Shelly Plus 1 Relay Switch-Gen 2

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Next Generation WiFi relay switch, 1 channel 16A

Enhanced safety & security

Safety is our top priority! That is why we made sure that Shelly Plus line has enhanced safety by adding temperature sensing software thresholds for control and prevention of failures. Devices' firmware now supports more encryption modes and secure storage. To improve security, we supplemented MQTT and WSS support, as well as custom certificates support for a broad range of use cases. You can now use devices with your one local or a centralized server, keeping them fully isolated from the public Internet.

Improved integration

Create the smart home of your dreams even easier with Shelly Plus line thanks to an improved API interface and standardized RPC, allowing a broad range of cloud-connected and local integrations for a much lower cost for implementation! Now, you can extend your Shelly devices functionalities and customize your smart home automation with a specific integration even faster thanks to Shelly Plus’ scripting support for enhanced flexibility.  Click here for Shelly Plus 1 installation video.


Control wide range of home appliances and office equipment (lights, power lines, security systems, heating radiators, air conditioners, etc.) from anywhere with the smallest WiFi relay switch, with Bluetooth connection  

  • WiFi - Connects to your WiFi network. No HUB required!
  • Bluetooth - Add devices quick and easy via Bluetooth connection, using Shelly Cloud App
  • Dry contacts
  • Low voltage support
  • Extremely fast processor – ESP32
  • Enhanced safety - Over-temperature protection
  • Enhanced security - MQTT and WSS support, TLS and custom certificates support
  • Improved API interface


Power supply AC 110-230V ±10%, 50/60Hz
Maximum load 16A
Power supply DC 24 – 240V / 12V stabilized
Channels 1 Channel
Dry contacts Yes
Roller shutter mode No
Device temperature protection Yes
Overload protection No
Power measurement No
Working without a neutral line No
HTTP/HTTPS webhooks Yes
Custom scripts (mJs) Yes
Operational temperature -20°C to + 40 °C
Device power consumption < 1 W
Intelligent On/Off Yes
Local and remote control Yes
Sunrise/Sunset Yes
Weekly Schedule Yes
UL Listed option No
Wireless Yes
Wi-Fi Protocol 802.11 b/g/n
Wi-Fi Radio frequency 2412 - 2484 MHz
Wi-Fi Radio signal power 1mW
Wi-Fi Range up to 50 m outdoors and up to 30 m indoors (depending on the building materials)
Bluetooth Yes
Size 42 x 38 x 17mm
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