What is Relay Jeweller used for?

Relay Jeweller is a wireless dry-contact relay designed to control low-voltage circuits such as gates, locks, valves, and automation equipment within an Ajax security system.

What type of output does Relay Jeweller provide?

It provides a dry-contact output that can operate in pulse or bistable mode, allowing it to switch low-voltage circuits without supplying power to the load.

What is the operating voltage for the controlled circuit?

Relay Jeweller switches low-voltage circuits up to 36 V DC or 230 V AC, depending on the connected device’s requirements.

Does Relay Jeweller support automation scenarios?

Yes. It can be controlled manually or through Ajax automation scenarios triggered by schedules, security mode changes, or detector events.

What is the communication range?

The Jeweller protocol provides up to 1,000–1,700 metres of encrypted two-way communication in open space, depending on the hub model.

Does Relay Jeweller support tamper detection?

Yes. It includes device authentication, jamming detection, and communication loss monitoring to prevent sabotage.

How is Relay Jeweller powered?

It is powered by a 12 V DC supply and does not use batteries.

Relay Jeweller Dry Contact 12V

A low‑current dry‑contact relay for 7–24 V DC circuits, supporting pulse and bistable modes, potential‑free switching, and up to 1,000 m encrypted Jeweller communication for automation and remote equipment control.

Online pricing for this product is unavailable due to supplier restrictions. Please contact us for an authorised quote.

Available Colours

View Datasheet (PDF)

Relay Jeweller

A low‑current dry‑contact relay designed for remote equipment control, automation scenarios, and integration with Ajax security systems. Relay Jeweller provides potential‑free switching, supports both pulse and bistable modes, and operates from a 7–24 V DC power supply. With long‑range encrypted Jeweller communication and flexible installation options, it is suitable for residential, commercial, and industrial automation tasks.

Key Features

Potential‑free dry contacts for controlling low‑voltage or mains‑powered circuits
Pulse or bistable operation with adjustable pulse duration (0.5–255 seconds)
7–24 V DC power supply with voltage protection
Up to 1,000 m Jeweller communication with encryption and authentication
Supports automation scenarios including alarms, schedules, mode changes, and environmental triggers
Compact form factor (39 × 33 × 18 mm) for junction boxes, panels, or DIN Holder installation
Controls gates, locks, valves, blinds, smoke cannons, and more
QR‑code pairing for fast setup

How It Works

Relay Jeweller is installed in the electrical circuit gap to control the power supply of connected equipment. Its potential‑free contacts are galvanically isolated from the power input, allowing the relay to switch both DC and AC circuits, including 12/24 V DC lines or 110/230 V AC loads.

The relay can operate in:

Bistable mode — maintains its state until changed
Pulse mode — activates for a defined duration (0.5–255 seconds)

Relay can be controlled via Ajax apps, automation scenarios, Button, or the onboard function button.

Installation & Setup

Connect Relay to a 7–24 V DC power source
Install inside a junction box, electrical panel, or switching unit
Pair with the hub by scanning the QR code
Configure pulse/bistable mode, contact state, and automation scenarios in the Ajax app

Relay supports installation with the optional DIN Holder for mounting on a 35 mm DIN rail.

Reliability & Supervision

Relay uses the Jeweller two‑way radio protocol to maintain stable communication with the hub:

Up to 1,000 m range in open space
Adjustable ping interval (12–300 seconds)
Encrypted communication with authentication
Jamming detection and anti‑sabotage protection

Voltage and temperature protections ensure safe operation in demanding environments.

Compliance

IP20 protection class
Operating temperature: −20°C to +64°C
Humidity: up to 85% (non‑condensing)
Warranty: 24 months

Specifications

Device Type	Low‑current dry‑contact relay
Classification	Radio channel relay unit
Installation Method	Into electric switchboard, junction box, switching unit body
Compatibility	All Ajax hubs and radio signal range extenders
Actuating Element	Electromagnetic relay
Relay Service Life	200,000 switch‑ons
Voltage Protection	6.5–36.5 V DC
Maximum Load Current	5 A at 24 V DC; 13 A at 230 V AC
Maximum Current Protection	No
Temperature Protection	Triggers at +65°C at installation point
Energy Monitoring	Voltage only
Operation Modes	Pulse or bistable
Pulse Duration	0.5–255 seconds
Contact State	Normally open / normally closed
Power Supply	7–24 V DC
Alarm Delivery Time	0.15 s
Jeweller Communication Range	Up to 1,000 m in open space
Jeweller Frequency Bands	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 (region dependent)
RF Output Power	Up to 25 mW
Ping Interval	12–300 s (configurable)
Operating Temperature	−20°C to +64°C
Operating Humidity	Up to 85%
Protection Class	IP20
Dimensions	39 × 33 × 18 mm
Weight	25 g
Anti‑Sabotage	Jamming detection, authentication, encryption
Complete Set	Relay, installation set, user guide
Service Life	10 years
Warranty	24 months