Restricted Access Master Key Systems

Master Key Systems are locks that allow different individuals (or groups) to access to a single room, collection of rooms in defined areas, or entire buildings with a single key. The main benefit of Master Key systems is that access can be controlled with the minimum number of keys, which is both secure, and convenient for users. We use EVVA Master Key systems, which are some of the most technologically advanced systems available on the Australian market, to provide the very best security for your business.
EVVA Master Key Systems are manufactured in Vienna, Austria, and offer the latest security technology with robust design and unique operating mechanisms. All this means a stronger lock solution for you and your business.

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Restricted Master Key System

  • Restricted master key systems are an effective way to increase the security of your business, it achieves a very high level of key control with increase physical security
  • Restricted master key systems offer the consumer the safety of knowing that in order to create a duplicate of these keys, the signature of the original customer is required
  • Restricted master key system is a tool to grant people access and deny access to others through doors

Xtreme Locksmiths can tailor a master key system on restricted locking profiles to maximise security over your key system.

These restricted master key systems can be as small as two different keys working one door all the way through thousands of keys working thousands of doors and locks. So no matter of size of your business, we can design a system that enables you to manage access to all areas.

Features Of Restricted Master Key Systems:

  • Protected by patents (only for 20 years)
  • high security keying system
  • pick, Bump and drill protection
  • large master key capabilities

Example Of A Master Key System:

  • Example: master key system (general main group key system) for an office building used by two companies, Smith Ltd. and Jones & Co.
  • GHS: The general master key locks all doors (e.g. for security guards)
  • HS 1 (Smith Ltd.): This master key locks all doors used by Smith Ltd. (e.g. for Smith Ltd.‘s director)
  • 1G 1 (Smith Ltd.): In addition to locking the main entrance and the general staff areas (storeroom, toilet, kitchen), the 1st group key only locks Smith Ltd. offices 1 and 2 (e.g. for the clerical assistant)
  • 1G 2 (Smith Ltd.): The 2nd group key locks the main entrance, the general staff areas and all secretariat doors (e.g. for the secretary of Smith Ltd.‘s director)
  • HS 2 (Jones & Co.): This master key locks all doors used by Jones & Co. (e.g. for Jones & Co.‘s owner)
  • 2G 1 (Jones & Co.): The 1st group key only locks the doors of the sales areas, the main entrance and the general staff areas (e.g. for Jones & Co.‘s sales staff)
  • 2G 2 (Jones & Co.): The 2nd group key locks the secretariat doors, the main entrance and the general staff areas (e.g. for the secretary)

Which Master Key System Types Are There?

  • The general main group key system
  • The main key system
  • The central lock system with technical master key
  • The combined master key system
  • The general main group key system

Several main groups with subordinate group and own keys are combined under a general master key in accordance with the hierarchical structure of a company (for complex organisation such as administration and infrastructure companies, industry, etc.).

The Main Key System

The main key system is one with different locking cylinders to which a master key is assigned (e.g. for the commercial sector)

The Central Lock System With Technical Master Key

For housing developments for example. Individual flats have different locking cylinders. Each flat resident locks the flat and the main entrance door with his/her key. A master key can also be provided which locks all engineering rooms.

The Combined Master Key System

In addition to the mechanical master key system, doors are also protected with an electronic locking system. The mechanical, and also electronic locking system, can only be operated by the user with an ID (combination key).

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