Shelly Plus 1

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Device identification

• Device name: Shelly Plus 1

• Device model: SNSW-001X16EU

• Device SSID: ShellyPlus1-XXXXXX

Short description

Shelly Plus 1 is a small form factor smart switch with potential-free contacts, which allows remote control of electric appliances through a mobile phone, tablet, PC, or home automation system. It can work standalone in a local Wi-Fi network or it can also be operated through cloud home automation services.

Shelly Plus 1 can be accessed, controlled and monitored remotely from any place where the User has internet connectivity, as long as the device is connected to a Wi-Fi router and the Internet.

It can be retrofitted into standard electrical wall boxes, behind power sockets and light switches or other places with limited space.

Shelly Plus 1 has embedded Web Interface which can be used to monitor and control the device, as well as adjust its settings.

Main applications

• Residential

• MDU (Multi Dwelling Units - apartments, condominiums, hotels, etc.)

• Light commercial (small office buildings, small retail/restaurant/gas station, etc.)

• Government/municipal

• University/college

Integrations

• Google

• Samsung SmartThings

• Alexa

Simplified internal schematics

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Device electrical interfaces

Inputs

• 1 switch/button input on screw terminal: SW

• 1 potential-free contacts relay input on screw terminal: I

• 3 power supply inputs on screw terminals: N (+), L (Ʇ) and 12V

Outputs

• 1 potential-free contacts relay output on screw terminal: O

Add-on interface

• Shelly proprietary serial interface

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⚠CAUTION! High voltage on the add-on interface when the Device is powered!

Connectivity

• Wi-Fi

• Bluetooth

Safety features

• Overheating protection

Supported load types

• Resistive (incandescent bulbs, heating devices)

• Capacitive (capacitor banks, electronic equipment, motor start capacitors)

• Inductive with RC Snubber (LED light drivers, transformers, fans, refrigerators, air-conditioners)

User interface

Inputs

One (control) button

• Press and hold for 5 seconds to enable Device access point and Bluetooth connection.

• Press and hold for 10 seconds to factory reset the Device.

Outputs

LED (red) indication

• AP (Access Point) enabled and Wi-Fi disabled:
  1 second ON / 1 second OFF

Visualization

• Wi-Fi enabled, but not connected to a Wi-Fi network:
  1 second ON / 3 seconds OFF

Visualization

• Connected to a Wi-Fi network:
  Constantly ON

Visualization

• Cloud enabled, but not connected:
  1 second ON /5 seconds OFF

Visualization

• Connected to Shelly Cloud:
  Constantly ON

Visualization

• OTA (Over the Air Update):
  ½ sec ON / ½ second OFF

Visualization

• Button pressed and held for 5 seconds:
  ½ second ON / ½ second OFF

Visualization

• Button presses and held for 10 seconds:
  ¼ second ON / ¼ second OFF

Visualization

The list above starts with the initial device status and the lowest priority. Every next state cancels the previous one.

Specifications

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Basic wiring diagrams

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Legend

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