Dormakaba R8148S-05-41 Pushbutton Mechanical Lock

Kaba Access Dormakaba R8148S-05-41 Mechanical Pushbutton Lock offers a reliable solution for managing access in both commercial and residential settings. This mortise combination lever lock features key override capabilities, allowing added flexibility with a deadbolt for enhanced security. The lock is designed with a durable, cast front housing and unified trim plate, featuring fixed ADA-compliant levers for universal accessibility. The Simplex mechanical pushbutton system eliminates the need for keys or cards, simplifying access control while ensuring user convenience. With vandal-resistant solid metal pushbuttons, the numeric keypad allows for quick combination changes without the need to remove the lock from the door. This model supports a backset of 2¾" (70 mm) and is compatible with standard mortise door preparations. Notably, the Dormakaba R8148S-05-41 is weather resistant and boasts a 3-hour UL/ULC fire rating for "A" labeled doors, ensuring durability and safety. Installation is straightforward on wood or metal doors, accommodating thicknesses from 1¾" (44 mm) to 2¼" (57 mm). Backed by a 3-year warranty, this lock is a dependable choice for any professional or knowledgeable homeowner seeking robust access control solutions.

Mechanical Pushbutton Lock

Mortise Combination Lever Lock, Key Override, Passage, Lockout, with Deadbolt, Schlage FSIC 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