Liftmaster 02109U NEMA 1 Key Switch, U-Change-It Cylinder Two Position Key Control Station
Indoor Flush Mt. (NEMA 1)
Steel back box with architectural aluminum faceplate with U-CHANGE-IT BRAND cylinder allowing user to change keying of lock 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).
WARNING: When used on most industrial operators, this control will not stop the door. Use another control that has a STOP button in conjunction with this control.