Description
4-Dial Auto Return-to-Zero Combination Lock for Cabinets & Lockers
Auto Return-to-Zero Security
The built-in scramble function automatically resets the dials to zero after every use, preventing unauthorized users from identifying the last combination entered and improving overall security.
4-Dial Mechanical Combination
The resettable four-digit combination provides thousands of possible code combinations, delivering secure keyless access without traditional keys.
Heavy-Duty Zinc Alloy Construction
Manufactured from high-quality zinc alloy for excellent durability, corrosion resistance, and long service life in residential, commercial, and industrial environments.
Emergency Key Override
An optional emergency key override allows authorized access if the combination is forgotten, while optional master key functionality is available for professional applications.
Flexible Installation
Suitable for steel panels (1–4 mm) and wooden panels (17–22 mm), with left-hand, right-hand, vertical, and horizontal mounting options to accommodate different cabinet designs.
Key Benefits in Detail
- Auto return-to-zero scramble function.
- Resettable 4-digit mechanical combination.
- Durable zinc alloy housing.
- Battery-free operation.
- Optional emergency key override and master key system.
Where and How It’s Used
Ideal for office cabinets, lockers, filing cabinets, mailboxes, retail fixtures, medical storage units, school lockers, commercial furniture, and secure storage cabinets requiring reliable keyless access.
Usage Instructions
Install the lock on a compatible steel or wooden cabinet, set the preferred four-digit combination, and use the dials for secure keyless access. After locking or unlocking, the dials automatically return to zero for added security. Use the emergency override key if configured and required.
Technical Specifications
- Brand: Armstrong
- Model: DL-202
- Product Type: Auto Return-to-Zero 4-Digit Combination Lock
- Material: Zinc Alloy
- Lock Type: Mechanical Combination Lock
- Access Method: 4-Digit Resettable Keyless Combination
- Special Feature: Auto Return-to-Zero (Auto Scramble) Function
- Panel Thickness: Steel 1–4 mm / Wood 17–22 mm
- Installation: Left/Right & Horizontal/Vertical (Model Dependent)
- Application: Lockers, Filing Cabinets, Office Furniture & Storage Cabinets







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