Shelly I3 WiFi Relay Switch

Shelly i3 WiFi Relay Switch


WiFi-operated action and scenes activation device


Command other connected Shelly relays

Command other connected Shelly relays, sensors, or HTTP, MQTT or CoAP controlled devices through discrete commands on the home network or scenes in the cloud

Intercepting the states of physical buttons

It is an actuator capable of intercepting the states of physical buttons and switches (up to three connected to it) and communicating these changes of state, via Wi-Fi, to home automation

In essence, connected to wall switches / buttons it can be used to operate scenarios defined at the Shelly app or via MQTT or other channels, towards personal HUBs

110-240 АC and 24-60V DC

It can be powered both 110-240 АC and 24-60V DC, supports up to 24 possible scenarios.

Smaller than a Shelly 1

It is a very small component - as Shelly tradition - to understand, it is slightly smaller than a Shelly 1




Product Details

Predefined effects
Activate or deactivate synchronized actions of several Shelly devices
Power supply AC
110-230V ±10%, 50/60Hz
Power supply DC
24 – 60V
Overload protection
Power measurement
3 Channels
Operational temperature
-10ºC to +40ºC
Device power consumption
lower then 1 W
Weekly Schedule
UL Listed option
Wireless/WiFi Protocol
802.11 b/g/n
Radio frequency
2400 – 2500 MHz
Radio signal power
up to 50 m outdoors and up to 30 m indoors (depending on the building materials)
40mm x 36mm x 10mm

About Allterco Robotics

Allterco Robotics is an innovative company founded in Bulgaria with the goal of making life easier for modern people. The company is devoted to the development of innovative IoT solutions and products. In two years only, our team of young talented developers, together with a strong sales team, built a whole new trend in Home Automation and in Wearable devices. The main development lines are the Smart localization devices MyKi, Home Automation products Shelly and a line of Health Care products - MyKi Care. 35 mobile operators worldwide gave their trust to our products, and the number is growing!

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