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Shelly Plus 1

Shelly Plus 1

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

Shelly Plus 1 internal schematics

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

Shelly Plus 1 addon interface

⚠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
LED-1000-1000.gif

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

Visualization
LED-500-1500.gif

  • Connected to a Wi-Fi network:
    Constantly ON

Visualization
LED-On.gif

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

Visualization
LED-1500-500.gif

  • Connected to Shelly Cloud:
    Constantly ON

Visualization
LED-On.gif

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

Visualization
LED-500-500.gif

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

Visualization
LED-250-250.gif

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

Visualization
LED-125-125.gif

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

Specifications

Type

Value

Physical

Size (HxWxD):

37x42x16 ±0.5 mm / 1.46x1.65x0.63 ±0.02 in

Weight:

26 g / 0.92 oz

Mounting:

Wall console

Screw terminals max torque:

0.4 Nm / 3.5 lbin

Conductor cross section:

0.5 to 1.5 mm² / 20 to 16 AWG

Conductor stripped length:

5 to 6 mm / 0.20 to 0.24 in

Shell material:

Plastic

Color:

Blue

Environmental

Ambient temperature:

-20 °C to 40 °C / -5 °F to 105 °F

Humidity

30 % to 70 % RH

Max. altitude

2000 m / 6562 ft

Electrical

Power supply:

110 - 240 VAC / 24 - 48 VDC / 12 VDC ±10%

Power consumption:

< 1.2 W

Output circuits ratings

Max switching voltage AC:

240 V

Max switching voltage DC:

30 V

Max switching current AC:

16 A

Max switching current DC:

10 A

Sensors, meters

Internal-temperature sensor:

Yes

Radio

RF band:

2400 - 2495 MHz

Max. RF power:

<20 dBm

Wi-Fi protocol:

802.11 b/g/n

Wi-Fi Range:

Up to 30 m / 100 ft indoors and 50 m / 160 ft outdoors
(Depends on local conditions)

Bluetooth Protocol:

4.2

Bluetooth Range:

Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors
(Depends on local conditions)

MCU

CPU:

ESP32-U4WDH

Flash:

4 MB

Firmware capabilities

Schedules:

20

Webhooks (URL actions):

20 with 5 URLs per hook

Scripting:

Yes

MQTT:

Yes

CoAP:

No

Basic wiring diagrams

Plus 1 AC wiring diagram-20240528-135400.png

110-240 VAC power supply

Resistive load
Plus 1 AC RC Snubber wiring diagram-20240528-135559.png

110-240 VAC power supply

Inductive load and RC snubber
Plus 1 DC wiring diagram-20240528-135114.png

24-48 VDC power supply

Resistive load
Plus 1 DC RC Snubber wiring diagram-20240530-093321.png

24-48 VDC power supply

Inductive load and RC snubber
Plus 1 12 V wiring diagram-20240528-135011.png

12 VDC stabilized power supply

Resistive load
Plus 1-12V-RC-Snubber-wiring-diagram.png


12 VDC stabilized power supply

Inductive load and RC snubber

Legend

Terminals


Wires


I

Load circuit input terminal

L

Live (110 - 240 VAC) wire

O

Load circuit output terminal

N

Neutral wire

SW

Switch (controlling O) input terminal

+

12 / 24 - 48 VDC positive wire

+12V

12 VDC positive terminal

GND

12 / 24 - 48 VDC ground wire

L

Live (110-240 VAC) terminal



N

Neutral terminal

 

 

+

24 - 48 VDC positive terminal

 

 

Ʇ

12 / 24 - 48 VDC ground terminal



Troubleshooting

...

Web Interface guide

Read the Shelly Plus 1 web interface guide

Components and APIs

Printed user guide

Compliance

Installation guides