Mechanical Combination Lock Atlo ATLO-KRM-103 — keypadless coded door lock

Mechanical combination lock Atlo ATLO-KRM-103 — keypadless coded door lock is a non-electronic coded door lock designed for mechanical access control. The lock operates without batteries or external power and uses a preset mechanical combination to allow keyless entry. Its compact construction is suitable for installation on doors, gates or cabinets where simple controlled access is required and where electrical solutions are impractical.

Advantages

The Atlo ATLO-KRM-103 provides reliable, maintenance-free operation because it does not require power, wiring or batteries. The mechanical design reduces vulnerability to electronic interference and hacking while offering a predictable, repeatable unlocking method. Its compact size and durable materials make it suitable for indoor and sheltered outdoor installations where robust basic security and long service life are needed.

Suitable for

• Internal and external doors with sheltered exposure
• Storage cabinets and lockers
• Gates and small entry points without electrical supply
• Workshops, utility rooms and maintenance closets
• Situations requiring keyless access without electronics

Key specifications

• Mechanical, non-electronic coded lock mechanism
• Keyless operation via preset mechanical combination
• Compact, corrosion-resistant construction suitable for sheltered outdoor use
• Designed for surface or mortise installation on doors, gates or cabinets
• Low maintenance, no batteries or external power required

How to use

Set and use the preset combination according to the manufacturer’s mechanical setting procedure. To open, enter the correct sequence on the mechanical dials or levers, then operate the latch or handle as instructed in the installation guide. When closing, ensure that the locking mechanism engages fully. Periodic inspection and lubrication of moving parts is recommended to maintain smooth operation, following the manufacturer’s maintenance instructions.

Usage recommendations

Install on doors or enclosures where protection from direct weather exposure is provided; avoid locations with continuous heavy rainfall or salt spray. For increased operational life, inspect moving parts annually and apply a light lubricant compatible with mechanical locks. Keep the combination record in a secure place and limit knowledge of the code to authorized persons only.