About the Motors for Automatic Sliding Door

There are 2 types about the motors for automatic sliding door, brushed motor and brushless motor, here's a comparison of the advantages and disadvantages of these 2 types of motors .

▪ Brushed Motors

Advantages are as below .

Simple and low-cost – Fewer components, easier to manufacture.

Easy to control – Speed can be adjusted simply by varying voltage.

No complex electronics needed – Works with basic DC power supply.

Good torque at low speeds – Suitable for applications requiring high starting torque.

Disadvantages are as below .

Lower efficiency (70-85%) – Energy loss due to friction and brush resistance.

Limited lifespan – Brushes and commutator wear out over time.

Higher maintenance – Brushes need periodic replacement.

Electrical noise – Sparking can cause electromagnetic interference (EMI).

Lower speed capability – Friction limits maximum RPM.

▪ Brushless Motors

Advantages are as below .

High efficiency (85-95%) – No energy loss from brushes.

Longer lifespan – No brushes to wear out, reducing maintenance.

Higher speed and power density – Can run at much higher RPMs.

Better thermal performance – Heat is dissipated more effectively.

Low electrical noise – No sparking, making them suitable for sensitive electronics.

Precise control – Ideal for applications requiring variable speed and position control.

Disadvantages are as below .

Higher cost – Requires electronic controllers.

More complex design – Needs Hall-effect sensors or sensorless control.

Dependence on electronics – Motor won't work without a proper driver circuit.

Summary

Brushed motors are cheaper and simpler but less efficient and durable.

Brushless motors are more efficient, longer-lasting, and powerful but require complex control systems.

About TSTC automatic sliding door, swing door , hermetic door, we use both of motors with different type, please check our product pages for details .