Ajax FireProtect 2 RB/HSC (White) is a wireless smoke, heat and carbon monoxide (CO) detector with built-in siren. It gives early warning of smoke, rapid temperature rise and dangerous CO concentrations, sends an alarm to the Ajax app and can activate automation scenarios (e.g. sirens, ventilation shutdown or lights on).
- 3 in one: smoke, heat (H), CO (HSC version).
- Jeweller wireless communication with encryption.
- 85 dB built-in siren (at 3 m), LED indication.
- Automatic self-test, error and battery level notifications.
- Replaceable batteries (RB) with long life.
- Suitable for homes, offices and commercial premises.
Technical specification
| Model / MPN | FireProtect 2 RB/HSC White |
|---|---|
| Types of detection | Smoke (optical sensor), heat (thermistor), CO (electrochemical sensor) |
| Built-in siren | 85 dB @ 3 m; audible + LED indication |
| Wireless technology | Jeweller 868 MHz, encrypted transmission |
| Operating distance | Up to 1700 m in the open |
| Self-diagnostics | Automatic testing, remote testing in the app |
| Feeding | 2 × CR123A (replaceable); long lifetime |
| Operating temperature | 0...+50 °C |
| Relative humidity | Up to 80% RH (non-condensing) |
| Protection | Sabotage sensor (tamper), protection against unwanted switch-off |
| Assembly | Ceiling or wall (interior), screw fixing |
| Dimensions / weight | 124 × 124 × 45 mm; 272 g |
| Standards | EN 14604 (smoke), EN 50291 (CO) - depending on version |
Where is it useful?
- In bedrooms, living rooms, corridors and attics.
- Boiler rooms and garages where CO formation is likely.
- Homes and commercial premises with a higher fire risk.
Installation recommendations
- Install in the ceiling in the centre of the room or according to fire safety requirements.
- Do not install directly in front of vents or windows.
- For CO detection, place the detector at breathing height.
- Regularly self-test and clean the sensor chamber.
FAQ
How is RB/HSC different from other versions of FireProtect 2?
RB - replaceable batteries; HSC - smoke, heat and CO detection in one housing.
Can I silence an alarm from the app?
Yes - you can silence and test from the Ajax app.
Does the device work without internet?
Yes - communication with the hub is by radio, the siren works locally.
How long do the batteries last?
Usually for several years; the app warns of low levels.
Did you know?
- The CO sensor warns of the risk of poisoning even without smoke or flames.
- The optical smoke sensor reduces false alarms from fumes.
- Automation scenarios can automatically switch off ventilation in the event of a fire.
