The Ajax FireProtect 2 RB 52252.137.WH1 is a next-generation wireless safety detector designed to protect against fire and carbon monoxide hazards.
• Three sensors in one device: smoke, heat, and CO detection ensure comprehensive safety coverage.
• Dual-spectrum optical smoke chamber accurately differentiates between real smoke and vapor to reduce false alarms.
• Electrochemical CO sensor detects dangerous carbon monoxide levels before they reach a critical point.
• Heat sensor triggers an alarm upon rapid temperature rise or when ambient temperature exceeds 64°C.
• Uses Jeweller wireless technology with up to 1,700 m communication range in open space.
• Works seamlessly with Ajax security hubs and the Ajax mobile app for remote monitoring.
• Replaceable battery provides up to 7 years of uninterrupted operation.
• Elegant white finish designed to suit modern interiors.
• Certified for use in residential and commercial buildings under EU standards.
The FireProtect 2 RB 52252.137.WH1 ensures reliable, multi-sensor protection that integrates perfectly with Ajax smart security systems.
| Field | Value | |
| Model | 52252.137.WH1 | |
| Brand | Ajax Systems | |
| Type | Wireless Smoke, Heat & CO Detector | |
| Colour | White | |
| Communication Protocol | Jeweller | |
| Wireless Range | Up to 1 700 m (open space) | |
| Detection Sensors | Smoke (optical), Heat, CO (electrochemical) | |
| Power Supply | Replaceable battery | |
| Battery Life | Up to 7 years | |
| Installation | Method | SmartBracket mounting |
| Operating Temperature | 0 °C to +50 °C | |
| Dimensions | 124 × 124 × 45 mm | |
| Compatibility | Ajax Hub, Hub Plus, Hub 2, Hub 2 Plus, Hub Hybrid | |
| Certifications | EN 14604:2005/AC:2008, EN 50291-1:2018 | |
| Colour Version | White (WH1) | |
| Protection Area | Indoor use | |



