--- product_id: 740311130 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: "£71.57" currency: GBP in_stock: true category: "Shelly" url: https://www.desertcart.co.uk/products/740311130-shelly-pro-3em-switch-add-on-add-on-pro-3em store_origin: GB region: United Kingdom --- # Max 2A switching load App & voice control DIN rail mountable 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:** £71.57 **Availability:** ✅ In Stock ## Summary > ⚡ Power up your smart home control with precision and style! ## 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?** £71.57 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/740311130-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 - • **Smart Remote Control:** Manage your loads anytime, anywhere via the Shelly Smart Control app or popular voice assistants like Alexa and Google Home. - • **Compact DIN Rail Mounting:** Saves valuable panel space while ensuring professional-grade installation and durability. - • **Safe Zero Potential Contacts:** Control external loads up to 240V AC or 30V DC with reliable dry contacts, ensuring clean and safe switching. - • **Flexible Automation & Scheduling:** Create custom timers and smart scenes to optimize energy use and automate device shutdowns with precision. - • **Seamless Shelly Pro 3EM Integration:** Effortlessly extend your energy management with a plug-and-play add-on designed exclusively for Shelly Pro 3EM. ## Overview The Shelly Pro 3EM Switch Add-On is a sleek, DIN rail-mounted electrical switch designed to expand the capabilities of your Shelly Pro 3EM energy monitor. It offers zero potential dry contacts for safe load control up to 2A, supports flexible automation via app and voice assistants, and enables precise management of solar, battery, and device shutdowns without requiring a hub. Ideal for professionals seeking compact, smart energy solutions with seamless integration. ## Description Electrical insulation switch to extend the functionality of your Shelly Pro 3EM device Allows for more flexible control and monitoring consumption *Compatible with Shelly Pro 3EM only. Key Features potential contact Can be mounted on DIN rails. *Compatible with Shelly Pro 3EM only. ## Features - Precise Switching: Add switch options to the Shelly Pro 3EM to automate load shutdown, device shutdown, and solar/battery management - Perfect Money: Installs next to the Shelly Pro 3EM and works on 3.3V or 12V supplied directly from the device - Power suppression: Controls external load with non-potential contacts that can be loaded at up to 240V AC or 30V DC and a maximum current of 2A - Control your device from anywhere with the Shelly Smart Control app or voice assistant like Alexa, Google Home, SmartThings - ZONE AND TIMER: Create individual timers and schedules or automate your home in smart settings ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0C718B37C | | Amazon Bestseller | #465,359 in Computers ( See Top 100 in Computers ) #2,176 in Computer Networking Switches | | Brand Name | Shelly | | Color | white | | Connector Type | Screws | | Contact Material | Steel | | Contact Type | Work Contact | | Control Method | App | | Customer Reviews | 4.5 4.5 out of 5 stars (54) | | EU Spare Part Availability Duration | 5 Years | | Global Trade Identification Number | 03800235268131 | | International Protection Rating | IP00 | | Item Dimensions | 9.4 x 1.9 x 6.9 cm | | Item Weight | 20 Grams | | Manufacturer | Shelly | | Material Type | Stainless Steel | | Model | 3800235268131 | | Mounting Type | DIN Rail Mount | | Number of Items | 1 | | Part Number | Shelly_Pro_Add | | Specification Met | RoHS | | Unit Count | 1 Count | | Upper Temperature Rating | 40 Degrees Celsius | | Wattage | 1 | ## Product Details - **Brand:** Shelly - **Connector Type:** Screws - **Contact Material:** Steel - **Contact Type:** Work Contact - **International Protection Rating:** IP00 - **Item dimensions L x W x H:** 9.4 x 1.9 x 6.9 cm - **Material:** Stainless Steel - **Mounting Type:** DIN Rail Mount - **Specification Met:** RoHS - **Upper Temperature Rating:** 40 Degrees Celsius ## 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) ![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 2](https://m.media-amazon.com/images/I/81iq0IO6iOL.jpg) ![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 3](https://m.media-amazon.com/images/I/71BO1pq3ehL.jpg) ![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 4](https://m.media-amazon.com/images/I/8190vflWwTL.jpg) ![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 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.co.uk/products/740311130-shelly-pro-3em-switch-add-on-add-on-pro-3em](https://www.desertcart.co.uk/products/740311130-shelly-pro-3em-switch-add-on-add-on-pro-3em) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-23*