Ajax DoorProtect Jeweller magnetic contact detector white
The Ajax DoorProtect Jeweller magnetic detector, in the white version, is a wireless device designed to detect the opening of doors and windows, sending immediate notifications to the security system. It is ideal for protecting the main entrances to your home or office and can be installed on any surface, including metal surfaces.
With Jeweller radio communication, it provides stable coverage, low power consumption and a long battery life of up to 7 years.
- Wireless magnetic opening detector with high-quality reed relay
- Can be installed on any type of doors and windows, even on metal surfaces
- Battery life of up to 7 years
- External contact available for third-party wired sensors
- Complete set with two magnets: Large magnet: up to 2 cm distance / Small magnet: up to 1 cm distance
- Transmitter function for signal from wired sensors to hub
- Easy installation on SmartBracket
- Instant configuration via Ajax mobile app
- Full compatibility with Ajax systems equipped with Jeweller technology
The article is also included in the kit:
Frequently bought together
DoorProtect Jeweller detector: Features and operation
Wireless opening detector. Sends notification at the first signs of intrusion into a room through the breaking of a door or window. Can be installed on all types of doors and metal surfaces.
- Authentication system to prevent forgery
- Detection of inhibition attempts and encrypted communication channels
- Alarm in case of tampering
- Device operates for up to 7 years without the need to replace the battery
- External contact is available to connect third-party detectors
- Complete with various sized magnets for installation on very thin door frames or structures
How the Ajax detector works
The device detects the opening of doors or windows by means of British-made hi-end reed relays, on which the magnetic field acts. It works in transmitter mode, sending a signal from the wired sensor to the hub.
Features of the Ajax Contact
The device consists of two modules, detector and magnet. The set comes with two magnets: a large magnet to be installed at a maximum distance of 2 cm, a small magnet to be installed at a maximum distance of 1 cm
Installation and configuration of the DoorProtect
Immediately ready to use: the battery is already installed, no need to disassemble the detector. Connects to the hub via mobile app with one click. Mounts to the SmartBracket in minutes.
Compatibility with Ajax devices
| Compatible devices |
|---|
| Hub (2G) Jeweller |
| Hub (4G) Jeweller |
| Hub 2 (2G) Jeweller |
| Hub 2 (4G) Jeweller |
| Hub 2 Plus Jeweller |
| Hub BP Jeweller |
| Hub Hybrid (2G) |
| Hub Hybrid (4G) |
| Hub Hybrid (4G) (without casing) |
| Hub Plus Jeweller |
| ReX 2 Jeweller |
| ReX Jeweller |
DoorProtect Ajax Contact Specifications
Jeweller Communication Technology
| Feature | Description |
|---|---|
| Description | Proprietary wireless communication technology for transmission of commands, alarms and events. |
| Key Features. | - Two-way communication. - Advanced anti-sabotage protection. - Block encryption with mobile key. - Instant notifications. - Remote configuration via Ajax apps. |
| Operating frequencies. | - 866.0-866.5 MHz - 868.0-868.6 MHz - 868.7-869.2 MHz - 905.0-926.5 MHz - 915.85-926.5 MHz - 921.0-922.0 MHz Based on sales region. |
| Maximum effective radiated power (ERP) | up to 20 mW |
| Automatic power control | Reduces power consumption and noise interference. |
| Radio signal modulation | GFSK |
| Radio communication range | Up to 1,200 m (between detector and central unit or repeater in open field) |
| Encrypted communication | All saved and transmitted data are protected by block encryption with a moving key. |
| Frequency hopping | Radio communication uses frequency hopping to prevent eavesdropping and inhibition. |
Detection
| Feature | Description |
|---|---|
| Sensor type | 1 reed relay |
| Magnets | The small and large included in the set. The small magnet works up to 1 cm from the detector, the large magnet up to 2 cm. Attach the magnet to the right side of the detector. |
| Protection against reed relay vibration | The detector ignores vibrations of duration up to 0.15 s. |
| Input for connecting an additional detector | Wired detector with normally closed (NC) contact type. |
Installation
| Feature | Description |
|---|---|
| Using magnets | Do not install the detector using both magnets at the same time. The detector recognizes only one magnet on one side of the detector. |
| Magnet placement | Attach the magnet to the movable part of the door (window) to the right of the detector. The side to which the magnet is attached is marked by an arrow on the detector housing. |
| Type of installation. | The device is designed for indoor use. |
Anti-sabotage protection
| Feature | Description |
|---|---|
| Tamper alarm | Notifications if an attempt is made to detach the detector from the surface or remove it from the mounting panel. |
| Protection against counterfeiting | Device authentication |
| Detection of loss of connection | within 36 s (depends on Jeweller or Jeweller/Fiber settings) |
Power supply
| Feature | Description |
|---|---|
| Battery | 1 × CR123A (preinstalled) |
| Type | C type |
| Calculated battery life | up to 7 years |
| Rated operating voltage of the device | 3 V⎓ |
| Current consumption of the device at rest at rated voltage | 17.5 μA |
| Maximum device current consumption at rated voltage | 21.4 mA |
| Full battery capacity | 1,600 mAh |
| Low battery voltage | 2,5 V⎓ |
| Low battery recovery voltage | 2,7 V⎓ |
| End-of-life battery voltage | 2.1 V⎓ (device is turned off) |
| Battery capacity at end of life | 300 mAh |
| Manufacturer | Huiderui |
Case
| Feature | Description |
|---|---|
| Dimensions of the detector | 90 × 20 × 20 mm |
| Size of large magnet | 90 × 20 × 20 mm |
| Dimensions of the small magnet | 55 × 11 × 6 mm |
| Weight of the detector | 29 g |
| Operating temperatures | -10 °C to +40 °C |
| Maximum allowable humidity | up to 75% |
| Protection class | IP50 |
Package contents
| Element | Description |
|---|---|
| Main device | DoorProtect Jeweller |
| Mounting panel | SmartBracket |
| Battery | CR123A (preinstalled) |
| Magnets | Large magnet, small magnet |
| Additional input | External detector connection input |
| Installation accessories | Installation kits |
| Documentation | Quick Start Guide |
Data sheet
- Colour: White
- Type: Contacts Wireless
- System: Wireless
- Installation: Doors and Windows
Internal
: 15

