Adams Rite 4550L-02-130 MS1850 Lever Operator

Adams Rite 4550L-02-130 Lever Operator For MS1850 offers a reliable and efficient solution for unlocking MS Deadlocks. This lever trim features a flat design with a return mechanism, providing a comfortable grip and requiring only approximately three pounds of downward force for operation. The spring-loaded lever returns to a horizontal position after use and allows for easy relocking with an upward motion. An integrated LOCKED/OPEN indicator clearly signals the lock's status, enhancing security and usability. Designed for compatibility with various MS pivoted bolt deadlocks, including models like MS1850S, MS1950, and MS1837, the 4550 is versatile and easy to install, replacing existing key cylinders or thumbturns on the door interior. The lever’s clutching action protects internal components from damage, ensuring longevity. Constructed from durable satin aluminum, this lever operator measures 1-3/8" wide by 7-1/2" long, making it suitable for doors with a thickness of 2-1/8" to 2-1/4". It is available for both left-hand and right-hand doors and comes with a comprehensive installation package, including screws and drive pins. The 4550L-02-130 lever operator is backed by a 5-year limited warranty, affirming its quality and reliability for commercial applications.

Lever Operator For MS1850

Lever Trim for MS Deadlock, Flat Lever with Return, LOCKED/OPEN Indicator, LH or LHR, Satin Aluminum Paint

Easy unlocking of any MS Deadlock by approximately 3 lbs. downward force on a 3 In. 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 In. backset locks. Turn lever downward 90 Deg. to unlock. When released, lever returns to horizontal. Turn lever upward 90 Deg. to relock. Key operation from outside is not affected. Clutching action prevents damage to internal components. compatible with any MS pivoted bolt deadlock including "Schoolhouse" versions can be fitted with the 4550 including MS1850S, MS1950, MS1837, etc. Derivative units such as 1870, 1870HM, or 1877 flushbolts (bolt into threshold) are also operable by the 4550 lever. Not compatible with MS+1890 or 2190 Deadlock/Latch or with 7/8 In. backset locks. Individually boxed with installation instructions, mounting screws, and drive pins for both single point and threshold bolt-equipped locks.

Easily unlocks an MS®Deadlock with approximately three pounds of downward force.

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” backset locks.

• Housing: Aluminum casting is 1-3/8” wide x 7-1/2” long x 1” deep.
• Lever: 3” long aluminum with end-return design offers comfortable grip to lock or unlock.
• Indicator: Words “LOCKED” in red letters or “OPEN” in black letters appear on white background when lock is thrown or retracted. Indicator is driven by lock bolt itself.
• Stop Clearance: Lever housing projects 11/16” 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 lever.
• Compatible Deadlocks: Any MS® pivoted bolt deadlock including “Schoolhouse” versions can be fitted with the 4550 including MS1850S, MS1950, MS1837, etc. Derivative units such as 1870, 1870HM, or 1877 flushbolts (bolt into threshold) are also operable by the 4550 lever. Not compatible with MS+1890 Deadlock/Latch or with 7/8” backset locks.
• Options: Available in three finishes to match anodized aluminum finishes. Can be ordered for left or right hand door, but is easily reconfigured in the field to accommodate either door swing.
• Standard Package: Individually boxed with installation instructions, mounting screws, and drive pins for both single point and threshold bolt-equipped locks. Shipping weight: 1 lb.

Resources

• 4550 MS Deadlock Lever Installation Instructions