Ajax MotionProtect
Main features:
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Motion detector (PIR): detects the movement of people up to 12 metres away.
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Pet-friendly: Does not react to animals weighing up to 20 kg and up to 50 cm high (if correctly installed).
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Wireless: Works with Ajax Hub over Jeweller radio protocol (up to 1700 m in open field).
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Battery life: Up to 5 years on a single CR123A battery.
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Avoidance of disturbance: immunity to thermal noise and electromagnetic disturbance.
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Software filters: analyses the signal in multiple layers to exclude false alarms.
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Easy installation: no special tools or wiring required. Installation can be completed in minutes with the SmartBracket fastener.
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Housing Tamper Protection (Tamper): alerts immediately if someone tries to remove or break the sensor.
Technical data (in general):
| Feature | Description |
|---|---|
| Radius of detection | Up to 12 m |
| Corner of vision | Horizontal: 88.5°, Vertical: 80°. |
| Working with Hub | Up to 1700 m in open field |
| Operating temperature | -10 °C to +40 °C |
| Pet-friendliness | Up to 20 kg / 50 cm |
| Aku | 1 × CR123A, battery life up to 5 years |
| Installation height | Preferably 2.4 m |
How it works:
MotionProtect uses passive infrared (PIR) to detect motion based on body heat. When a person moves within the sensor’s field of view, it sends an alarm signal to a central device (Ajax Hub), which notifies the user via a mobile app, SMS or audio signal.

