Chain / power breaking brake equipment.
1.Break the chain when power is off
2.applicable to all kind of rolling doors& windons

Chain / power breaking brake equipment.

Main functions:

1.an additional part of the electricity machine drives device
2.be applicable to every kind of rolling doors and windows primarily.

3.increase door screen safety

Detail Description
When the chain breaks, the equipment stops the rolling door and breaks the power supply at the same time. Prevents the door screen to slide suddenly and threaten human body. Let you feel safer and more dependable.