Shelly 2.5

What is Shelly 2.5

Smaller but more powerful. Shelly 2.5 was developed to have a maximum load of 2 x 2300W or 2 x 10A. Independent dual power metering for each channel allows you to monitor the status and history, as well as the current and past electrical power consumption.





No hub required. Connect Shelly 2.5 directly to your Wi-Fi network and control your home with your smartphone or tablet.

Control Remotely

Control a wide range of appliances directly from your smartphone or tablet from anywhere in the World as long as you have an Internet connection.

Highly Compatible

Control your appliances with your voice. The Shelly 2.5 operating system is compatible with Android, iOS, Amazon Alexa and Google Assistant.

Power Measure

The Shelly 2.5 has an integrated precise power metre. Measure the overall consumption of all electric appliances you are controlling.

2 Channels

Maximum load current per output: 10A/230V, 50/60Hz. You can control a wide range of home appliances and office equipment.

Countdown Timer

No more forgetting your appliances on. With the integrated countdown timer, the Shelly 2.5 can automatically switch off your oven after an hour.





Power supply AC: 110-230V ±10%, 50/60Hz
Power supply DC: 24 – 60V
Dry contacts: No
Roller shutter mode: Yes
Device temperature protection:


Overload protection: Yes
Power measurement: Yes
Working without a neutral line: No
Channels: 2 Channel
Maximum load: 10A per channel
Operational temperature: -40 to + 40 °C
Device power consumption: < 1 W
Intelligent On/Off: Yes
Local and remote control: Yes
Sunrise/Sunset Yes
Weekly Schedule Yes
UL Listed option Yes
Wireless/Wi-Fi protocol: 802.11 b/g/n
Radio frequency: 2400 – 2500 MHz
Radio signal power: 1mW



· Up to 50m outdoors
· Up to 30m indoors
(Depending on the building materials)
Size: 39mm x 36mm x 17 mm


Installation of certain Shelly devices must be done by a qualified electrician or authorised installer.

Use Cases

Roller Shutter/ Blinds / Tents / Awnings / Garage Doors / Barriers

Roller Shutter/ Blinds / Tents / Awnings / Garage Doors / Barriers

Often you are in a rush when heading to work, and you want to get there as quickly as possible, or maybe you forgot to close the garage? With Shelly 2.5, you can avoid this, and when going out from home, open and close your garage door with a single tap, or even with your voice. Controlling roller shutters, garage doors, barriers, or any bi-directional motor has never been easier.
Control Two Independent Circuits With 1 Device

Control Two Independent Circuits With 1 Device

You are ready for bed, but start thinking if you have switched off the lights downstairs? Avoid this and control two independent circuits with one device. Simply install Shelly 2.5 at home and control the lighting of two separate lamps. They might be in the same or different rooms.

Download the Shelly Cloud app for Android and iOS

Download Shelly Cloud App on Apple App StoreDownload Shelly Cloud App on Google Play store


Shelly 2.5 Best way to install


Shelly 2.5 Dual channel Wi-Fi relay with roller shutter mode


Does UL listing make products safer? Interview with Shelly about UL certification of the Shelly 2.5