DORMAKABA Simplex 1000 Series 1031 Knob Operated Digital Lock With Passage Set

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The dormakaba Simplex 1000 Series 1031 is a heavy-duty, fully mechanical digital lock that provides robust, keyless security without the need for batteries or wiring. This knob-operated digital lock features a single, easily programmable access code, allowing you to change the combination directly via the 5-button keypad without removing the unit from the door.

Designed for high-traffic commercial and residential environments, this model includes a thumbturn-activated free passage set mode. This feature is ideal for situations requiring frequent, unrestricted access, such as loading or unloading. Built with a weather-resistant housing and vandal-resistant solid metal buttons, it offers outstanding durability in both internal and external applications.

The lock is factory handed left but is easily field-reversible to suit both left and right-handed doors. It is available in multiple finishes, including Polished Brass and Satin Chrome, with corresponding manufacturer references. Please choose your preferred finish and options from the selection below.

Technical Specifications

Brand: dormakaba
Backset: 70mm
Case Depth Required: 110mm
Door Thickness: 35mm to 57mm
Code Length: 1 to 5 digits
Number of Codes: 1
Combinations: 1,000+
Handing: Reversible (factory handed left, field-reversible)
Passage Set: Yes (via key or thumbturn)
Key Override: No
Holdback: No
Latch: 70mm Standard
Operation Outside: Knobset on entry of code
Operation Inside: Knobset free exit
Weather Resistant: Yes
Finishes: Polished Brass or Satin Chrome (please select from the options below)
Manufacturer References: 1031-03 or 1031-26D (please select from the options below)
Width: 79mm
Weight: 3.6kg
Guarantee: 3 Year

Key Features

Fully Mechanical Operation: Eliminates the need for batteries, wiring, or electrical installation.
Passage Set Mode: Allows free access without entering a code, ideal for high-traffic periods.
Easy On-Door Programming: Code can be quickly changed via the 5-button keypad without removing the lock from the door.
High Durability: Features a heavy-duty, weather-resistant housing and vandal-resistant solid metal pushbuttons.
Reversible Handing: Factory handed left but easily field-reversible to suit left or right-handed doors.
Secure Access Control: Supports a single user code of 1 to 5 digits with over 1,000 possible combinations.