Dormakaba RR8148B-05-41 Pushbutton Mechanical Lock

Kaba Access Dormakaba RR8148B-05-41 Mechanical Pushbutton Lock combines convenience and security in a sleek design. This mortise combination lever lock features a key override, allowing for flexible access control without the need for keys or cards. Ideal for both commercial and residential applications, its passage mode permits free egress while ensuring secure exterior access via a customizable combination. Constructed with a durable cast front housing and unified trim plate, this lock is equipped with vandal-resistant metal pushbuttons. The lock is compatible with a 2¾" backset and includes a ¾" two-piece anti-friction latch, with an optional 1" deadbolt for added security. Designed to fit doors with a thickness of 1¾" to 2¼", it installs easily on both wood and metal surfaces. The RR8148B-05-41 meets Americans with Disabilities Act (ADA) standards, featuring fixed ADA-compliant levers for accessibility. It boasts a 3-hour UL/ULC fire rating for "A" labeled doors, ensuring safety without compromising style. Backed by a 3-year warranty, this lock is a reliable choice for professionals seeking quality and performance in door hardware.

Mechanical Pushbutton Lock

Mortise Combination Lever Lock, Key Override, Passage, Lockout, with Deadbolt, 6/7-Pin SFIC Prep, Less Core, Antique Brass

Simplex mechanical pushbutton locks offer a convenient way to control access between public and private areas. There are no keys or cards to manage, no computers to program, no batteries to replace, and combinations can be changed in seconds without removing the lock from the door.

Provides exterior access by combination, while allowing free egress.

• Construction: Cast front housing; unified trim plate; fixed ADA—compliant levers
• Numeric Keypad: Vandal resistant, solid metal pushbuttons
• Backset: 2¾" (70 mm)
• Latch: ¾" (19 mm) two-piece anti-friction latch; 1" (25 mm) optional deadbolt
• Minimum Stile Recommended: 5" (127 mm)
• Strike: 4⅞" (124 mm) L x 1¼" (32 mm) W x ¼" (6 mm) D Deadbolt/Latch mortise strike plate
• Key Override
  • Interchangeable Cores: Small format—Best and equivalents (6 or 7-pin length); core not included
  • Removable Cores: Large format—Medeco/ASSA/Yale/Abloy (5 or 6-pin length), Corbin Russwin, Schlage, and Sargent; core not included
• Door Preparation: Easily installs on wood or metal doors. Standard (86) mortise preparation
• Door Thickness: 1¾" (44 mm) to 2¼" (57 mm)
• Accessibility Standard: Americans with Disabilities Act (ADA); fixed ADA-compliant levers
• Durability: Weather resistant
• Fire Rating: 3-hour UL/ULC fire rating for "A" labeled doors
• Warranty: 3-year warranty

Resources

• Simplex 8100 Series Cut Sheet
• Simplex Product Catalog