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CRL
CRL Adams Rite 4550 MS Series Commercial Door Deadlock Lever
CRL Adams Rite 4550 MS Series Commercial Door Deadlock Lever
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Shipping Weight: 5.0 Pounds
Shipping Limitations: None
Minimum Order Quantity: 1
Unit of Measure: each
Compliance and Restrictions
Warning: Reproductive Harm
www.p65warnings.ca.gov

Description
Overview
- Easy unlocking of most MS® Deadlocks with approximately 3 lbs (1.36 kg) downward force on a 3" (76.2 mm) lever
- Spring-loaded lever automatically relocks with an upward motion
- Includes mounting hardware and drive pins for quick installation
CRL Adams Rite 4550 MS® Series Deadlock Lever (SKU: DH55011L) — non-handed and reversible lever designed to operate MS® Deadlocks with minimal force. Ideal for commercial and institutional doors requiring reliable, low-effort deadlock operation.
Key differentiators:
- Reversible, non-handed design fits left- or right-hand doors
- 3" end-return aluminum lever for comfortable grip and easy operation
- Clear visual indicator: LOCKED (red) and OPEN (green) that appears when the bolt is thrown or retracted
- Housing: Aluminum casting, 1-3/8" W x 7-1/2" L x 1" D (34.9 mm x 190.5 mm x 25.4 mm)
- Lever: 3" (76.2 mm) long aluminum with end-return design for comfortable grip
- Indicator: LOCKED (red) / OPEN (green)
- Stop Clearance: Lever housing projects 11/16" (17.5 mm) forward of cylinder backset centerline
Depending on the height of the door stop and the width of the door/jamb gap, it may be necessary to modify the stop to clear the housing. For fin-type stops, modification is typically straightforward.
NOTE: Not compatible with 7/8" backset locks.Order the CRL Adams Rite 4550 MS® Series Deadlock Lever (SKU: DH55011L) today for a reliable, low-force deadlock solution.
