Dormakaba Simplex 8148 Mechanical Pushbutton Mortise Lever Lock with Deadbolt, Combination Entry/Passage with Key Override

Usually Ships: 1-2 Business Days
  • Combination entry/passage with deadbolt – key override
  • Interchangeable core prep (core sold separately)
  • Heavy-duty, weather-resistant

Available Options:


Simplex 8148_ Mechanical Combination Pushbutton Mortise Lever Lock, Deadbolt, Key Override, Entry/Passage, Lockout, Interchangeable Core Prep

Simplex Mechanical Pushbutton Locks eliminate problems and costs associated with issuing, controlling, and collecting keys and cards.

The Simplex 8100 Mechanical pushbutton lock, with mortise locking device options and lever handle, provides exterior access by combination, while allowing free egress.

8148: Combination Entry. Key Override (core not included). Passage. Lockout. Deadbolt.

  • A cost-effective access control solution
  • Mortise with 1″ deadbolt, ¾” two-piece anti-friction latch
  • Number of Codes: Single access code—one easy-to-manage code for all users
  • Programming: Lock is easily programmed via keypad without removing lock from the door
  • Cast front housing; unified trim plate; fixed ADA—compliant levers
  • Vandal-resistant, solid metal pushbuttons
  • Factory-handed; not field reversible
  • 5″ Minimum stile recommended
  • 3-hour UL/ULC fire rating for “A” labeled doors
  • Weather resistant

Key Override Options

  • B – Prepped for 6 or 7 pin SFIC (less core)
  • C – Prepped for Corbin Russwin 6-Pin LFIC (less core)
  • M – Prepped for Medeco/Yale/ASSA/Abloy LFIC (less core)
  • R – Prepped for Sargent LFIC (less core)
  • S – Prepped for Schlage FSIC, less core (Schlage large format-removable core sold separately)

Models: L8148B-26D-41, LR8148B-26D-41, R8148B-26D-41, RR8148B-26D-41, L8148C-26D-41, LR8148C-26D-41, R8148C-26D-41, RR8148C-26D-41, L8148M-26D-41, LR8148M-26D-41, R8148M-26D-41, RR8148M-26D-41, L8148R-26D-41, LR8148R-26D-41, R8148R-26D-41, RR8148R-26D-41, L8148S-26D-41, LR8148S-26D-41, R8148S-26D-41, RR8148S-26D-41



US26D (626) Satin Chrome

Lock Function

Combination Entry/Passage Function with Key Override

Key Override

B: 6/7-Pin SFIC Prep, C: Corbin Russwin LFIC Prep, M: Medeco/Yale/ASSA/Abloy LFIC Prep, R: Sargent LFIC Prep, S: Schlage FSIC Prep


Heavy Duty






3/4" two-piece anti-friction latch


1" deadbolt


4⅞" L x 1¼" W x ¼" D Deadbolt/Latch mortise strike plate

Fire Rating

UL and cUL Listed – up to 3 Hours

ADA Compliance

Meets ADA requirements – A117.1 Accessibility Code

Door Thickness



3 Year Limited

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Dormakaba Simplex 8148 Mechanical Pushbutton Mortise Lever Lock with Deadbolt, Combination Entry/Passage with Key Override