Shelly Pro 3
£79.99
3 in stock
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
