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The DON-JO CW27S is a classic wrap around plate engineered to reinforce door frames and provide a clean mounting surface for alarm lock installations. It is designed specifically for use with Alarm Lock 2700, 3000, and 4100 Trilogy series locks, accommodating a 2-3/4 inch backset on 1-3/4 inch doors. Constructed in a stainless steel finish, the CW27S delivers corrosion resistance and long-term durability in commercial access control applications. Door hardware installers and locksmiths rely on this type of plate to protect door faces from wear and to maintain a professional finished appearance around electronic lock hardware.
This wrap around plate is suited for commercial and institutional door applications where Alarm Lock Trilogy series access control locks are specified. It is used in retrofit and new-construction scenarios on standard 1-3/4 inch thick doors requiring a 2-3/4 inch backset. The stainless steel finish makes it appropriate for high-traffic entryways, healthcare facilities, educational buildings, and similar environments where finish durability and aesthetics are both required.
Designed for use with Alarm Lock 2700, 3000, and 4100 Trilogy series locks on 1-3/4 inch doors with a 2-3/4 inch backset.
Installation is typically performed by a licensed locksmith or commercial door hardware technician. Disengage power to any electronic lock components before beginning installation. Verify door thickness and backset measurement prior to mounting to confirm proper alignment with the lock body. Follow the lock manufacturer's installation instructions alongside applicable local codes for access control hardware.
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