Over 5 million soldOver 5 Million Locks Sold
GoKeyless TrustedTrusted Since 2003
CartCart 0

Your Cart is Empty

  • Padlocks

  • Industry
  • dormakaba Simplex L1021B

    Cypher Combination Lock

    SKU: LL1021B26D41-FC

    Kaba Simplex

    Security made simple. The dormakaba Simplex L1021B is a heavy-duty push button lock built to withstand high traffic and tough environments. With this low maintenance option, you don’t have to worry about electronics, wires, or batteries. Best of all, this cypher lock features auto-locking to ensure your door or gate always secures behind you. Includes Best compatible interchangeable key core.

    Door Handing

    Quantity left : 0



    3 Years of SHIELD Coverage

    Product Replacement | Extended Return Policy | Price Protection

    Terms and Conditions


    • ADA compliant lock
    • 100% Mechanical HEAVY DUTY push button lock
    • Thousands of possible codes combinations
    • Auto-locking – can be ordered with passage mode feature in Simplex L1031 and L1041 models
    • HEAVY DUTY UL listed latch-bolt with deadlocking plunger
    • Covers existing standard ASA 161 door hole
    • Fits left and right swinging doors
    • All hardware and instructions included with order
    • Low maintenance, no batteries or wires
    • Backset:  2 3/4″ included (2 3/8″ available at checkout)  How do I measure?
    • Fits nearly all hinged doors
    • Key Override; furnished with a combinated (keyed up) Falcon brand 6-pin IC key core.  Includes one IC core change key, and two operating keys.
    • Have your own core you want to use?  Click here to order this same lock less-core.

    This tamper-proof cypher lock seamlessly integrates into:

    • Institutional buildings
    • Government buildings
    • Commercial spaces
    • Exterior and interior spaces

    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 L1021B – Combination Entry & Key Override (Best compatible IC core included). As you’re looking to secure your busy space, there’s a lot to love about this tough-as-nails cypher door lock from the leader in top-of-the-line security solutions, Kaba Ilco. Protect important assets and spaces from unwanted visitors and potential trouble. A Simplex lock combination is made to be complex, fortifying against any intruder.

    For over 100 years, people have turned to dormakaba for their high quality security products. The Simplex L1000 Series is a 3-hour UL/ULC fire rated stand-alone security lock that is highly weather resistant and certified for durability, as it complies with D.O.D (Dept. of Defense) 5220.22M.

    Whether you need to lock up a conference room or protect valuable assets, this cypher door lock is up for the job. Entry is gained via a 1-5 digit sequential code. Vandal resistant, there’s a reason why Simplex locks have found widespread acceptance in high-traffic commercial, institutional, and government buildings around the world. See the difference for yourself.


    Manufacturer dormakaba USA Inc.
    Lock Features Old Auto Relocking
    Solution Mechanical
    Warranty 3 Year Manufacturer
    Handle Type Lever Handle Door Locks
    Access Type Key
    Keypad - Digits
    Locking Device Cylindrical Latch
    Brand Kaba Simplex

    Door requirements

    Door Prep Standard 2 1/8 in. Cross-Bore, Edge Bore: 1 in., Through-Bolt Hole(s)


    Code Length 1 to 5 Digits
    Code Capacity 1
    Fire Rating 3-hour UL/ULC fire rating for A labeled doors


    Exterior Dimensions 7 3/8 (H) x 3 1/8 (W) x 3 3/16 (D) in.
    Inside Dimensions ["9 (H) x 3 1/4 (W) in."]
    Door Thickness Minimum 1 3/8 in.
    Door Thickness Maximum 2 1/4 in.
    Backset 2 3/4 in.
    Door Stile Width Minimum 5 in.
    Exterior Dimensions 7 3/8 (H) x 3 1/8 (W) x 3 3/16 (D) in.
    Weight 8.25 lbs