Description
Protecting your system against power instability, the Ajax fire safety systemsProtect2 SB (Sealed Battery) Wireless Smoke & Heat – Black (AJA-52255) ensures your Ajax hardware remains online 24/7.
Engineered with Black EN50131 Grade 2 capability, the Ajax FireProtect2 SB (Sealed Battery) Wireless Smoke & Heat – Black (AJA-52255) (AJA-52255) offers precision-focused performance for the Ajax security ecosystem. This unit is designed to meet the rigorous demands of modern security installations.
Expert Analysis
Engineered by Ajax for harsh environments, this power supply offers superior false-alarm immunity compared to generic alternatives.
Why buy from our professional collection EE?
As an official UK stockist, we provide 24-month warranties on all professional hardware. Our technical team is available to support your installation with expert guidance on system configuration.
Recommended Use Case
A versatile component designed to enhance the overall security and responsiveness of your professional Ajax system.
What’s in the Box?
- 1 x Ajax FireProtect2 SB (Sealed Battery) Wireless Smoke & Heat – Black (AJA-52255)
- Pre-installed CR123A or equivalent battery
- Mounting Kit (Screws & Wall Plugs)
- Quick Start Installation Guide
- Built-in overcurrent protection
- Reliable backup capability
- Proper ventilation is recommended
Advanced Technology: Utilizes the proprietary Jeweller radio protocol for secure, long-range communication of up to 2,000 meters in open space.
Aesthetic Finish: Satin Black
Expert Verdict
- 1 x Ajax FireProtect2 SB (Sealed Battery) Wireless Smoke & Heat – Black (AJA-52255)
- Pre-installed CR123A or equivalent battery
- Mounting Kit (Screws & Wall Plugs)
- Quick Start Installation Guide
- Built-in overcurrent protection
- Reliable backup capability
- Proper ventilation is recommended
- 1 x Ajax FireProtect2 SB (Sealed Battery) Wireless Smoke & Heat – Black (AJA-52255)
- Pre-installed CR123A or equivalent battery
- Mounting Kit (Screws & Wall Plugs)
- Quick Start Installation Guide
- Built-in overcurrent protection
- Reliable backup capability
- Proper ventilation is recommended
Explore our wider range of comprehensive fire safety solutions to complete your installation.
Technical Overview
| Brand | Ajax |
| System Type | Wireless |
| Compatibility | Ajax |
| Location | Indoor |







