, and DIY projects. With a wide operating voltage range (12V-18V) and a double-headed output shaft, this motor offers versatility and durability. The carbon brush design ensures long-lasting performance and efficient power delivery. Whether you need a reliable motor for mechanical projects or motorized devices, the Johnson 390 is an excellent choice.
1. What are the main applications of this motor?
This motor is commonly used in string machines, robotics, small power tools, electric fans, and DIY motorized projects.
2. Can this motor be used for continuous operation?
Yes, but for extended usage, proper cooling and heat dissipation should be ensured to prevent overheating.
3. What is the difference between the 12V and 18V operation?
At 12V, the motor runs at 7,430 RPM with a lower current draw, while at 18V, it operates at a higher speed of 11,250 RPM with increased power output.
4. Does this motor support bidirectional rotation?
Yes, by reversing the polarity of the power supply, the motor can rotate in both directions.
5. What is the shaft diameter of this motor?
The shaft specifications may vary, so it's best to check the exact dimensions for compatibility with your project.