Advantage: Pull force is better than sauare shape, it suitable for large size door.
Disadvantage: The hanger can not pass through under the motor
Advantage: The hanger can pass through under the motor. So the door can open more about 20CM than square shape motor. It suitable for the small width size door
Disadvantage: The pull force for the door is less than round brushless motor.
As we know, brushless motor is one of most important part for automatic sliding door operator. The brushless motor has two types. Round motor and Square shape motor. So what's the different between the two brushless motors ? And what is their advantage and disadvantage?