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Knowledge base

Everything you need to switch to a smart home easily and safely: a large library of written guides and videos to help your electrician install Shelly devices as safely as possible. The guides are in Hebrew.

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57 articles
November 11, 2026

Shelly and Matter: which devices support it and how to connect to each system

What Matter is and how to connect Shelly devices: which models support it (Gen4 and Gen3), enabling it, where to find the code, connecting to Apple…

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November 11, 2026

Connecting Shelly to Home Assistant: built-in integration, Matter or Zigbee

How to connect Shelly devices to Home Assistant: the local built-in integration, Matter, or Zigbee through ZHA and Zigbee2MQTT on Gen4 devices. A comparison, which route…

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November 2, 2026

Setting up a Shelly device: shutters, lighting and calibration

Your device is connected to the app? Now set it up for what it controls: a shutter, lights or a water heater. This guide covers the…

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November 17, 2024

The smart home app: an essential, central tool

 A smart home app is a central tool for managing and maintaining a smart home system. It lets you control and monitor every connected device, from…

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November 17, 2024

Hot water whenever it suits you, with a smart switch for your water heater

A recommended smart switch for your water heater: hot water whenever you want it A recommended smart switch for your water heater, or smart water heater…

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August 9, 2026

Setting electricity rates in the Shelly app

OZZI user guide OZZI · Smart home · Energy Setting electricity rates in the Shelly app This guide explains how to set your electricity rate in…

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October 8, 2026

Adding a new Shelly device to the app

OZZI user guide OZZI · Smart home · Installation Adding a new Shelly device to the app Once the device is installed and connected to power,…

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October 5, 2026

Transferring devices to another user's account

OZZI user guide OZZI · Smart home · Account management Transferring devices to another user's account Every Shelly device belongs to a single account. When you…

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October 5, 2026

Why a Shelly relay keeps resetting when it drives a contactor, and how a snubber fixes it

OZZI · Professional installation · Inductive loads Why a Shelly relay keeps resetting when it drives a contactor, and how a snubber fixes it Many electricians…

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October 5, 2026

Updating the firmware on a Shelly device

OZZI user guide OZZI · Smart home · Support Updating the firmware on a Shelly device Shelly releases new firmware versions from time to time, so…

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October 5, 2026

Resetting a Shelly device and reconnecting it to the app

OZZI user guide OZZI · Smart home · Support Resetting a Shelly device and reconnecting it to the app When a device won't connect to the…

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August 11, 2026

Connecting Shelly devices to smart assistants

OZZI · Smart home · Energy Connecting Shelly Gen4 devices to Google Home, Alexa and Apple Home Your devices are already installed and showing in the…

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November 17, 2024

Everything you wanted to ask and know about smart homes

Everyone around you is switching to a smart home, and you want one too? Then you'd probably like to understand how a smart home works, how…

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November 17, 2024

It's time to move up to a smart office

In recent years, more and more Israeli businesses have been moving to smart offices, as smart technologies keep evolving and offering solutions that streamline office management…

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January 10, 2024

The complete guide to installing an advanced Shelly smart home

To download the complete guide to installing a Shelly smart home, click here   The complete guide to installing an advanced smart home with    …

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July 24, 2024

Smart energy meter: the Israel Electric Corporation's, or your own?

Search for "smart energy meter" and you'll find two completely different things: The Israel Electric Corporation (IEC) smart meter: the meter in the meter cabinet outside.…

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July 24, 2024

A smart home that's within everyone's reach

Smart home electrical technology is becoming more available and accessible. Smart home systems used to be complicated and expensive to install, but thanks to the Shelly…

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November 10, 2023

What you need to know about planning a smart home

Recent advances in technology have made a smart home a realistic option for every family. Put simply, it's a home where you can control your electrical…

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November 10, 2023

Wireless smart home

Wireless smart home systems: the smart choice for the modern home Not so long ago, a smart home was the stuff of science fiction. Then it…

