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What is Shelly i3?

The most intelligent device

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.

Features

  • No HUB required.
  • Wide range of voltage support.
  • Multi-click support – Up to 24 possible actions.
  • 3 AC inputs.
  • Designed to fit in most standard electrical boxes and switches.
  • It can be integrated to work with all other Shelly devices.
  • Compatible with Android, iOS, Amazon Alexa and home automation servers using MQTT, CoAP, and REST API.
  • Easily make your Arduino project live and usable in your automation project.

Specification

POWER
Power supply AC110–230V ±10%, 50/60Hz
Power supply DC24 – 60V
SPECIAL FUNCTIONS
Complex scenes controlActivate or deactivate synchronized actions of several Shelly devices
Overload protectionNo
Power measurementNo
Working without a neutral lineNo
FEATURES
Channels3 Channels
Operational temperature0 to +40 °C
Device power consumption< 1 W
Intelligent On/OffNo
Sunrise/SunsetNo
Weekly ScheduleNo
UL Listed optionNo
CONNECTIVITY
Wireless/WiFi Protocol802.11 b/g/n
Radiofrequency2400 – 2500 MHz
Rangeup to 50 m outdoors and up to 30 m indoors (depending on the building materials)
DIMENSIONS
Size40mm × 36mm × 10mm

Wiring diagrams

| Wiring Diagram 1 | Wiring Diagram 2 |