Shelly Wi-Fi  |  SKU: ARLSHELLY3EMADDON

Shelly Pro 3EM Switch Add-on

$34.00
Shipping calculated at checkout.

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We ship worldwide... simply add products to cart to see real time shipping prices & delivery times based on weight and location.

Any items in stock and ordered before 2:30pm (UK) will ship same day.

Smart Home Experts - On Demand

Transform your home into a smart one with us, and gain more than just a product.

You'll have access to our dedicated team of experts and a wealth of guides, ensuring you're well-equipped to handle any technical challenges.

Compatibility Guarantee - Instant Returns

Introducing our unmatched Compatibility Guarantee.

If you discover that Shelly Pro 3EM Switch Add-on doesn't mesh with your existing system, simply utilize our swift two-click returns process.

We'll instantly provide a self-serve shipping label for hassle-free returns. Upon receiving the item, your refund is processed immediately.

With our guarantee, you can put compatibility worries to rest.

Summary

DIN rail mountable

  • Conductor cross section:0.5 to 2.5 mm² / 20 to 14 AWG (solid, stranded and bootlace lugs)
  • Ambient temperature:-20 °C to 40 °C / -5 °F to 105 °F
  • Humidity:30% to 70% RH
  • Max. Altitude:2000 m / 6562 ft
  • Power supply DC:3.3 V and 12 V (from Shelly Pro 3EM)
  • Power consumption of the device:< 1 W
  • Max switching voltage AC:240 V
  • Max switching voltage DC:30V
  • Max switching current AC:2A
  • Max switching current DC:2A

The Add-on for Shelly Pro 3EM* is a galvanically isolated switch designed to expand the capabilities of your Shelly Pro 3EM. With this add-on you can easily control contactors and other electrical devices, giving you more flexibility and control over your consumption.

*Compatible with Shelly Pro 3EM only!

Load shedding

Keep track of how much energy your solar panels and wind turbines are generating and save effortlessly by controlling your consumption with Shelly Pro 3EM Add-on.  Connect Shelly Pro Add-On to your appliances and use Shelly  Pro 3EM's real-time information on how much energy has been generated and consumed. When you need to save energy, Shelly Pro3EM Add-on can automatically switch off non-essential appliances in your home.

Weather-based control

Shelly Pro 3EM, enhanced with the Shelly Pro 3EM Add-on, offers weather-driven energy optimization. By scripting, you can efficiently control your appliances based on the weather forecast. Upon receiving real-time weather updates, Shelly Pro 3EM takes measures as defined in the script. For example, if the forecast indicates that it's going to be a sunny day, Shelly Pro 3EM Add-On can automatically turn off the heating anticipating higher temperatures.

PV systems balancing

When your PV system is producing more energy than your home consumes, Shelly Pro 3EM Add-On can automatically activate appliances to make use of it. For example, you can set it to turn on your water heater, charging station for electric vehicles, or other energy-intensive appliances. This way, you make the most of the abundant energy generated by your PV system and reduce dependency on the grid.

Shelly Smart Control App

Enjoy enhanced home automation control and precise monitoring of your Shelly devices wherever you are with the Shelly Smart Control app. Now with a new and fresh design, improved and customer-friendly navigation, and better capabilities for monitoring your energy usage, you can enjoy smooth control over your smart home or facility. 



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Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Here's What You Get - Extra FREE

Buy Shelly Pro 3EM Switch Add-on and get all this FREE... (no need to add to cart, we'll send automatically with your order)

Unlock the Power of Smart Living: Your Ultimate Guide to a Futuristic Home

This £37 Premium Book unveils the most innovative ways to integrate smart tech seamlessly into your daily life, truly transforming your living space into a haven of convenience, safety, and modern sophistication. You'll Learn...

  • Simplicity at Your Fingertips: Grasp the basics of setting up common yet essential automations like hands-free lighting.
  • Weather-Wise Automations: Learn how your home can intuitively adjust to Mother Nature, from closing windows when it rains to optimizing temperature.
  • Enhance Security: Elevate your home’s security with automated alerts, making sure you're always in the know.
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  • Lifestyle & Entertainment: Set the mood for every occasion - be it a movie night or a workout session.

Master Your Smart Home's Connectivity: Full Coverage

This £37 Premium Book unravels the mysteries of wireless technologies, guiding you to optimize your smart home's connectivity for unparalleled performance and convenience. You'll Learn...

  • Mastering Wireless Tech: Understand the core differences between Zigbee, Z-Wave, Wi-Fi, and Thread, and how each can be harnessed for specific smart home needs.
  • Optimal Device Placement: Learn the art of positioning devices in various home setups, ensuring every corner of your space is seamlessly connected.
  • Combat Interference: Discover how to manage and mitigate interference between devices, ensuring smooth and uninterrupted smart home operations.
  • Wall Wisdom: Grasp the impact of different wall types on signal strength and learn strategies to overcome any barriers they might pose.
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Ultimate Smart Home Guide: Blueprint to Seamless Integration & Elevated Living

This £37 Premium Book unravels the intricacies of both preparing you home for smart tech + adding to it over time. You'll Learn...

  1. Dream Big, Start Simple: Delve deep into the strategy of initiating your smart home journey with manageable steps.
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Plus These Added Benefits...

  • Loyalty Points

    Every purchase earns you loyalty points. The more you spend, the more you save. Collect points for future discounts, making each buy a step towards your next saving.

  • Premium Support

    Become a part of our smart home enthusiast community. Share experiences, learn from peers, and access top-tier tech support with fast response times from our experts.

  • Exclusive Early Access

    Get your hands on the latest smart home products before anyone else. Enjoy priority notifications about new releases and exclusive offers, ensuring you’re always at the forefront of innovation.

Still Have Questions About Shelly Pro 3EM Switch Add-on?

Ask Our Experts

Frequently Asked Questions

What if it's incompatible with my existing smart home system?

We offer a no questions asked express return service. So, if you try Shelly Pro 3EM Switch Add-on and find it's not compatible with your system, you can easily return it.

How can I get technical support for it?

Our team of experts is available to assist you with any technical questions you may have via email and live chat.

Do you offer installation services?

While we don't offer direct installation services, we provide comprehensive online support through guides, videos, and access to our experts via email and chat. If you need an installer, we can often help connect you. With advancements in smart home tech, most of our products can be self-installed with guidance.

What if I struggle with installing or using after purchase?

We have experts who frequently use these products in their own homes, and they are well-acquainted with the ins and outs. This means we can provide unparalleled guidance and troubleshooting. You won't find this level of hands-on expertise at any other store.

How quickly will I receive my order?

If you place your order before 2:30pm in the UK, you can expect it the next day. For orders outside the UK, we offer express shipping options that will get your products to you within a few days.

Why should I choose to buy from Vesternet over other online stores?

When you buy from Vesternet, you're not just purchasing a product. You gain a partner with expertise in smart home technology. Our team is on-hand to assist with setup and provide valuable advice. While there might be cheaper options online, home automation can be complex, and having experts by your side can prevent costly mistakes.

1000's of Happy Customers...

How to Setup a Smart Home

In 5 Simple Steps...

  1. Plug in your Hub and setup with wizard
  2. Install Devices around your home
  3. Wirelessly Connect devices to your hub with wizard
  4. Create Rules & Scenes with wizard to automate tasks
  5. Enjoy your automated home with increased Security, Comfort, Energy & Emergency monitoring, automated Heating & Lighting

Then easily add more devices ongoing as you choose

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