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August 25, 2022

Home network guide: a smart home without dropouts

A typical home router handles ten to twenty devices: phones, computers and TVs. A smart home adds dozens more: switches, shutters, the water heater, the energy…

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August 21, 2023

7 reasons Shelly Cloud beats the competition

In smart home technology, one name stands out as an example of excellence: Shelly Cloud. When businesses and homeowners look for reliable, efficient and innovative smart…

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January 25, 2022

Connecting a Shelly 2.5 to a roller shutter

Connecting a Shelly 2.5 to a 220 V roller shutter or venetian blind Setup: Shutter control settings: in the app, tap the device you want to…

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November 22, 2022

Connecting a Shelly 2PM Gen4 to a roller shutter

Connecting a Shelly 2PM Gen4 to a 220 V roller shutter, venetian blind or curtain Setup: Shutter control settings: in the app, tap the device you…

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May 31, 2022

Connecting a Shelly Plus 1 to a water heater

Connecting a Shelly Plus 1 to an electric water heater Setup: Water heater control settings: in the app, tap the device you want to configure >…

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February 17, 2025

Connecting the Shelly 1PM Mini smart relay

Connecting the Shelly 1PM Mini to an appliance Setup: In the app, open the device you want to set up > Settings > Settings: Power On…

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February 17, 2025

Connecting the Shelly 1 Mini smart relay as a dry contact

Connecting the Shelly 1 Mini as a dry contact Setup: In the app, open the device you want to set up > Settings > Settings: Power…

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February 17, 2025

Connecting the Shelly 1 Mini smart relay

Connecting the Shelly 1 Mini to an appliance Setup: In the app, open the device you want to set up > Settings > Settings: Power On…

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May 29, 2022

Connecting a Shelly Plus 1PM to a water heater

Connecting a Shelly Plus 1PM to an electric water heater Setup: Water heater control settings: in the app, tap the device you want to configure >…

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January 25, 2022

Connecting a Shelly 1PM to a water heater

Connecting a Shelly 1PM to an electric water heater Setup: Water heater control settings: in the app, tap the device you want to configure > Settings…

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July 30, 2021

Guide to direct communication between Shelly devices

ddd_communicationDownload ***Important: give the devices static IP addresses so they can communicate directly with each other. Enjoy your Shelly!

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January 20, 2022

Wiring a Shelly 3EM energy meter to three circuits fed from a single phase

Wiring for three circuits fed from a single phase O and I are the dry contact input and output. N: neutral, marked blue in Israel. VA,…

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January 24, 2022

Wiring a Shelly 3EM energy meter to a 3-phase supply

Wiring for three circuits fed from three phases O and I are the dry contact input and output. N: neutral, marked blue in Israel. VA, VB,…

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January 24, 2022

Wiring a Shelly 3EM energy meter to two phases

Wiring for two circuits fed from two phases O and I are the dry contact input and output. N: neutral, marked blue in Israel. VA, VB:…

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May 31, 2022

Connecting a Shelly Plus 1 to a power outlet for outlet control

Connecting a Shelly Plus 1 to a power outlet. Setup: Outlet control settings: in the app, tap the device you want to configure > Settings >…

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May 29, 2022

Connecting a Shelly Plus 1PM to a power outlet for outlet control

Connecting a Shelly 1PM to a power outlet. Setup: Outlet control settings: in the app, tap the device you want to configure > Settings > Settings:…

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January 16, 2022

How to connect the LockApp Hub to the Shelly and Rav-Bariach apps

Bought a LockApp Hub? We'll help you set up your smart lock in the Rav-Bariach and Shelly apps :) This guide explains step by step how…

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January 25, 2022

Connecting a Shelly 1PM to a power outlet

Connecting a Shelly 1PM to a power outlet. Setup: Outlet control settings: in the app, tap the device you want to configure > Settings > Settings:…

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September 12, 2022

Connecting a Shelly 1L to lighting or an appliance

Connecting a Shelly 1L to any 220 V load Setup: Note: a bypass is required for bulbs rated under 20 W. To configure it, tap the…

