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Demystifying Class 5 Intruder Alarm Systems

Class 5 systems are ideal for locations that require an enhanced level of security such as correctional facilities, financial institutions, data centres, medical research facilities, government facilities, and other such facilities storing assets of critical national importance.

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Demystifying Class 5 Intruder Alarm Systems’ Functionality And Advantages.

Demystifying Class 5 Intruder Alarm Systems – Class 5 intruder alarm systems are an extremely secure type of alarm system, designed according to the Intruder Alarms Standard AS/NZS 2201.

Class 5 systems are ideal for locations that require an enhanced level of security such as correctional facilities, financial institutions, data centres, medical research facilities, government facilities, and other such facilities storing assets of critical national importance.

Generally, Class 5 systems require the use of active end of line (ELM) modules, higher level authentication to disarm, more frequent polling to monitoring stations, stringent battery backup and recharge requirements, as well as a more secure cabinet with enhanced hardware and componentry.

By implementing a Class 5 solution, clients are assured alarms are reported should the system come under attack.

High Security Alarm Standards

The Intruder Alarms Standard AS/NZS 2201 was published in 2007 and specifies the minimum requirements for the design, commissioning, installation, and maintenance of intruder alarm systems rated from Class 1 (lowest security level, suitable only for domestic use) to Class 5 (highest security level, suitable for protection up to an extreme business level).

For Australian government entities seeking zone 3 compliance, the Protective Security Policy Framework document must also be considered. The Policy 16 Entity Facilities of the Protective Security Policy Framework outlines the guidance for physical security controls for different security zones.

The 5 security zones detail the level of security needed to meet the risk level of an entity facility. While not strictly considered high security, zone 3 areas still require precise security controls. Zone 3 areas are closed to the public, with restricted access for authorized personnel.

Class 5 solutions are ideally suited for sites that require enhanced levels of security. The Class 5 intruder alarm system is designed specifically to meet the unique security requirements of high-value and high-risk facilities such as government agencies, defence facilities, banking, data centres, and pharmaceutical companies. These systems are robust, versatile, and provide reliable security to safeguard against potential threats.

Class 5 solutions should be utilized by sites that need higher levels of security; this could be correctional facilities, financial institutions, and data centres – any site where a breach could cause serious business impacts. Class 5 solutions are also used to ensure the protection of zone 3 areas within Australian government entities. These areas are restricted and therefore need an assured solution that provides a high level of protection.

When installed and implemented in the correct manner, a Class 5 intruder alarm can provide a high-security level of protection. The Class 5 is a cost-effective solution, offering the protection of a high-quality, certified intruder alarm system.

What Comprises A Certified Class 5 Alarm System

A Class 5 solution is not just the alarm technology provided and its implementation; it is also the detailed documentation, operating procedures, and maintenance carried out on the system.

In order to meet the Class 5 requirements, a Class 5 solution must include the following in addition to the alarm system:

As built documentation that includes detailed plans of installation:

  • Logbook
  • End user training
  • Warranties of all installed equipment
  • Full maintenance schedule
  • Written advice on remote access
  • 99.95 per cent up time to monitoring (local/remote) with polling every 20 seconds.

Once the checklist above has been completed, a qualified system installer or consultant can provide a declaration that the installed solution complies with the AS/NZ 2201 standard.

In addition, Class 5 solutions installed in Australian government zone 3 areas require the use of SCEC-approved detection devices available in the SEEPL catalogue.

Importantly, certification for a Class 5 intruder alarm revolves around the whole solution and implementation, not just the technology itself. To meet the requirements of Class 5, the system requires regular servicing by an authorized provider which must be carried out annually, at a minimum, and requires a report to be issued on completion of the maintenance.

The maintenance report needs to be signed by both the technician performing the maintenance and the client receiving the report. The report will include recommendations for performance improvement or alterations to ensure compliance is kept.

Other ongoing requirements for a client include:

  • Staff trained to adequate levels on operation of the system
  • System utilized in a satisfactory manner
  • Walk testing of the system monthly
  • Fault rectification is performed as soon as possible
  • Ensure system remains compliant with AS/NZS2201
  • Responsibility for compliance of the system ultimately lies with the client.

The Gallagher Class 5 Solution

Gallagher high security solutions are scalable, flexible, and trusted to protect sensitive sites worldwide. With a dedicated high security R&D team, Gallagher is amongst the best in the world when it comes to meeting government high security standards. Security is built in at every level, meaning the hardware and software that make up Gallagher’s solutions are designed to be as secure as possible from inception.

Gallagher’s Class 5 solution provides a fully encrypted, authenticated, and compliant solution that has been independently certified by an IANZ approved test facility and can protect high-value assets from physical security threats. Gallagher also offers standalone solutions for smaller air-gapped secure areas.

Specialized Class 5 training is available to Gallagher channel partners to provide awareness and understanding of the requirements for installing a compliant solution. Part of this training includes reviewing the compliance checklist that is issued with a Gallagher Class 5 solution and what is needed to ensure this is completed.

You can discover more about Gallagher’s Class 5 solution and other high security offerings here or read more SEN news here.

* Karl Harris is national high security & federal manager for Gallagher in Australia.

“Demystifying Class 5 Intruder Alarm Systems’ Functionality And Advantages.”


Karl Harris
Karl Harris
With over 25 years’ experience in the security industry, Karl has a wealth of knowledge from field level to management, and high security.Karl first joined Gallagher as a Business Development Manager (BDM) in South Australia. Two years later, he took up a newly established role as Sales Manager for South Australia and Northern Territory (SA & NT) and during his six-year tenure, the region saw exceptional growth. Most recently, he was promoted to National High Security and Federal Manager in October 2023.When Karl’s not travelling, or in meetings, you will find him out walking with his partner, and two very energetic BeaglesSpecialising in High Security, Class 5, Access Control, Intruder Alarms, Perimeter Security.


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