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Nichibo Life - 2026 Vol. 16
2026-03-02
|
Item |
Brushed Motor |
Brushless Motor |
|
Number of Output Wires |
Usually 2 power wires (positive & negative) |
Multiple motor lead wires (commonly 3 or more) |
|
Drive Method |
Runs when directly connected to a power supply |
Requires a controller to operate |
|
Internal Structure |
Contains carbon brushes and a commutator |
No carbon brushes, no commutator |
|
Service Life |
Brushes wear out, shorter lifespan |
No brush wear, longer lifespan |
|
Maintenance |
Requires periodic brush replacement |
Minimal maintenance required |
|
Vibration & Noise |
Higher vibration and more noticeable noise |
Smooth operation and lower noise |
By checking the number of output wires, the level of vibration, and whether the motor contains a brush structure, you can easily identify which one is brushed and which one is brushless.
Why are many modern products switching to brushless motors — such as power tools, drones, electric vehicles, and high-end home appliances?
Compared to brushed motors, brushless motors offer: ✔ Longer lifespan ✔ Higher efficiency ✔ Lower noise
