---
product_id: 604996448
title: "Shelly Pro 3EM Switch Add-On | Add-On Pro 3EM Dry Contacts DIN Rail Mounting | Home Automation | iOS Android app | No Hub Required | Solar Panels | Wind Turbines"
brand: "shelly"
price: "€ 59.99"
currency: EUR
in_stock: true
category: "Shelly"
url: https://www.desertcart.pt/products/604996448-shelly-pro-3em-switch-add-on-add-on-pro-3em
store_origin: PT
region: Portugal
---

# 3-phase energy monitoring App-based remote management Dry contact switch control Shelly Pro 3EM Switch Add-On | Add-On Pro 3EM Dry Contacts DIN Rail Mounting | Home Automation | iOS Android app | No Hub Required | Solar Panels | Wind Turbines

**Brand:** shelly
**Price:** € 59.99
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your smart home with precision and eco-savvy control!

## Quick Answers

- **What is this?** Shelly Pro 3EM Switch Add-On | Add-On Pro 3EM Dry Contacts DIN Rail Mounting | Home Automation | iOS Android app | No Hub Required | Solar Panels | Wind Turbines by shelly
- **How much does it cost?** € 59.99 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/604996448-shelly-pro-3em-switch-add-on-add-on-pro-3em)

## Best For

- shelly enthusiasts

## Why This Product

- Trusted shelly brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Hub-Free Automation:** Control everything effortlessly via iOS/Android app—no extra hub needed.
- • **PV System Balancing:** Turn surplus green energy into action by powering appliances like EV chargers or water heaters.
- • **Smart Load Shedding:** Automatically optimize energy use from solar and wind sources to cut waste and costs.
- • **Rock-Solid Reliability:** Backed by a 5-year warranty and trusted Shelly customer support for peace of mind.
- • **Seamless Energy Mastery:** Extend your Shelly Pro 3EM with isolated dry contacts for ultimate device control.

## Overview

The Shelly Pro 3EM Switch Add-On is a DIN rail-mounted, electrically isolated dry contact switch designed to expand the capabilities of the Shelly Pro 3EM energy meter. It enables advanced load shedding and PV system balancing by controlling contactors and electrical devices based on real-time energy data from solar panels and wind turbines. Compatible with iOS and Android apps, it requires no hub and comes with a 5-year warranty, making it a reliable choice for professional-grade home and industrial energy automation.

## Description

desertcart.com: Shelly Pro 3EM Switch Add-On | Add-On Pro 3EM Dry Contacts DIN Rail Mounting | Home Automation | iOS Android app | No Hub Required | Solar Panels | Wind Turbines : Industrial & Scientific

## Features

- The Shelly Pro 3EM Switch Add-On is an add-on for Shelly Pro 3EM. An electrically isolated switch that extends the functions of your Shelly Pro 3EM device. With this add-on, you can easily control contactors and other electrical devices, giving you more flexibility and control over your consumption.
- Load shedding - Keep track of how much energy your solar panels and wind turbines are generating and save effortlessly by controlling your consumption with the Shelly Pro 3EM add-on. Connect the Shelly Pro add-on to your devices and use Shelly Pro 3EM's real-time information on how much energy has been generated and consumed. When you need to save energy.
- PV system balancing - If your PV system is producing more energy than your home is consuming, the Shelly Pro 3EM add-on can automatically activate devices to use it. For example, you can set it to turn on your water heater, electric vehicle charging station or other energy-intensive appliances.
- Shelly Customer Service - Shelly is one of the fastest-growing IoT brands in the world with devices, providing solutions for the automation of private homes, buildings and businesses. We provide our customers with professional support and a 5 years device warranty.
- Shelly Smart Control App will help you control your Shelly devices remotely and will send notifications for all automated events in your home. You can easily configure devices and manage their settings individually, or you can create personalized scenes by combining Shelly devices to trigger certain actions in your home automation.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0C718B37C |
| Best Sellers Rank | #29,071 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #5 in Industrial Power Meters |
| Brand Name | Shelly |
| Customer Reviews | 4.6 4.6 out of 5 stars (92) |
| EU Spare Part Availability Duration | 5 years |
| Global Trade Identification Number | 03800235268131 |
| Included Components | 1 pack |
| Item Dimensions | 3.7 x 0.75 x 2.72 inches |
| Item Weight | 20 g |
| Manufacturer | Shelly Europe |
| Material Type | Plastic |
| Model | Shelly_Pro_Add |
| Number of Items | 1 |
| Part Number | 3800235268131 |
| Unit Count | 1 Count |
| Warranty Description | 5 year manufacturer |

## Product Details

- **Brand:** Shelly
- **EU Spare Part Availability Duration:** 5 years
- **Item Weight:** 20 g
- **Item dimensions L x W x H:** 3.7 x 0.75 x 2.72 inches
- **Material:** Plastic

## Images

![Shelly Pro 3EM Switch Add-On | Add-On Pro 3EM Dry Contacts DIN Rail Mounting | Home Automation | iOS Android app | No Hub Required | Solar Panels | Wind Turbines - Image 1](https://m.media-amazon.com/images/I/714nLkRns4L.jpg)

## Available Options

This product comes in different **Size** options.

## Frequently Bought Together

- Shelly Pro 3EM Switch Add-On | Add-On Pro 3EM Dry Contacts DIN Rail Mounting | Home Automation | iOS Android app | No Hub Required | Solar Panels | Wind Turbines
- Shelly Pro EM 50A | Wi-Fi & LAN Energy Meter with Contactor Control | DIN-Rail | Home Automation | Bluetooth Gateway | Compatible with Alexa & Google Home | No Hub Required | Power Monitoring
- Shelly H&T Gen3 White | Wi-Fi & Bluetooth Smart Temperature & Humidity Sensor with Remote App Control | Smart Scenes | LCD Display

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**Shop now:** [https://www.desertcart.pt/products/604996448-shelly-pro-3em-switch-add-on-add-on-pro-3em](https://www.desertcart.pt/products/604996448-shelly-pro-3em-switch-add-on-add-on-pro-3em)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-09-08*