The brake is in direct current.
A special technical solution was developed for this type of application.
The noise generated in the opening and closing phase is minimized.

Industrial Self-Braking Motors for H theatres

The layout includes a connecting flange between the two brakes. Only one of them will have an adjustable torque, the other will have a torque equal to the maximum value provided for the corresponding size.
The system is equipped with two dust covers and two release levers, separated from each other.