Device identification
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Device name: Shelly Plus 1
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Device model: SNSW-001X16EU
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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
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Residential
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MDU (Multi Dwelling Units - apartments, condominiums, hotels, etc.)
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Light commercial (small office buildings, small retail/restaurant/gas station, etc.)
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Government/municipal
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University/college
Integrations
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Google
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Samsung SmartThings
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Alexa
Simplified internal schematics
Device electrical interfaces
Inputs
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1 switch/button input on screw terminal: SW
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1 potential-free contacts relay input on screw terminal: I
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3 power supply inputs on screw terminals: N (+), L (Ʇ) and 12V
Outputs
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1 potential-free contacts relay output on screw terminal: O
Add-on interface
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Shelly proprietary serial interface
⚠CAUTION! High voltage on the add-on interface when the Device is powered!
Connectivity
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Wi-Fi
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Bluetooth
Safety features
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Overheating protection
Supported load types
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Resistive (incandescent bulbs, heating devices)
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Capacitive (capacitor banks, electronic equipment, motor start capacitors)
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Inductive with RC Snubber (LED light drivers, transformers, fans, refrigerators, air-conditioners)
User interface
Inputs
One (control) button
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Press and hold for 5 seconds to enable Device access point and Bluetooth connection.
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Press and hold for 10 seconds to factory reset the Device.
Outputs
LED (red) indication
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AP (Access Point) enabled and Wi-Fi disabled:
1 secondON/ 1 secondOFF
Visualization
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Wi-Fi enabled, but not connected to a Wi-Fi network:
1 secondON/ 3 secondsOFF
Visualization
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Connected to a Wi-Fi network:
ConstantlyON
Visualization
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Cloud enabled, but not connected:
1 secondON/5 secondsOFF
Visualization
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Connected to Shelly Cloud:
ConstantlyON
Visualization
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OTA (Over the Air Update):
½ secON/ ½ secondOFF
Visualization
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Button pressed and held for 5 seconds:
½ secondON/ ½ secondOFF
Visualization
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Button presses and held for 10 seconds:
¼ secondON/ ¼ secondOFF
Visualization
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 |
| Bluetooth Protocol: | 4.2 |
| Bluetooth Range: | Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors |
| 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
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 |
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| + | 24 - 48 VDC positive terminal |
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| Ʇ | 12 / 24 - 48 VDC ground terminal | | |
Web Interface guide
Read the Shelly Plus 1 web interface guide
Components and APIs
Printed user guide
Compliance
Installation guides
