Dormakaba RR8148M-05-41 Pushbutton Mechanical Lock

Kaba Access Dormakaba RR8148M-05-41 Mechanical Pushbutton Lock combines security and convenience in a sleek, antique brass finish. This mortise combination lever lock features a key override and offers passage and lockout functionality, making it ideal for controlling access between public and private spaces. With no keys or cards to manage, this lock eliminates the hassle of programming or battery replacements. The ability to change combinations in seconds without removing the lock from the door adds to its user-friendly design. Constructed with a cast front housing and unified trim plate, the RR8148M-05-41 is built for durability, featuring vandal-resistant, solid metal pushbuttons on a numeric keypad. The lock accommodates a backset of 2¾" (70 mm) and includes a two-piece anti-friction latch with an optional 1" (25 mm) deadbolt. It is designed for doors with a thickness ranging from 1¾" (44 mm) to 2¼" (57 mm) and meets Americans with Disabilities Act (ADA) standards with its fixed levers. Weather-resistant and boasting a 3-hour UL/ULC fire rating for "A" labeled doors, this lock is perfect for commercial applications. Enjoy peace of mind with the 3-year warranty, ensuring a reliable security solution for your property.

Mechanical Pushbutton Lock

Mortise Combination Lever Lock, Key Override, Passage, Lockout, with Deadbolt, Medeco/Yale/ASSA/Abloy LFIC 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