Ajax Relay Jeweller

Part Number: AJ-DRY-RELAY Categories , ,

The Ajax Relay Jeweller is a dry contact relay to control12–24V⎓ power supply and appliances remotely. It is a controller for remote control of low current equipment. It is used to activate electric locks, gates and swing gates, rolling shutters and blinds, and to restart modems and routers.

  • Authentication to prevent forgery
  • Jamming detection and communication channels encryption
  • Protected from power surges and overheating
  • With one click in the mobile app, the device switches domestic appliances on or off
  • It switches off automatically during voltage surge and overheating
  • Information on the voltage level is available in the mobile app
Radio channel relay unit
Device type
Installation method
Into electric switchboard, junction box
Operates with all Ajax hubs, range extenders
Actuating element
Electromagnetic relay
Relay service life
200,000 switch-ons
Voltage protection
Max — 36.5 V, min — 6.5 V
Maximum load current
5A at 36V DC, 13A at 230V AC
Maximum current protection
Maximum temperature protection
> 65°C at the place of installation
Electric power meter function
Energy consumption parameter check
Power supply
7 – 24 V (DC only)
Jeweller radio technology
Communication range with central unit — up to 1,000 m in an open space
Two-way communication between devices
Operating frequencies — 868.0 – 868.6 MHz
Self-adjusting RF output power — up to 25 mW
Block encryption based on AES algorithm
Device scanning period — 12 – 300 s
Operating temperature range
From 0°С to +64°С
Permissible humidity
Up to 75%
Protection class of body


Protection against fraud
Jamming detection
Remote setting and testing
39 × 33 × 18 mm
25 g
Complete set
Installation set
User’s guide