Simplex 8146

Push Button Grade 1 Mortise Lock

Reviews (2) | Customer Questions (2)


The Simplex 8146 is a stand-alone pushbutton lock designed to retrofit standard mortise setups. Highly weather resistant and simple to operate. Just enter your unique code. Vandal resistant and ideal for use in high-traffic commercial, institutional, and government buildings. Accepts removable inter-changeable key cores (sold separate).

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SKU: 8146
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  • ADA compliant lock
  • 100% Mechanical push button access control lock
  • Thousands of possible codes combinations
  • Auto-locking with passage mode and lockout feature – activated from inside
  • Covers existing standard 86 mortise preps – mortise locking mechanism is 1 1/4″ wide by 8″ tall
  • Lock mechanism is two-piece 3/4″ latch – can be ordered with a 1″ deadbolt in 8148 model
  • Fits left and right swinging doors
  • All hardware and instructions included with order
  • Low maintenance, no batteries or wires
  • Fits nearly all hinged doors
  • Key override feature using an IC core
  • Warranty:  3-year manufacturer

GoKeyless™ is a factory trained and authorized Kaba Simplex® dealer. Sales, service, support, valid warranties. It's why thousands of clients around the world choose GoKeyless™ for their security and access control needs each year. Simplex 8146 - Combination Entry & Key Override (Less core - key cores sold separately at checkout) Ultra-reliable mortise combination lock from the leader in top of the line security solutions, Kaba Ilco.  Kaba has been making high quality security products for over 100 years.  The Simplex 8100 Series is a stand-alone pushbutton lock designed to retrofit standard mortise setups.  The 8100 is highly weather resistant and simple to operate.  Entry is gained via a 1 to 5 digit code that is sequential.  Vandal resistant, the Simplex combination locks have found widespread acceptance in high-traffic commercial, institutional, and government buildings.
Door Thickness Minimum

1 3/8 in.

Door Thickness Maximum

2 1/4 in.


7 3/8 (H) x 3 1/8 (W) x 3 3/16 (D) in.

Door Stile Width

Minimum 5 in.

Code Length

1 to 5 Digits

Code Capacity



Weather Resistant




Kaba Simplex

Lock Features

Passage Mode

Handle Type

Lever Handle Door Locks

Door Opening


Locking Device


Access Type

Key, Keypad – Digits

Door Handing

Left Inswing, Left Outswing, Right Inswing, Right Outswing

Key Override

Best IC, Corbin IC, Medeco/Yale IC, Sargent IC, Schlage IC

Fire Rating

3-hour UL/ULC fire rating for A labeled doors


9.8 lbs


3 Year Manufacturer


Single Factor

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5 out of 5 stars

2 reviews

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What others are saying

  1. Erik from New York

    Very pleased with the Simplex L8146. This lock has notably improved the security of our building: Now that the lock has been installed’ never again will the door be left unlocked. Nor will we ever be locked out due to forgetting keys. Only minor complication was the installation’ which in our case required a new hole cut in a heavy steel door. Nevertheless’ this lock is solid and worth every penny.

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  2. Kate and David Merrill from Illinoi

    The buttons on the lock freeze in cold weather and we have been unable to open without the key. Pretty disappointed considering the expense of the item. I would appreciate any suggestions.

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Customer Questions & Answers

  1. Q Is this product waterproof? answer now
    Asked by olivia on June 13, 2019 10:29 AM

    It is a mechanical lock so it is able to be used in weather including rain. 

  2. A

    Unfortunately, this lock is not installed the same as the ONITY locks. However, as long as your previous install does not impair the use of a remodeler plate you could use them to cover the previous install holes and re-drill new ones.  

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