1. It has the characteristics of slow heating, steady starting, high safety, waterproof, explosion-proof and so on.
2. Set the temperature protector in the motor, when the temperature is too high, the motor automatically shuts off the power supply and protects the motor.
3. Manual clutch, power outage can be manually off the clutch, easy to use.
4. Install the magnetic spring limit switch to ensure the maximum displacement of the door body, safe and reliable operation.