Shelly 1
Device identification
Device name: Shelly 1
Device model: SHSW-1
Device SSID: shelly1-XXXXXX
Short description
Shelly 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 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 1 has an 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 SmartThing
Alexa
Simplified internal schematics
Device electrical interfaces
Inputs
1 switch/button input on screw terminal
1 potential-free contacts relay input on screw terminal
2 power supply inputs on screw terminals: N (+) and L (-)
Outputs
1 potential-free contacts relay output on screw terminal
Add-on interface
Shelly proprietary serial interface
⚠CAUTION! High voltage on the add-on interface when the Device is powered!
Connectivity
Wi-Fi
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)
Specifications
Type | Value |
|---|---|
Physical | |
Size (HxWxD): | 36x41x17 mm / 1.42x1.61x0.67 in |
Weight: | |
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 - 60 VDC / 12 VDC ±10% |
Power consumption: | < 1 W |
Output circuits ratings | |
Max switching voltage AC: | 250 V |
Max switching voltage DC: | 60 V |
Max switching current AC: | 16 A |
Max switching current DC: | 10 A |
Radio | |
RF band: | 2401 - 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 |
MCU | |
CPU: | ESP8266 |
Flash: | 2 MB |
Firmware capabilities | |
Schedules: | 18 |
Webhooks (URL actions): | 6 with 5 URLs per hook |
Scripting: | No |
MQTT: | Yes |
CoAP: | Yes |
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 - 60 VDC positive wire |
L | Live (110-240 V) terminal | - | Negative wire |
N | Neutral terminal | ||
+ | DC positive terminal |
|
|
- | DC negative terminal |
|
|
Troubleshooting
...
Web Interface guide
Read the Shelly 1 web interface guide
Components and APIs
Printed User Guide
Printed user guide - English, Deutsch, Italiano, Español, Português, Français
Compliance
Shelly 1 multilingual EU declaration of conformity.pdf