Die cast metal enclosure with BEST cylinder (construction core included)
OPEN/CLOSE spring return to center (OFF) key removable in center position only. Should only be used on operators wired for constant pressure to open and close (all LiftMaster industrial operators with type D control wiring).
It has three isolated contacts to open close or stop the door. If your operator can be controlled by three button station then our R-831-P receiver and commercial remote controls will work with your operator.
Dual technology sensor for sliding doors: the microwave motion field activates as people/objects approach as the infrared curtains ensure the safety of pedestrians passing through the door opening.
Provides uniform sensitivity across the curtain.
Ideal for high-traffice environments such as hospitals hotels airports or retail facilities.
Mounting height: 6'6 to 11'6
•Operating temperature: -13 to 131F