Shelly 1L

Device identification

  • Device name: Shelly 1L

  • Device model: SHSW-L

  • Device SSID: shelly1l-XXXXXX

Short description

Shelly 1L is a small smart relay, 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

  • 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

  • Alexa

Simplified internal schematics

Shelly 1L internal schematics

Device electrical interfaces

Inputs

  • 2 switch/button inputs on screw terminals

  • 2 power supply inputs on screw terminals: N and L

Outputs

  • 2 switch signal output on screw terminal

  • Load output on screw terminal

Addon interface

  • Shelly proprietary serial interface

Shelly 1L addon interface

⚠CAUTION! High voltage on the add-on interface when the Device is powered!

Connectivity

  • Wi-Fi

Safety features

  • Overheating protection

Supported load types

(with and without Neutral)

  • 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 (Reset) button

    • Press and hold for 5 seconds to enable Device access point.

    • Press and hold for 10 seconds to factory reset the Device.

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

Temperature sensor:

Yes

Radio

Wi-Fi

Protocol:

802.11 b/g/n

Frequency:

2412 - 2472 МHz (Max. 2484 MHz)

Max. RF output power:

12.24 dBm

Range:

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

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

Shelly 1L wiring with Neutral

Shelly 1L wiring with Neutral

Shelly 1L wiring without Neutral

Shelly 1L wiring without Neutral

Legend

Terminals

Cables

SW1

Switch 1 input terminal

L

Live (110 - 240 VAC) cable

SW2

Switch 2 input terminal

N

Neutral cable

Sx

Switch signal output terminal

N

Neutral terminal

L

Live (110-240 V) terminal

O

Load output terminal

Troubleshooting

...

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

Declaration of conformity EN

Installation guides