Shelly 1PM Plus Wi-Fi Relay Switch



The Shelly 1PM Plus WiFi Relay Switch module with Bluetooth can control 1 electrical circuit up to 3.5 kW. It is intended to be mounted behind power sockets and light switches or other places with limited space. Shelly may work as a standalone device or as an accessory to another home automation controller.  

On. Off.

With power metering.
Shelly 1PM Plus

The Shelly Plus 1PM (with power monitoring) is the upgraded version of the popular Shelly 1PM.

Wi-Fi operated

Connect Shelly Plus 1PM directly to your Wi-Fi network. No Smart Hub required.

Add devices quickly and easily via Bluetooth connection, using Shelly Cloud App.

Low voltage support

Shelly Plus 1 PM can control and be powered by 110-240 VAC or 24-30 VDC.

Power metering

Shelly  Plus 1 PM provides precise monitoring of the power consumption of the connected load.

Extremely fast processor
Significantly improved for faster command execution, feedback, and notification.

Enhanced safety

Enhanced over-temperature protection with software thresholds for prevention of failures.

Enhanced security

MQTT and WSS support, TLS, and custom certificates support for a broad range of use.

Improved API interface
A broad range of cloud connections and local integrations with much lower integration cost.


Next generation.

Perfectly upgraded.

The Shelly Plus 1 PM is the next generation of the popular Shelly 1 PM. It has been upgraded in every way possible.



Track your power consumption and save money.
You can now monitor and analyse the power consumption of your electrical appliances and lighting. Shelly Plus 1PM has an integrated precise power meter that allow you to measure the power consumption and features free data storage for analysis. Help save the environment and save money.


From anywhere in the World.

With Shelly Plus 1PM you can automate lighting and almost any electrical appliance in your home and control it remotely. Shelly Plus 1PM can even control appliances with large loads (up to 16A) which makes it perfect for kitchen appliances and domestic systems monitoring and control.

Shelly Plus 1PM - Control
Shelly Plus 1PM - Comfort


Come home to a cozy house.
Nothing’s better than coming to a cozy home on a chilly winter day! Set Shelly Plus 1PM to turn on the heating appliances in your house an hour before you leave work. That way your home will be nice and cozy for you and your family the moment you walk in.


Create schedules and timers.

The true power of a smart home is in the automations. Not having to touch your phone or use your voice assistant. Shelly Plus 1PM will allow you to automate your lights and appliances on a schedule or when certain conditions around your home are met (e.g. when your Shelly Door / Window Sensor is triggered).

Shelly Plus 1PM - Automate

App Control.

With the best cloud service in the World, user-friendly interface, scenes, bulk control and much more… the Shelly Cloud application allows you to control your home from anywhere. Each Shelly can be integrated and works with all other Shelly devices in the Shelly app.
Shelly 1 - App Control

Voice control.

Shelly devices are fully compatible with Amazon Alexa and Google Home.
“Hey Google, turn off the bedroom light.”
“Alexa, open the garage door.”

Flexible control.

Shelly Wi-Fi devices can work without a hub… but they are also compatible with…

Full control.

Shelly is an open platform. With the embedded web server and HTTP commands, Shelly can be made compatible with your home automation systems and projects… securely and easily.

Shelly - Developers

The finer details


Power supply AC: 110-230V ±10%, 50/60Hz
Power supply DC: 24 – 60V
Maximum load: 16A
Device power consumption: < 1 W

Special functions

Dry contacts: No
Roller shutter mode: No
Device temperature protection: Yes
Overload protection: Yes
Power measurement: Yes
Working without a neutral wire: No


Control channels: 1 On/Off Relay Channel
Operational temperature: 0°C to + 40°C
Intelligent On/Off: Yes
Local and smart control: Yes
Sunrise/Sunset timer: Yes
Built-in weekly scheduler: Yes


Wi-Fi protocol: 802.11 b/g/n
Radio frequency: 2400 – 2500 MHz
Radio signal power: 1mW
Wireless range: up to 50 m outdoors and up to 30 m indoors (depending on the building materials)
Bluetooth: Yes


Size: 41mm x 36mm x 16mm

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