L&F 3780 Digital Combination Lock

The L&F 3780 Digital Combination Lock by Lowe & Fletcher is an easy-to-use and highly versatile electronic code lock system, providing convenient keyless access for a wide range of environments. Ideal for lockers, office furniture, and postal boxes, this lock eliminates the need for physical keys while maintaining robust security.

It features an audible 10-button keypad and supports multiple code levels, including a 4-digit user code, a 6-digit sub-master code, and an 8-digit master code. With both auto-lock and auto-unlock modes, it can be easily configured to suit your specific operational requirements. Designed for vertical fixing, it features reversible handing to accommodate both left- and right-handed doors.

The lock is powered by two AA batteries (included), which can deliver up to 50,000 cycles before needing replacement. For added peace of mind, a mechanical key override function is built-in to allow emergency access (override key is not included).

This lock is available in multiple finishes, including Black and Silver, with corresponding manufacturer references (3780B or 3780809). Please select your preferred finish and option from the choices below.

Technical Specifications

• Brand: Lowe & Fletcher (L&F)
• Mechanism: Electronic Digital
• Keypad: 10-button audible keypad
• Code Length: 4 to 8 digits (4-digit user, 6-digit sub-master, 8-digit master)
• Handing: Non-handed (reversible handing)
• Fixing: Vertical fixing
• Cam: Fitted with 45mm cam
• Power Source: 2 x AA batteries (included)
• Battery Life: Up to 50,000 cycles per pair of batteries
• Dimensions: 37mm (Width) x 23mm (Depth)
• Weight: 324g
• Finishes: Available in Black or Silver (please choose from the options below)
• Manufacturer References: 3780B / 3780809 (please choose from the options below)

Key Features

• Keyless Access: Convenient digital code system eliminates the hassle of managing physical keys.
• Flexible Code Levels: Multiple code options (user, sub-master, and master) provide versatile access control.
• Auto Lock & Unlock: Programmable modes to enhance security and ease of use.
• Mechanical Override: Built-in key override function ensures access in emergencies (override key sold separately).
• Energy Efficient: Powered by included AA batteries, offering up to 50,000 cycles.
• Reversible Handing: Suitable for vertical mounting on both left- and right-handed doors.