Ajax Superior MultiRelay Fibra

Four-channel relay with remote control

Advanced automation for greater safety

Superior MultiRelay Fibra is a relay module designed to implement complex wiring diagrams. It has four relays with potential-free (dry) contacts that can control four separate circuits independently. MultiRelay can integrate various appliances, electrical mechanisms and even third-party security devices into the Ajax system. With Ajax scenarios, the module provides fully automated actions in response to alarms and security mode changes or performs them by a specified schedule.

Key features

• 4 independent relays
• Automation scenarios
• Remote control and configuration
• Potential-free contacts - operate with both AC and DC circuits
• In-line connection with different types of devices
• 2 operation modes
• Informative in-app notifications
• Up to 0.18 W low power consumption
• Up to 2,000 m range of communication with an Ajax Hub
• Protection against overheating
• Tamper alarm
• Steady contact state

Smart security and comfort

Use automation scenarios to make life safer and more comfortable. Set your office lights to turn off automatically on arming. Program your projectors to turn on when outdoor motion detectors identify intruders. Or turn on your toaster at a certain time in the morning.

5 automation elements with MultiRelay

4 separate circuits control
The module has four relays that can control four separate circuits independently, meaning it can maintain four different appliances or electric mechanisms. Automation scenarios can be configured for each relay separately. Also, several relays can be connected to control one device if required by the wiring scheme.

Impulse and bistable modes
Each relay supports two operation modes:

Bistable — the relay changes contact state after each activation, turning the connected appliance on or off.
Pulse — the relay changes contact state for the adjustable time (from 10 s to 2 h).
The mode can be configured in Ajax apps for each relay separately.

Support for both AC and DC circuits
The module has relays with potential-free (dry) contacts and can control circuits with direct, alternating, or no current.

Steady contact state
The device retains the current contact state of a relay. After a power loss and subsequent restoration, the contact state remains unchanged. The feature can be activated in Ajax apps for each relay separately.

Configurable NC/NO contact states
Each relay supports two contact states:

Normally closed (NC) — the relay stops supplying power when activated and resumes when deactivated.
Normally open (NO) — the relay supplies power when activated and stops when deactivated.
The normal contact state can be configured in Ajax apps.

One multi-purpose casing

The convenience for PROs is a big priority, so Ajax products are always thought out to every detail, hence easy to work with. That’s why we created Case, a one-stop casing suitable for module-type Fibra devices. Various size options facilitate combining multiple modules, optimizing space and reducing installation expenses. MultiRelay is compatible with Case2 and can be installed in a single casing with other devices.

Unique wired technology

Fibra is proprietary Ajax technology for secure two-way communication between devices and a hub or module that extends the Fibra line. Fibra features encryption and device authentication to prevent sabotage, spoofing, and data theft. The Fibra line supports all types of devices, including sirens, keypads, and detectors with photo verification.

Energy efficiency as a priority

Fibra communication requires minimum power consumption: the module consumes only up to 0.18 W at its peak. Fibra also follows the TDMA principle. Each device has a short time frame to exchange data with a hub, and its communication module is inactive the rest of the time. This significantly reduces power consumption and helps avoid interferences even when multiple devices communicate simultaneously.

Sabotage resistance

Tamper alarm
MultiRelay needs to be installed into Case, which has a built-in tamper. The tamper notifies the security company and users about attempts to open Case or detach it from the surface.

Data encryption
All data the system stores and transmits is protected by a block cypher with a dynamic key. Encryption makes it extremely difficult to reprogram the device, replace or steal the data.

Regular polling
The device regularly exchanges data with the hub. The system controls each device state and reports if there is a malfunction or connection loss.

Protection against short circuit
The system instantly detects a short circuit on the line and notifies the security company and the users. And when the problem is fixed, there is no need to replace the fuses: the system will restore operation automatically.

Data-rich notifications
The Ajax system instantly notifies about alarms and events with informative notifications: security companies and users know exactly which device triggered, when and where it happened.

Device authentication against spoofing
The hub checks the device's unique parameters for authentication during each communication session. If any parameter fails the check, the hub ignores device commands.

PRO is king

The myth about wired systems being difficult to install is busted. Ajax minimized an expensive, long, and dusty experience for PROs by developing an ultimate set of tools to make the process easy and flexible, from project design to client support and system maintenance. The module is installed inside Case with only one move of the hand. Intuitive Ajax apps help quickly make the device a part of the system, and each device can always be reconfigured remotely without site visits. No need for programmers — everything is available out-of-box.