Device identification
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Device name: Shelly 1
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Device model: SHSW-1
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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
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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 SmartThing
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Alexa
Simplified internal schematics
Device electrical interfaces
Inputs
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1 switch/button input on screw terminal
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1 potential-free contacts relay input on screw terminal
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2 power supply inputs on screw terminals: N (+) and L (-)
Outputs
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1 potential-free contacts relay output on screw terminal
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
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)
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 |
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| - | DC negative terminal |
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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
Installation guides