Shelly Pro 1 Relay Switch

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Professional 1 Channel DIN Rail Relay Switch with WiFi, LAN and Bluetooth Connection

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.

Professional 1 channel relay with WiFi, LAN, and Bluetooth connection, suitable for home and facility automation with remote control. DIN rail mountable inside a breaker box. Enhanced safety features and compatible with most used home automation platforms.


HTTP/HTTPS webhooks for quick connection Enhanced with HTTP/HTTPs webhooks, Shelly Pro line can easily connect with, notify or control another compatible equipment or 3rd party automation system.

Smart actions that follow the Sunrise/Sunset Shelly Pro line can switch on/off the power, depending on the Sunset and Sunrise hour, which makes it perfect for dynamic control of the electrical equipment depending on the season.

Automation with weekly scheduling Shelly Pro line allows you to set up to 20 actions based on your daily or weekly schedule with no need for an external hub or server.

Scripting for custom automation Shelly Pro line fully supports mjS scripting, allowing customers to create own features and functionalities! Shelly Pro line devices allow multiple scripts to be executed together, depending on various triggers as input/output status, sensor data or WLAN requests.

Precise power measurement for detailed control over electricity costs Shelly Pro line is equipped with ESP32 processor, providing immediate notifications and real-time power consumption measurements. The precise power metering features of the PM devices will keep you informed about the electricity consumption of each connected device, making it possible to analyze the data and help you cut electricity costs.

  • LAN, Wi-Fi, and Bluetooth connection
  • 1 output, 16A 
  • Enhanced overtemperature protection
  • Precise power metering
  • Dry contact
  • Wide range of voltage support
  • DIN rail mountable


Shelly Pro 1 is a one-phase, 1 channel relay supporting up to 16A Shelly 1Pro is equipped with a potential-free output (dry contacts), offering high flexibility in voltage support and wide variety of home automation opportunities.
Shelly Pro 1 is enhanced with scripting functionalities, allowing users to set custom automation scenes based on various occurrences such as weather forecast, wind force forecast, etc.


Power supply AC 110-240V ±10%, 50/60Hz
Maximum load 16А
Power supply DC 12VDC ± 10%
Channels 1 Channel
DC Output 0-30V; 12A
Dry contacts Yes
Roller shutter mode No
Device temperature protection Yes
Overload protection Yes
Power measurement No
HTTP/HTTPS webhooks Yes
Custom scripts (mJs) Yes
Operational temperature -20°C to + 40 °C
Device power consumption < 4 W
Intelligent On/Off Yes
Local and remote control Yes
Sunrise/Sunset Yes
Weekly Schedule Yes
UL Listed option No
Wireless Yes
Wi-Fi Protocol 802.11 b/g/n
Wi-Fi Radio frequency 2412 - 2484 MHz
Wi-Fi Radio signal power 1mW
Wi-Fi Range up to 50 m outdoors and up to 30 m indoors (depending on the building materials)
Bluetooth Yes
Ethernet Yes
Size 18,5mm x89,5mm x 68,5mm
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