--- product_id: 604996448 title: "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: "$118.66" currency: USD in_stock: true category: "Shelly" url: https://www.desertcart.ec/products/604996448-pro-3em-switch-add-on-add-on-pro-3em-dry store_origin: EC region: Ecuador --- # 1 Amp current rating No hub required, direct iOS & Android app control DIN Rail mount for seamless industrial integration 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:** $118.66 **Availability:** ✅ In Stock ## Summary > ⚡ Power your smart home like a pro—control, save, and automate effortlessly! ## Quick Answers - **What is this?** 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?** $118.66 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/604996448-pro-3em-switch-add-on-add-on-pro-3em-dry) ## 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 Load Shedding:** Automatically balance your solar and wind energy output by activating appliances only when surplus power is available. - • **Hub-Free Smart Control:** Manage your entire setup remotely via the Shelly app on iOS and Android—no extra hub needed, no hassle. - • **Future-Proof Reliability:** Backed by a 5-year warranty and UL certification, ensuring long-term performance and peace of mind. - • **Effortless Energy Mastery:** Seamlessly control contactors and electrical devices to optimize your energy consumption with precision. - • **Plug & Play Industrial Design:** Compact 20g DIN Rail mount with stainless steel contacts ensures durable, professional-grade installation. ## Overview The Shelly Pro 3EM Switch Add-On is a lightweight, DIN Rail-mounted dry contact switch designed to extend the capabilities of the Shelly Pro 3EM energy meter. It enables precise control of electrical devices for load shedding and PV system balancing, integrating seamlessly with solar panels and wind turbines. With no hub required, it offers remote management via a dedicated iOS and Android app, backed by a 5-year warranty and UL certification for industrial-grade reliability. ## 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 | #30,591 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #8 in Industrial Power Meters | | Brand Name | Shelly | | Connector Type | Plug-In | | Contact Material | Stainless Steel | | Contact Type | Normally Open | | Current Rating | 1 Amps | | Customer Reviews | 4.6 4.6 out of 5 stars (82) | | EU Spare Part Availability Duration | 5 Years | | Global Trade Identification Number | 03800235268131 | | Included Components | 1 pack | | Item Weight | 20 Grams | | Manufacturer | Shelly | | Model | Shelly_Pro_Add | | Mounting Type | DIN Rail Mount | | Operation Mode | ON-OFF-ON | | Part Number | Shelly_Pro_Add | | Smart Home Compatibility | Smart Home Compatible | | Specification Met | UL | | Unit Count | 1.0 Count | | Upper Temperature Rating | 105 Degrees Fahrenheit | | Warranty Description | 5 year manufacturer | | Wattage | 1 | ## Product Details - **Connector Type:** Plug-In - **Contact Material:** Stainless Steel - **Contact Type:** Normally Open - **Current Rating:** 1 Amps - **Mounting Type:** DIN Rail Mount ## Images ![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) ![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 2](https://m.media-amazon.com/images/I/81iq0IO6iOL.jpg) ![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 3](https://m.media-amazon.com/images/I/71BO1pq3ehL.jpg) ![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 4](https://m.media-amazon.com/images/I/8190vflWwTL.jpg) ![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 5](https://m.media-amazon.com/images/I/91KqnU4FLEL.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 --- ## 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.ec/products/604996448-pro-3em-switch-add-on-add-on-pro-3em-dry](https://www.desertcart.ec/products/604996448-pro-3em-switch-add-on-add-on-pro-3em-dry) --- *Product available on Desertcart Ecuador* *Store origin: EC* *Last updated: 2026-07-04*