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Shelly PRO 3 Relay Switch
$106.99
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Shelly PRO 2 Double Relay
$96.99
Professional DIN rail mountable 2-channel smart switch relay (up to 16A per channel, max 25A combined) with Wi-Fi, LAN (ethernet) and Bluetooth connectivity. Suitable for home and commercial facility automation with remote smart control. Enhanced safety features including over-temperature protection, the Shelly Pro series is designed to be installed inside a breaker box (DIN rail). It is equipped with potential-free outputs (dry contacts) offering high flexibility in voltage support and applications. Shelly may work as a standalone network device or as an accessory to another home automation controller.
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Description
Professional.
Double relay up to 25A.
Wi-Fi or Ethernet
Connect Shelly Pro 2 directly to your network. No Smart Hub required.
Bluetooth
Add devices quickly and easy via Bluetooth connection, using Shelly Cloud App.
DIN Rail mountable
Designed to be mounted in a breaker box on a DIN Rail for a professional installation.
Dry contacts
Use a wide range of output voltage levels. Supports low voltages.
Extremely fast processor
Significantly improved for faster command execution, feedback and notification.
Enhanced safety
Enhanced temperature, over-power, and over-voltage load protection.
Enhanced security
MQTT and WSS support, TLS and custom certificates support for a broad range of use.
Improved API interface
Broad range of cloud connections and local integrations with much lower integration cost.
Control.
From anywhere in the World.
With Shelly Pro 2 you can automate two seperate loads and control them remotely. Shelly Pro 2 can even control appliances with large loads (up to 16A per channel or 25A combined) which makes it perfect for kitchen appliances and commercial / industrial systems monitoring and control.
Comfort.
Come home to a cozy house.
Nothing’s better than coming to a cozy home on a chilly winter day! Set Shelly Pro 1 to turn on the heating appliances in your house an hour before you leave work. That way your home will be nice and cozy for you and your family the moment you walk in.
Automate.
Create schedules and timers.
The true power of a smart home is in the automations. Not having to touch your phone or use your voice assistant. Shelly Pro 2 will allow you to automate your lights and appliances on a schedule or when certain conditions around your home are met (e.g. when your Shelly Door / Window Sensor is triggered).
App Control.
With the best cloud service in the World, user-friendly interface, scenes, bulk control and much more… the Shelly Cloud application allows you to control your home from anywhere. Each Shelly can be integrated and works with all other Shelly devices in the Shelly app.
Voice control.
Shelly devices are fully compatible with Amazon Alexa and Google Home.
“Hey Google, turn on the loungeroom light.”
“Alexa, turn off the theater projector.”
Flexible control.
Shelly Wi-Fi devices can work without a hub… but they are also compatible with…
Full control.
Shelly is an open platform. With the embedded web server and HTTP commands, Shelly can be made compatible with your home automation systems and projects… securely and easily.
The finer details
Power |
|
| Power supply AC: | 110-230V ±10%, 50/60Hz |
| Power supply DC: | No |
| Maximum load: | Up to 16A per channel (max 25A combined) |
| Device power consumption: | < 3 W |
Special functions |
|
| DIN Rail mountable: | Yes |
| Dry contacts: | Yes |
| Roller shutter mode: | No |
| Device temperature protection: | Yes |
| Overload protection: | No |
| Power measurement: | No |
| Working without a neutral wire: | No |
Features |
|
| Control channels: | 2 independent On/Off Relay Channels |
| Operational temperature: | -20°C to + 40°C |
| Intelligent On/Off: | Yes |
| Local and smart control: | Yes |
| Sunrise/Sunset timer: | Yes |
| Built-in weekly scheduler: | Yes |
Connectivity |
|
| Wi-Fi protocol: | 802.11 b/g/n |
| Radio frequency: | 2400 – 2500 MHz |
| Radio signal power: | 1mW |
| Wireless range: | up to 50 m outdoors and up to 30 m indoors (depending on the building materials) |
| Bluetooth: | Yes |
| Ethernet: | Yes |
Dimensions |
|
| Size: | 94mm x 19mm x 69mm |
OPTIONAL ACCESSORIES
2 Wire Magnetic Reed Switch
Reed switches are used to monitor the opening and closing of windows or doors (or essentially anything that opens or closes). There are two parts to a reed switch... one has a magnet inside, the other a reed switch (which is triggered when the magnet comes close and deactivates when the magnet is pulled away). When wired (DIY with 2 low voltage wires) to a smart home binary sensor input device, you can easily monitor and create automations for doors and windows. Can be mounted with double-sided tape or screws.
Sold out
Shelly Wall Display
Shelly Wall Display is an intuitive 4” wall display that gives you easy, centralised control and monitoring of all your Shelly devices and scenes. With a beautiful, minimalistic look and customisable display, Shelly Wall Display will seamlessly blend with your interior décor and adjust perfectly to your needs. Featuring embedded sensors for temperature, humidity & LUX (light level). Includes built-in 5A relay switch. Now works with Home Assistant Dashboards - easily access your chosen Home Assistant Dashboard on the Shelly Wall Display.
Available in Black or White.
Shelly PRO 4 Port LAN Switch
Shelly Pro LAN Switch is a DIN-mountable Ethernet switch with 5 x RJ45 ports. It offers a seamless solution to expand your network capabilities without the hassle of extensive rewiring. Engineered for reliability and performance, it ensures a consistent and stable direct network connection to your Pro Shelly devices, providing you with peace of mind and confidence in your network infrastructure.
Shelly Compatible RC Snubber
To be used for all Shelly relays when switching on induction loads such as fans, motors, rollers or equipment that cause voltage spikes during powering on. This Shelly compatible RC Snubber is designed to suppress the voltage spikes caused by the circuit's inductance when a switch, electrical or mechanical, opens. RC snubber should be wired by a licensed electrician between the Output and Neutral of the circuit connected to a Shelly relay.
WARNING: This product MUST be installed by a licensed electrician - additional shielding should be used as required.
FROM OUR BLOG
Oct05
Sonoff vs Shelly: Which is better for your setup?
Sonoff or Shelly? We compare the key differences in features, connectivity, compatibility and price to help you choose the best smart home option for your ...
Jul16
What are the key differences between Shelly 2PM Gen3 & 2PM Gen4 for motorised blind & shutter control?
Add your motorised blinds, shutters and awnings to your smart home. Compare Shelly 2PM Gen3 vs Gen4 for Wi-Fi, Matter or Zigbee smarter blind control.
Jun24
How to integrate Shelly EM devices with solar systems
Learn how Shelly EM devices can help you monitor your solar system’s performance, track household energy usage, and understand how much power you are generating, ...
May14
How to automate exhaust fans in wet areas
In this blog we will look at how we can automate exhaust fans, helping keep your wet areas free of mould, fresher, drier and easier ...
May12
How to add smart control to a hot water heater
Learn how to automate an electric hot water system using Shelly. This guide explains why smart hot water control is useful, how it can help ...
Mar19
Going all in on Shelly & Home Assistant for lighting control
Build a smarter lighting system with Shelly and Home Assistant. This powerful combination delivers flexible, local control without cloud reliance - perfect for creating reliable, ...
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