Automatic door
A door that opens through powered operation in response to activation or sensing.
Low-energy operator
A power operator intended to move a swinging door at lower speed and energy under applicable standards.
Presence sensor
A sensor used to detect a person or object in a defined area.
Activation device
A push plate, touchless sensor or other control used to request door opening.
Breakout
The ability of certain automatic door panels to swing under emergency or manual force.
Clear opening
The unobstructed width available for passage when a door is open.
Threshold
The transition at the bottom of a doorway.
Header
The enclosure above an opening that may contain an operator and controls.
Door closer
Hardware that controls the closing of a swinging door.
Accessible route
A continuous route meeting applicable accessibility requirements between site elements and an accessible entrance.