When an automated, fully-powered door operator isn’t necessary, or desirable, a cally can be used. Automatic door operators are very widespread and many do forget about their function and operation whenever they come across them during daily activities.

Unlike high-energy automatic operators, which make use of powerful motors to open and close doors quickly Low-energy operators make use of a slower and gentler motion that lowers the possibility of harm to the user. The systems found in automatic door operators comply with Americans with Disabilities Act regulations (ADA) in addition to other building codes that demand the doors of all public buildings to be wheelchair-friendly for those disabled.

Automated doors that are low-energy typically work using two methods that is either using an motion sensor that can detect the presence of someone which triggers the door opening sequence or by using an activation device such as a button or push device. After activation, the operator will open the door and then holds it open for a specified amount duration, then slowly closing it. 5r37aazrrb.