DoorProtect Plus Fibra

Wired opening detector with shock and tilt sensors



Fibra communication technology

Proprietary wired communication technology. Fibra combines the reliability of wires with the freedom of radio connection. It features:

  • Two-way communication.
  • Advanced anti-sabotage protection.
  • Instant notifications.
  • Remote configuration via the Ajax apps.

Learn more

Line connection 4-core cable

Encrypted communication

Fibra line length up to 6,500 ft When using the U/UTP cat.5 twisted pair. Calculate the line length at the facility


Sensing element 1 × accelerometer 2 × reed switch The magnet can be installed to the right or left side of the detector.

Opening sensors resource up to 2,000,000 For each reed switch.

Additional detector connection Wired detector with the normally closed (NC) contact type. Learn more

Shock sensor sensitivity 3 levels Adjusted by PRO or user with admin rights in the Ajax app.

Option to ignore single shock Enabled by PRO or user with admin rights in the Ajax app.

Tilt sensor activation threshold from 5° to 25° Adjusted by PRO or user with admin rights in the Ajax app.

Shock sensor sensitivity

Reed switch

Additional detector connection


Do not install the detector using both magnets at the same time. The detector recognizes only one magnet on one side of the detector — left or right.

The device is designed for indoor use only.

Anti-sabotage protection

Tampering alarm Alerts of attempts to detach the detector from the surface or remove the mounting panel. Learn more

Protection against forgery Device authentication

Power supply

Fibra line power supply 5−30 V⎓, up to 24 mW The detector is powered by the control panel.


Dimensions 3.56″ × 0.83″ × 0.73″

Weight 1.90 oz

Operating temperature range from 14°F to 104°F

Operating humidity up to 75%

Protection class IP50



Complete set

DoorProtect Plus Fibra Big magnet Small magnet Installation kit Quick Start Guide

Additional information

Compliance with standards Learn more

Warranty 24 months Learn more

User manual Learn more

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