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Shelly PRO 2 WiFi + Ethernet 2-gang smart relay switch with DIN-rail support

Shelly Pro 2 has two phases and 2 channels, supporting up to 25A. It is equipped with potential-free outputs (dry contacts), offering high flexibility in voltage support and a wide variety of home automation opportunities.

Pairing with app just takes seconds by Bluetooth, and remote control connections can work either via wireless Wi-Fi or wired Ethernet.

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Factory SKU ID:
Supported protocols:
Bluetooth, Ethernet / LAN, Wi-Fi
in stock (30+ pcs)

Shelly Pro 2 is a one-phase, 2-channel relay supporting up to 16A each (total device max. of 25 A). The device is equipped with potential-free output (dry contact), offering high flexibility in voltage support and a wide variety of home automation opportunities.
Shelly Pro 2 is enhanced with scripting functionalities, allowing users to set custom automation scenes based on various occurrences such as weather forecast, wind force forecast, etc.
Enjoy easy office, home, and facility automation!


  • lights control
  • socket control
  • garage door and motorized gate control
  • heater automation
  • pool pump control
  • irrigation automation

Supreme home and facility automation with Shelly’s professional line of smart switches

Enhanced with temperature, overpower, and overvoltage load protection, Shelly Pro series is designed to be installed inside the breaker box (DIN). Allowing full smart automation with no additional cables or wiring, Shelly Pro line is perfect for homes, offices, stores, business, and manufacturing facilities, as well as new buildings.

DIN rail mountable

The Shelly Pro Line is intended to be installed inside the breaker box and designed to meet the global DIN rail standardization. That makes it suitable for all kinds of buildings and ensures easy installation with no additional components needed.

No hub required

Shelly Pro devices can be controlled directly and without a hub through your smartphone with Shelly Cloud
App. Manage and control the all smart devices in your home, set quick profiles, scenes, schedules, and adjust settings wherever you are through the Cloud access, or only on the local network!


  • LAN connection for high security and reliability. Simultaneous Wi-Fi and LAN usage, as back up when needed
  • Working on 2.4 GHz Wi-Fi network, supporting Access Point (AP) and Client Mode (CM) options
  • Now, add device fast and easy via Bluetooth connection, using Shelly Cloud App


  • Temperature / overheating protection - In case of unsafe temperature levels or rapid temperature increase, device switches off the outputs and sends notification. Internal temperature sensor is measuring the heat every 100 ms.
  • Flame Retardant (V-0) - All Shelly Pro components are produced with flame-resistant materials and will keep their construction even when exposed to high levels of heat.


  • HTTP/HTTPS webhooks
  • Sunrise/Sunset actions with offsets
  • Weekly Scheduling
  • Custom scripts(mJs)
  • Grouping
  • Scenes

Supported platforms and protocols:

  • Amazon Alexa
  • Google Home
  • Yandex Alice
  • SmartThings
  • MQTT
  • Home Assistant
  • Homey
  • Hubitat
  • Hoobs
  • Symcon
  • HomeSeer
  • Domoticz
  • Nymea
  • OpenHAB

Product features:  

  • LAN, Wi-Fi and Bluetooth: Simultaneous Wi-Fi and LAN usage, add device fast and easy via Bluetooth connection
  • 2 channel relay:  2 output, 16 A each (total device max. of 25A)
  • Dry Contacts: Supports a wide range of voltages, with dry contacts
  • Wide range of voltage support: Shelly Pro 1 can be powered by 110-240 VAC
  • Extremely fast processor: For immediate command execution and notification.
  • Wide variety of appliances control: Suitable for automating the lights, appliances, irrigation system, pool system, heaters, and many more.
  • Enhanced safety: Flame retardant shell (V-0) with internal overtemperature protection.
  • Enhanced security:  MQTT and WSS support, TLS and custom certificates support for a broad range of use cases.
  • No hub required: Control directly and without a hub through your smartphone with Shelly Cloud App.
  • Highly compatible:  Use with your preferred home automation platforms and voice assistants.

Product type:
two circuit smart WiFi relay
Device power supply:
110V-240V AC
230V AC (live and neutral)
DIN rail compatible:
Max. power consumption:
1W, &lt
Embedded relay:
Dimmer feature:
Power consumption metering:
Number of gangs / circuits:
Rated voltage (output):
110V-240V AC
Rated current (output):
16A per channel, 25A in total
Physical on/off button on device:
External switch supported:
2-way or 3-way switching:
Momentary switching (inching):
yes, auto on and auto off settings available
Surge protection:
Overheat protection:
Ethernet (RJ-45):
Wi-Fi standards:
802.11 b/g/n (2.4GHz)
RF transmitter / receiver:
Bluetooth pairing with phone, also Bluetooth remote controllers can be paired with it to remote control it, also Bluetooth hub features makes it possible to control other non-Bluetooth Shelly devices
Controllable from internet:
Manufacturer smartphone app:
yes, free app (Shelly Cloud) (iOS, Android)
Web admin interface:
yes, almost the same functionality as the app
Voice control:
Amazon Alexa and Google Assistant compatible
Cloud mode:
yes, Shelly devices may connect to factory cloud (optional setting)
LAN mode:
yes, works just in the local area network mode, with full functionality (adjustable)
REST API support:
MQTT support:
Supported integrations:
Amazon Echo, Google Home, HomeSeer, openHAB, Home Assistant, ioBroker, Hubitat, Hoobs, Symcan, Domoticz, nymea, SmartThings (beta), REST API
Schedulers, timers:
yes, (after synchronizing clock on the internet) limited number of timings operate in offline mode, any further timing can be run from the cloud in online mode
Notification functions:
send email, Shelly app notification
yes: on/off history in the app (the last 50 event for every Shelly account)
100 g/pcs
Package offers
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Shelly PRO 2 WiFi + Ethernet 2-gang smart relay switch with DIN-rail support
Shelly PRO 2 WiFi + Ethernet 2-gang smart relay switch with DIN-rail support