AJAX Relay User Manual

Connecting to the hub
Before connecting the device:
Only users with administrator rights can add a device to the app
To pair Relay with a hub:
Bistable — Relay opens or closes contact and remains in this state.
Pulse — Relay opens or closes contacts for a pre-set time (from 0.5 to 255
seconds) then switches back to the initial state.
1. Switch on the hub and check its Internet connection (the logo glows white
or green).
2. Install the . Create the account, add the hub to the app, and create
at least one room.
Ajax app
3. Make sure that the hub is not armed, and it does not update by checking its
status in the Ajax app.
4. Connect Relay to 12 or 24 V power supply.
1. Click Add device in the Ajax app.
2. Name the device, scan it, or enter the QR code manually (located on the
case and packaging), select the room.

AJAX Relay Specifications

General

Actuating element	Electromagnetic relay
The service life of the relay	200, 000 switchings
Operating modes	Pulse and bistable
Pulse duration	0.5 to 255 seconds
Parameter control	Yes (voltage)
Supply voltage range	7 – 24 V (DC only)
Voltage protection	Yes, min — 6.5 V, max — 36.5 V
Maximum load current*	5 A at 36 V DC, 13 A at 230 V AC
Maximum current protection	No
Device energy consumption	Less than 1 W⋅h
Frequency band	868.0 – 868.6 MHz or 868.7 – 869.2 MHz depending on the region of sale
Effective radiated power	3.99 mW (6.01 dBm), limit — 25 mW
Modulation of the radio signal	GFSK
Maximum distance between the device and the Hub	Up to 1000 m (any obstacles absent)
Communication ping with the receiver	12 – 300 sec (36 sec default)
Compatibility	Operates only with all Ajax hubs, and range extenders
Shell protection rating	IP20
Operating temperature range	From 0°С to +64°С (ambient)
Max. temperature protection	Yes, over 65°C at the place of installation or over 85°C inside the Relay
Operating humidity	Up to 75%

Weight and Dimensions

Dimensions	39 × 33 × 18 mm
Weight	25 g