--- product_id: 630476599 title: "Shelly Pro 3EM Switch Add-on | Switch Accessory Pro 3EM | Dry Contacts | DIN Rail Mount | Contactors & Photovoltaics Control | Alexa & Google Home | iOS Android App" brand: "shelly" price: "COP 86158" currency: COP in_stock: false reviews_count: 5 url: https://www.desertcart.co/products/630476599-shelly-pro-3em-switch-add-on-switch-accessory-pro-3em store_origin: CO region: Colombia --- # 2A switching capacity Full app & voice assistant control Galvanic insulated switch Shelly Pro 3EM Switch Add-on | Switch Accessory Pro 3EM | Dry Contacts | DIN Rail Mount | Contactors & Photovoltaics Control | Alexa & Google Home | iOS Android App **Brand:** shelly **Price:** COP 86158 **Availability:** ❌ Out of Stock ## Summary > ⚡ Power up your smart home control with precision and style! ## Quick Answers - **What is this?** Shelly Pro 3EM Switch Add-on | Switch Accessory Pro 3EM | Dry Contacts | DIN Rail Mount | Contactors & Photovoltaics Control | Alexa & Google Home | iOS Android App by shelly - **How much does it cost?** COP 86158 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.co](https://www.desertcart.co/products/630476599-shelly-pro-3em-switch-add-on-switch-accessory-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 - • **Smart Power Shedding:** Automatically cut off non-essential loads to optimize solar & wind energy use and save costs. - • **Unified Smart Control:** Manage all connected devices remotely via Shelly app, Alexa, or Google Home with instant notifications. - • **Compact DIN Rail Design:** Space-saving 1 TE footprint fits neatly into your electrical panel for effortless integration. - • **Seamless Energy Command:** Extend your Shelly Pro 3EM with a galvanic insulated switch for precise device control. - • **Weather-Adaptive Automation:** Pre-program weather scripts to adjust heating and devices before temperature changes hit. ## Overview The Shelly Pro 3EM Switch Add-On is a galvanic insulated accessory designed exclusively for the Shelly Pro 3EM system. It enables smart control of contactors and electrical devices with a 2A switching capacity, ideal for managing energy consumption from renewable sources. Featuring DIN rail mounting and full integration with Alexa, Google Home, and the Shelly app, it empowers users to automate power shedding and weather-based device control, all backed by Shelly’s professional support and 5-year warranty. ## Description Add-on Accessory for Shelly Pro 3EM This is a galvanic insulated switch designed to extend the capabilities of your Shelly Pro 3EM. This accessory allows you to control contactors and other electrical appliances, giving you greater flexibility and better control over your consumption. Potential Free Contacts DIN Rail Mount *Compatible with Shelly Pro 3EM only! Review: Toll - Tut was es soll, misst meine Leistung, rechnet sogar Blind und Scheinleistung aus automatisch. Sehr nice 👍 Review: Produit conforme - . ## Features - Shelly Pro 3EM Switch Add-On is a galvanic insulated switch whose role is to turn off the capabilities of Shelly Pro 3EM; Take control of contactors and other electrical devices and manage your consumption better - Power Shedding: Use Shelly Pro 3EM Switch Add-On to control energy consumption by your solar and wind panels and save money; Connected to Shelly Pro 3EM, your add-on can automatically turn off non-essential devices in your household - Weather Control: Activate weather scripts and control your devices in compliance; Program Shelly Pro 3EM Add-On to automatically turn off heating, anticipating temperature rises - Shelly Customer Service: Shelly is one of the growing Smart Home brands; Shelly devices offer automation solutions for smart home, commercial buildings and businesses, accompanied by professional support and 5-year warranty - The Shelly Smart Control app helps you control your Shelly devices remotely and sends you notifications for all automated events at home; You can easily configure your devices and manage their settings individually or create custom scenes by combining Shelly devices to trigger pre-defined actions in your home automation system ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0C718B37C | | Brand | Shelly | | Brand Name | Shelly | | Colour | white | | Customer Reviews | 4.6 out of 5 stars 66 Reviews | | Global Trade Identification Number | 03800235268131 | | International Protection Rating | IP00 | | Item Dimensions | 9.4 x 1.9 x 6.9 Centimeters | | Item Weight | 20 Grams | | Item dimensions L x W x H | 9.4 x 1.9 x 6.9 Centimeters | | Manufacturer | Shelly | | Model Number | 3800235268131 | | Net Quantity | 1.0 Count | | Number of Items | 1 | | Part Number | Shelly_Pro_Add | | Unit Count | 1.0 Count | | Wattage | 1 | ## Images ![Shelly Pro 3EM Switch Add-on | Switch Accessory Pro 3EM | Dry Contacts | DIN Rail Mount | Contactors & Photovoltaics Control | Alexa & Google Home | iOS Android App - Image 1](https://m.media-amazon.com/images/I/714nLkRns4L.jpg) ![Shelly Pro 3EM Switch Add-on | Switch Accessory Pro 3EM | Dry Contacts | DIN Rail Mount | Contactors & Photovoltaics Control | Alexa & Google Home | iOS Android App - Image 2](https://m.media-amazon.com/images/I/81iq0IO6iOL.jpg) ![Shelly Pro 3EM Switch Add-on | Switch Accessory Pro 3EM | Dry Contacts | DIN Rail Mount | Contactors & Photovoltaics Control | Alexa & Google Home | iOS Android App - Image 3](https://m.media-amazon.com/images/I/71BO1pq3ehL.jpg) ![Shelly Pro 3EM Switch Add-on | Switch Accessory Pro 3EM | Dry Contacts | DIN Rail Mount | Contactors & Photovoltaics Control | Alexa & Google Home | iOS Android App - Image 4](https://m.media-amazon.com/images/I/8190vflWwTL.jpg) ![Shelly Pro 3EM Switch Add-on | Switch Accessory Pro 3EM | Dry Contacts | DIN Rail Mount | Contactors & Photovoltaics Control | Alexa & Google Home | iOS Android App - Image 5](https://m.media-amazon.com/images/I/91KqnU4FLEL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Toll *by F***R on 23 May 2026* Tut was es soll, misst meine Leistung, rechnet sogar Blind und Scheinleistung aus automatisch. Sehr nice 👍 ### ⭐⭐⭐⭐⭐ Produit conforme *by R***N on 25 April 2025* . ### ⭐⭐⭐⭐⭐ Non c'è di meglio *by C***R on 11 May 2025* Eccezionale come tutti i prodotti shelly ## 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 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co/products/630476599-shelly-pro-3em-switch-add-on-switch-accessory-pro-3em](https://www.desertcart.co/products/630476599-shelly-pro-3em-switch-add-on-switch-accessory-pro-3em) --- *Product available on Desertcart Colombia* *Store origin: CO* *Last updated: 2026-06-01*