Description
LIST PRICE: $208.00
ADR-4550R-01-121
The 4550 MS® Deadlock Lever easily unlocks an MS® Deadlock with approximately three pounds of downward force. The spring-loaded lever relocks with an upward motion.
Easy unlocking of most MS Deadlocks by approximately 3 lbs [1.36 kg] downward force on a 3″ [76.2 mm] lever. Lever is spring loaded to horizontal, relocks with upward motion. Indicator signals lock status. Can be installed in place of existing key cylinder or cylinder type thumbturn on inside of door. 4550 Deadlock Lever not compatible with 7/8″ [22.2 mm] backset locks.
Rotate lever downward 90° to unlock. When released, lever returns to
horizontal. Rotate lever upward 90° to relock. Key operation from outside is
not affected. Clutching action prevents damage to internal components.
More Details Below
Features
Housing
Aluminum casting is 1-3/8″ wide x 7-1/2″ long x 1″ deep [34.9mm x 190.5 mm x 25.4 mm].
Lever
3″ [76.2 mm] long aluminum with end-return design offers comfortable grip to lock or unlock
Handing
Configured for RH but can be easily reconfigured in the field
Indicator
Words “LOCKED” in red letters or “OPEN” in green letters appear on white background when bolt is thrown or retracted respectively. Indicator is driven by lock bolt itself..
Stop Clearance
Lever housing projects 11/16″ [17.5mm] forward of cylinder backset centerline. Depending on height of door stop and width of door/
jamb gap, it may be necessary to modify the stop to clear the housing. For fin type stops, this is easily accomplished. Hollow stops may preclude use of this lever.
Door Thickness
Any MS® pivoted bolt deadlock including “Schoolhouse” versions can be fitted with the 4550 including MS1850S, MS1950.
Derivative units such as 1870 or 1870HM, flushbolts that bolt into threshold are also operable by the 4550 lever.
Not compatible with MS+1890 Deadlock/Deadlatch or 2190 Interconnected Deadlock/Deadlatch or with 7/8″ [22.2 mm] backset locks.
Download Installation Instructions Here
