What is the optional 4-eyes principle (dual control) for safe locks?

The 4-eyes principle (dual control) is an optional electronic-lock mode that requires two different people to each enter their own valid code before the safe will open, so no one can access it alone.

Mechanical Combination Lock - LG 3390

Item no.: FT-LG 3390

LG 3390 Mechanical Combination Safe Lock

This high-security safe lock is certified by VdS in Class 2 according to the European Norm EN 300 Class B.

This safe lock can be used with a dial and ring assembly. The LG 3390 combination lock has an integrated relocker and a bolt blocking system, which is supposed to help in case of manipulations of the lock cover.

Furthermore, the lock has admissible mounting positions from right hand, left hand, vertical up and vertical down.

Features

3-wheel combination lock with dead bolt
Integrated relocker: bolt blocking in case of manipulation of the lock cover
Die-cast lock case, bolt and drop lever
Hardware pack: change key, spline key
2 screws 1/4 - 20 x 3/8 PH (pocket hole) , 2 screws 1/4 - 20 x 1 PH (pocket hole), metric hardware available
Spline key, suitable for all LA GARD dial and ring combinations/spindles
Right or left hand (upside down) safe lock opening clockwise (turning the key to the right)
Separate change and opening marking
Change is performed at the back of the lock using a change activator (steel, 85 (50) mm long)
Weight approx. 460 g

Currently, we are not able to sell this lock separately. It can only be bought together with a safe.

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Product specifications

Product Information

Specifications
Model	Mechanical Combination Lock LG 3390 LA GARD

Questions & Answers

Common questions about this product, from our Knowledge Base.

My electronic safe lock is out of battery. How can I replace the battery?

All our safes with a codelock have emergency access: 1) an external contact on which an external 9V backup battery can be connected, 2) there is an emergency key, or 3) the battery can be changed from outside.

Safe Locks: What are the lock requirements for each burglary grade?

A safe´s burglary rating determines the minimum amount of time for which a safe must be able to withstand an attack. With regards to the locks specifically, these are classified in ascending security classes going from A through D as per EN-1300 Regulation. Additionally, starting at security grade IV, safes and vaults must contain 2 separate locks.

Safe Locks: Which lock should I choose - Key or Code Lock?

Safes or security cabinets usually come with several locking options. Key and code locks offer the same security level - choose according to your preferences. Most customer choose a code or electronic lock for their safe due to the convenience of not having to deal with a key. All our code locks offer emergency access if the battery runs out.

Safes: Problems with closing or opening the safe?

There can be various reasons why you are not able to close or open the safe, but most of the time the cause is simple to solve.

My safe's lock is branded SG or S&G — can SafeGear provide support?

Locks branded SG or S&G are made by Sargent & Greenleaf, not by SafeGear. Despite the similar names, we are a different company and cannot service or open these locks. For help with an SG / S&G lock, please contact the retailer where you purchased your safe, or Sargent & Greenleaf directly at sargentandgreenleaf.com.

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