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What is a High Sec Alarm System?

Gallagher’s High Sec Alarm System provides extreme security for high-risk environments. Built and certified to the AS/NZS 2201 Class 5 standard, these alarms meet rigorous requirements for design, installation, and maintenance. They are the gold standard for facilities where security is non-negotiable, including…

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H3C Plus: Australia’s Leading Gallagher Class 5 Systems Integrator

When it comes to high-security intrusion systems, the Gallagher Class 5 standard is the benchmark for resilience, encryption, and compliance. These systems are engineered to protect the most critical assets — from data centres and vaults to government facilities and high-risk infrastructure.

At H3C Plus, we’re proud to stand at the forefront of this niche. Here’s why we are Australia’s go-to integrator for Class 5 installations and support:

✅Why H3C Plus Stands Out

1. Certified Expertise — Nationwide

We have invested heavily in training and certifying our staff across Australia, ensuring that in any state or territory we have qualified professionals who understand the exacting demands of Class 5. Our team is fluent in the technical requirements needed to design, integrate, commission, and maintain systems that meet AS/NZS 2201 (Class 5) standards.

2. Deep Gallagher Partnership

As a trusted Gallagher integrator, we are intimately familiar with their High-Security / High-Sec Alarm System range. We deliver solutions that incorporate encrypted communications, tamper-resistant hardware, monitored backup systems, and real-time integration with Gallagher Command Centre.

3. Full Life-Cycle Services

From the initial design and “as-built” documentation to commissioning, periodic servicing, walk testing, and firmware upgrades, we provide complete support for Class 5 compliance and ongoing performance. We understand that maintaining certification is just as important as obtaining it.

4. Tailored Solutions for High-Risk Environments

We specialise in environments where security is non-negotiable — whether that’s data centres, government or defence sites, financial institutions, critical infrastructure, or secure research facilities.

5. National Reach, Local Presence

While our operations cover the entire country, we maintain a presence at a state level. That local footprint ensures our teams can respond quickly, understand regional regulatory nuance, and deliver personal, responsive service.

💡 What Class 5 Means (and Why It Matters)

• ** AS/NZS 2201 Class 5 / High-Security Standard**: Designed to resist insider tampering, ensure encrypted end-of-line supervision, protect against cable compromise and meet stringent performance benchmarks.

• Full Encryption & Tamper Detection: Every device in a Class 5 system communicates securely. Attempts at physical tampering, cable bypass, or intrusion will be detected.

• Certifiable & Auditable: Class 5 systems require rigorous documentation, periodic testing, and adherence to strict protocols. In many government or regulated environments, only Class 5 systems are acceptable.

• Integration Capability: Class 5 systems can dovetail with access control, video, command & control, and other security layers — allowing holistic, high-assurance security architectures.

📈 Proven Capability, Trusted Results

H3C Plus has delivered multiple Class 5 projects across Australia, meeting the most demanding certification and compliance requirements. Our clients depend on us to not only install, but to ensure long-term integrity and performance in sensitive environments.

We don’t just meet the standard — we exceed it, every time.

If your organisation is evaluating or upgrading to Class 5, or if you require ongoing support for high-security environments, H3C Plus is ready to partner with you.

Contact us at H3C Plus to explore how we can design, deploy, certify, and maintain a Gallagher Class 5 solution that safeguards your most critical assets.

Discover the Benefits of Class 5 Alarm System here:
Gallagher High Sec Alarms System

Tags: #GallagherC5 #SecurityInnovation #H3CPlus