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SHELLY - WiFi-operated action and scenes activation module Shelly i3
  • SHELLY - WiFi-operated action and scenes activation module Shelly i3

SHELLY - WiFi-operated action and scenes activation module Shelly i3


The smallest Wi-Fi action and scenes activation devices in the world !

This product is no longer available for sale


Shelly i3 has no relays but is small enough to be installed virtually anywhere and shows the status of 3 inputs. The device is in one of the switches and can command other connected Shelly relays, sensors, or HTTP, MQTT or CoAP controlled devices. Opportunities are endless through discrete commands on the home network or scenes in the cloud.

Shelly i3 supports up to 8 different actions per button. They can control different devices directly or through cloud scenes. One-click can turn on/off the light, and two clicks can turn on/off the fan, a long push of the switch button can trigger a whole scene. Possibilities are countless.

No additional controller

Shelly i3 uses your home WiFi network, no additional controllers are needed.

Multi-click support

Up to 24 possible actions. Control the lights, shut the blinds and open the door. Run any Shelly device and scenes you desire.

3 AC inputs

Shelly i3 has three inputs for every situation. You can create scenes in the Shelly Cloud app and command them all.

Free Cloud

All you need to manage your Shelly devices is a smartphone and the Shelly Cloud application.

Support 100-240V~ 50/60Hz

Shelly i3 is compatible with all major international voltage standards.

Complex scenes control

With Shelly i3 you can run synchronized actions of several Shelly devices. With one push you can have the lighting in the whole house turned on/off.


  • Control through WiFi from a mobile phone, PC, automation system or any other device supporting HTTP and/or UDP protocol
  • Microprocessor management
  • 3 inputs for push button
  • Up to 8 actions per button
  • Activate or deactivate synchronized actions of several Shelly devices
  • Compatible with Google Home and Amazon Echo
  • Power supply:
    • 110-240V ±10% 50/60Hz AC
    • 24-60V DC
  • Electrical consumption: <1 W
  • Radio signal power: 1mW
  • Wireless/WiFi Protocol: 802.11 b/g/n (2.4 GHz)
  • Frequency: 2400 – 2484 MHz
  • Operational range (depending on local construction):
    • up to 50 m outdoors
    • up to 30 m indoors
  • Working temperature: 0 – 40°C
  • Dimensions (HxWxL): 40 x 36 x 10 mm
  • Complies with EU standards:
    • RE Directive 2014/53/EU
    • LVD 2014/35/EU
    • EMC 2004/108/WE
    • RoHS2 2011/65/UE

Data sheet

Power Supply
Main power