Shelly Pro 2

2-channel Wi-Fi relay switch with dry contacts

*new version does not support DC!

What is Shelly Pro 2?

2 circuit Wi-Fi relay switch with dry contacts

Professional 2-channel relay with Wi-Fi, LAN, and Bluetooth connection, suitable for home and facility automation with remote control and 2-phase control. DIN rail mountable inside a breaker box. Enhanced safety features and compatible with most used home automation platforms.

Features

  • LAN, Wi-Fi, and Bluetooth connection
  • 2 outputs, 16A each. Total device maximum of 25A
  • 2-phase control
  • Dry contacts
  • Overpower and overvoltage protection of the load
  • DIN rail mountable

Specification

Power
Power supply AC 110-240V, 50/60Hz
Power supply DC

12V (new version does not support DC!)

Maximum load 16A per channel; 25A total maximum for device
DC output 0-30V; 12A (new version does not support DC!)
Special functions
Dry contacts Yes
2-phase control Yes
Device temperature protection Yes
Overload protection No
Power measurement No
Features
HTTP/HTTPS webhooks Yes
Custom scripts(mJs) Yes
Channels 2 Channels / 2 phases
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
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 terrain and building structure)
Bluetooth Yes
Ethernet Yes
Dimensions
Size 68.5×18.5×89.5 mm

Wiring diagrams

How to connect

Shelly PRO 2 v.1 Wiring (New version, no DC support)

Shelly PRO 2 v-1 Wiring

Shelly PRO 2 Wirings (Old version)

AC power supply – AC circuit switching

AC power supply – mixed AC & DC circuits switching

 

AC power supply – DC circuits switching

12 V DC power supply – AC circuits switching

12 V DC – mixed AC & DC circuits switching

12 V DC power supply – DC circuits switching