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The SCHLAGE L9080B 05A 643E is a Grade 1 storeroom mortise lock from the L-Series commercial lockset line. It features the 05 lever trim on an A Rose configuration and is finished in Aged Bronze (643E). The storeroom function means the outside lever is always locked and can only be operated by key from the exterior, while the inside lever allows free egress at all times. This lockset is specified and installed by licensed locksmiths and commercial door hardware contractors on interior and exterior commercial openings requiring high-security access control.
The L9080B 05A 643E is suited for commercial and institutional applications such as storerooms, server rooms, pharmacies, and other restricted-access spaces. The L-Series mortise lock is a heavy-duty product built for high-traffic commercial doors. The Aged Bronze finish integrates with period or transitional architectural hardware programs. Licensed hardware professionals and commercial locksmiths are the typical installing trades for this lockset.
Designed as an OEM-style replacement or new-installation commercial mortise lock for doors prepared to accept standard L-Series mortise lock chassis dimensions.
Installation requires a door prepped with a mortise pocket to the manufacturer pocket dimensions. A licensed locksmith or qualified commercial door hardware installer should perform installation and function testing. Follow all applicable building and fire codes, including NFPA 80 requirements when the opening is rated. Verify door thickness, handing, and backset before ordering to confirm fitment.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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