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November 24, 2022

Connecting a Shelly Plus 2PM to lighting

Connecting a Shelly Plus 2PM to two 220 V light switches Setup: Lighting control settings: in the app, tap the device you want to configure >…

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January 25, 2022

Connecting a Shelly 2.5 to lighting

Connecting a Shelly 2.5 to two 220 V light switches Setup: Lighting control settings: in the app, tap the device you want to configure > Settings…

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January 24, 2022

Connecting a Shelly 1L to a two-way switch

Connecting a Shelly 1L to a two-way switch. This connection uses the existing wiring of any standard two-way switch, with no need to pull additional cable.…

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November 24, 2022

Connecting a Shelly Plus 2PM to a two-way switch

Connecting a Shelly Plus 2PM to a two-way switch Setup: Settings: in the app, tap the device you want to configure > Settings > Settings: Mode:…

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January 25, 2022

Connecting a Shelly 2.5 to a two-way switch

Connecting a Shelly 2.5 to a two-way switch Setup: Settings: in the app, tap the device you want to configure > Settings > Settings: Mode: choose…

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May 29, 2022

Connecting a Shelly Plus 1PM with a two-way switch

Connecting a Shelly Plus 1PM to a two-way switch Setup: Lighting control settings: in the app, tap the device you want to configure > Settings >…

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May 31, 2022

Connecting a Shelly Plus 1 with a two-way switch

Connecting a Shelly Plus 1 to a two-way switch Setup: Lighting control settings: in the app, tap the device you want to configure > Settings >…

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January 25, 2022

Connecting a Shelly 1PM to a two-way switch

Connecting a Shelly 1PM to a two-way switch Setup: Settings: in the app, tap the device you want to configure > Settings > Settings: Mode: choose…

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January 25, 2022

Connecting a Shelly 1PM to lighting or an appliance

Connecting a Shelly 1PM to lighting or an electrical appliance Setup: Lighting control settings: in the app, tap the device you want to configure > Settings…

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May 31, 2022

Connecting a Shelly Plus 1PM to lighting

Connecting a Shelly Plus 1PM to lighting or an electrical appliance Setup: Lighting control settings: in the app, tap the device you want to configure >…

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January 30, 2024

Connecting a Shelly Plus 1 to an electric valve

Connecting a Shelly Plus 1 to an electric valve Setup: Settings for dry-contact control: in the app, open the device you want to set up >…

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May 31, 2022

Connecting a Shelly Plus 1 to a 12 V DC supply

Connecting a Shelly Plus 1 to a 12 V DC supply Setup: Dry contact control settings: in the app, tap the device you want to configure…

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May 31, 2022

Connecting a Shelly Plus 1 to a 24 to 60 V DC supply

Connecting a Shelly Plus 1 to a 24 to 60 V DC supply Setup: Dry contact control settings: in the app, tap the device you want…

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May 31, 2022

Connecting a Shelly Plus 1 to a "dry contact"

Connecting a Shelly Plus 1 to a dry contact Setup: Dry contact control settings: in the app, tap the device you want to configure > Settings…

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May 31, 2022

Connecting a Shelly Plus 1 to lighting

Connecting a Shelly Plus 1 to lighting or an electrical appliance Setup: Lighting control settings: in the app, tap the device you want to configure >…

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March 18, 2021

A smart home for Shabbat: a separate Shabbat timer for every switch

A regular Shabbat timer in the electrical panel switches the lights on and off all together: the whole circuit, at the same time. In a home…

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September 20, 2014

How to prevent flooding at home

Ever come home to find the place flooded? I have, and it's no fun!  Here's a simple way to stop it from happening. First, place Shelly…

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September 7, 2014

Too hot or not warm enough?

When you heat a room with a radiator, you can't set an exact temperature the way you can with an air conditioner. In a bedroom that's…

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September 30, 2020

Why did DIY communities embrace Shelly so quickly?

From the moment Shelly released its first product, the Shelly 1, the community of developers who love smart homes, in Israel and around the world, jumped…

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