Ajax FireProtect 2 SB (CO) Jeweller
FireProtect 2 SB (CO) Jeweller is a next-generation detector with built-in batteries (10 years of operation) that protects your home from invisible threats — carbon monoxide (CO) leaks and fire. It features a chemical CO sensor that reacts before the concentration becomes critical, a powerful 85 dB siren, and Ajax app notifications. Supports synchronous alarms and works both as part of the Ajax system and autonomously.
Specifications:
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Device type: Wireless CO and fire detector with built-in batteries
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Service life: up to 10 years (CR123A, built-in)
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Communication: Jeweller (two-way communication, encryption, frequency hopping)
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Communication range: up to 1700 m (open space)
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CO detection thresholds:
• 50 ppm — ≤ 90 min
• 100 ppm — ≤ 40 min
• 300 ppm — ≤ 3 min -
Sensor lifetime: 10 years
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Built-in siren: 85 dB (±3 dB)
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LED indication: power, faults, alarms
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Power supply: 2 × CR123A (built-in, non-replaceable)
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Operating temperature: 0…+50 °C
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Humidity: up to 80%
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Dimensions: 44 × 86 × 86 mm
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Weight: 143 g
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Colors: white, black
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Package contents: FireProtect 2 SB (CO), SmartBracket, mounting kit, 2 × CR123A (built-in), user manual





