Shelly Pro 3
Shelly Pro 3 - Image 2
Shelly Pro 3 - Image 3

Shelly Pro 3

£79.99

3 in stock

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Overview

Shelly Pro 3 is a professional 3-channel DIN rail smart relay with dry contacts designed for three-phase control and high-load automation. It supports LAN, Wi-Fi, and Bluetooth connectivity and provides three independent outputs rated at 16A each, with a total device load of up to 48A. Built for installation inside electrical cabinets, Shelly Pro 3 delivers reliable potential-free switching, enhanced safety protections, and seamless integration with the Shelly app and leading automation platforms.

Key features

  • Professional 3-channel DIN rail smart relay
  • Dry contact outputs for flexible low- and high-voltage control
  • Three independent outputs rated up to 16A each
  • Up to 48A total device load
  • Supports three-phase control
  • LAN, Wi-Fi, and Bluetooth connectivity
  • Designed for installation inside breaker boxes and electrical cabinets
  • Supports schedules, scripting, webhooks, and automation platforms

Product information

Use cases
  • Three-Phase Automation
  • Control and automate three-phase electrical circuits in residential, commercial, or industrial installations.
  • Dry Contact Switching
  • Switch boilers, contactors, alarms, or control circuits requiring potential-free contacts.
  • Electrical Cabinet Installations
  • Centralise control of multiple circuits using a professional DIN rail setup.
  • Facility and Building Automation
  • Deploy in offices or facilities requiring reliable, high-current, multi-channel control with wired and wireless connectivity.
Technical specifications
Power
Power supply AC
110–240V, 50/60Hz
Power supply DC
No
Channels
Channels
3
Output Circuit Ratings
Max switching voltage AC
240 V
Max switching voltage DC
30 V
Max switching current AC
16 A per channel, 48 A total
Max switching current DC
16 A per channel, 48 A total
Special Functions
Roller shutter mode
No
Device temperature protection
Yes
Overload protection
No
Power measurement
No
Features
HTTP/HTTPS webhooks
Yes
Custom scripts (mJS)
Yes
Operational temperature
-20°C to +40°C
Device power consumption
< 3 W
Intelligent on/off
Yes
Local and remote control
Yes
Sunrise/sunset
Yes
Weekly schedule
Yes
UL listed option
No
Connectivity
Wireless
Yes
Max RF output power
13.35 dBm
Wi-Fi protocol
802.11 b/g/n
Wi-Fi radio frequency
2412–2472 MHz (max 2495 MHz)
Wi-Fi range
Up to 30 m indoors and 50 m outdoors (depending on conditions)
Bluetooth
Yes
Ethernet
Yes
Dimensions
Size
96 × 53 × 59 mm
What’s included
  • Shelly Pro 3 DIN rail smart relay

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