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Device identification
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Device name: Shelly 1L
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Device model: SHSW-L
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Device SSID: shelly1l-XXXXXX
Short description
Shelly 1L is a small smart switch, which handles the problem of many light switches being difficult to automate, because they can operate without Neutral. Shelly 1L solves this problem, because it only needs the hot line. The device allows remote control of the appliance connected to it 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 1L 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 1L 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 SmartThings
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Alexa
Simplified internal schematics
Device electrical interfaces
Inputs
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2 switch/button inputs on screw terminals
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2 power supply inputs on screw terminals: N and L
Outputs
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2 switch signal output on screw terminal
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Load 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
Safety features
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Overheating protection
Supported load types
(with and without Neutral)
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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
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One (Reset) button
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Press and hold for 5 seconds to enable Device access point.
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Press and hold for 10 seconds to factory reset the Device.
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Specifications
| Type | Value |
|---|---|
| Physical | |
| Size (HxWxD): | 38x43x14 ±0.5 mm / 1.50x1.69x3.55 ±0.02 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: | Cyan |
| 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 AC: | 110 - 240V, 50/60Hz |
| Power supply DC: | No |
| Neutral not needed: | Yes |
| Min. load without neutral | 20 W resistive load |
| Power consumption: | < 1 W |
| Output circuits ratings | |
| Max switching voltage AC: | 250 V |
| Max switching voltage DC: | N/A |
| Max switching current AC: | 4.1 A (5 A peak) |
| Max switching current DC: | N/A |
| Sensors, meters | |
| Internal-temperature sensor: | Yes |
| 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): | 10 with 5 URLs per hook |
| Scripting: | No |
| MQTT: | Yes |
| CoAP: | Yes |
Basic wiring diagrams
Legend
| Terminals | | Wires | |
|---|---|---|---|
| SW1 | Switch 1 input terminal | L | Live (110 - 240 VAC) wire |
| SW2 | Switch 2 input terminal | N | Neutral wire |
| Sx | Switch signal output terminal | | |
| N | Neutral terminal | | |
| L | Live (110-240 V) terminal | | |
| O | Load output terminal | | |
Web Interface guide
Read the Shelly 1L web interface guide
Components and APIs
Printed User Guide
Download printed user guide - English, Deutsch, Italiano, Español, Português, Français
Compliance
Installation guides
