
Keylex 4000 Series
for Access Control of Swing Doors and Gates
Suitable for commercial, public, and residential facilities with keyless entry and management. Retrofitted to be compatible with US standard door prep. Ideal for both indoor and outdoor use, with premium product quality.
Specifications
- No electrical work required
- Easy to reset passcode
- Highly visible and durable buttons
- High security and weather proof
- Changeover to Free-Passage mode
- Material: Aluminum
- Passcode: 32,768 combinations
- Door thickness: 35mm - 55mm ( 1 3/8'' - 2 3/16'' )
- For door weight: Up to 80 kg ( 176.37 lb )
- Handle can be changed for both right-handed and left-handed use
- Key options: Both key different and key alike available
- Ilco Key-In-Lever cylinder integrated
- Compatible with cylindrical deadlatch from MARKS USA (both ANSI Grade 1 and 2 available )
Easy Passcode Reset
Change and set passcode easily without removing lock from door
Key Accessibility
The door can be unlocked with a key put at the bottom of lock without using a passcode
3 Operation Modes
- Free – No passcode needed
- Auto Lock – Passcode or key needed
- Dead Lock – Key needed ( passcode disabled ) (applicable to K423ID only)
Color Variations
3 color options available
- Silver Painting (AS)
- Amber Painting (AB)
- Black Painting (BL)
Models
K423ID
Equipped with Dead Lock function (blocks all code entry, key override only)
K423IM
Not equipped with Dead Lock function.
Downloads
Keylex4000 User's Manual
K423ID K423IM
Keylex4000 Installation Manual
K423ID K423IM
Keylex4000 Drilling Template
K423ID K423IM
Keylex4000 Cylindar Installation Manual
K423ID K423IM

About Keylex USA
Founded in 2024, is the first authorized North American distributor of Keylex, the trusted brand by Japan’s Nagasawa Manufacturing Co., established in 1916. We provide sales, distribution, and support for these premium products.
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