Shelly Plug M Gen3

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Device identification

Device name: Shelly Plug M Gen3
Device model: S3PL-30110EU
Device SSID: ShellyPlugMG3-XXXXXXXXXXXX
BLE ID: 0x1865

Short description

Shelly Plug M Gen3 is a smart plug with power measurement, overheating protection, and Bluetooth connectivity. It allows remote control and monitoring of appliances through a mobile phone, tablet, PC, or home automation system. The Device can operate standalone in a local Wi-Fi network or be connected to cloud services, and includes an embedded web interface for setup, monitoring, and control.

Main features

Matter support
Next-generation Wi-Fi smart plug with multicolor LED indication
Scripting (only supported when Matter is not enabled)
Wi-Fi range extender
BLE gateway
Power metering
Schedules
Wide compatibility with 3rd party home automation systems
Local actions
Shelly Cloud/Shelly Smart Control app support (optional)
Virtual Components

Use cases

Smart control with Matter - seamless use with Apple devices:
Shelly Plug M Gen3 works flawlessly with Apple Home, Alexa, Google Home, SmartThings and Home Assistant thanks to Matter support. You can instantly control lamps, heaters, fans, or any connected appliance using voice assistants, automations, or your preferred app. Enjoy simple setup, fast local control, and reliable operation across multiple ecosystems.
Prevent forgotten appliances from wasting energy:
Monitor and control all plugged-in appliances easily with just a few clicks on your phone. With the built-in countdown timer and locally stored schedules, Shelly Plug M Gen3 can automatically switch off appliances after a user defined period even without internet.
Example: night lamps, fans, irons, portable ovens, electric heaters.
Avoid energy waste by automating your electrical appliances:
Automate appliances in the office that are not used at night or over the weekend by simply adding Shelly Plug M Gen3. Now, you can set smart schedules that will turn off the power to all unused electrical appliances between 7:00 PM and 7:00 AM during the weekdays and between 7:00 PM on Friday and 7:00 AM on Monday. That way, you will cut the energy consumption of these devices in half, which will result in significant optimization of the monthly energy cost.
Automatic laundry / appliance cycle notification:
Shelly Plug M Gen3 detects when an appliance’s power consumption drops, allowing you to receive a notification when a washing machine, dishwasher, or dryer finishes its cycle.
Smart heater control based on temperature:
Connect a portable heater and automate it using temperature data from another temperature sensor. The heater turns on when the room is cold and turns off automatically when the target temperature is reached.
Presence simulation for home security:
Use smart schedules to turn lamps or small appliances on and off when you're away from home, giving the appearance that someone is inside and improving security.

Main applications

Residential
MDU (Multi Dwelling Units - apartments, condominiums, hotels, etc.)
Light commercial (small office buildings, small retail/restaurant/gas station, etc.)
Government/municipal
University/college

Integrations

Amazon Alexa supported capabilities

Yes

Google Smart Home supported traits

Yes

Samsung SmartThings supported capabilities

Yes

Simplified internal schematics

Device electrical interfaces

Input

1 CEE 7/7 plug

Output

1 CEE 7/3 (Type-F / Schuko) socket

Connectivity

Wi-Fi
Bluetooth

Safety function

Overheating protection
Overvoltage protection
Overcurrent protection
Overpower protection

Supported load types

Resistive (incandescent bulbs, heating devices)
Capacitive (capacitor banks, electronic equipment, motor start capacitors)
Inductive (LED light drivers, transformers, fans, refrigerators, air-conditioners)

User interface

Inputs

One push button
- Single press: Toggle the output On/Off.
- Press and hold for 3 s: Show device status (Possible only when the output is Off).
- Press and hold for 5 s: Enable Wi-Fi AP and Bluetooth (within 60 s after power-up).
- Press and hold for 10 s: Perform factory reset (within 60 s after power-up).

Outputs

LED indication
- Device status:
  - Blue light flashing: AP mode active.
  - Red light flashing slowly: Reconnecting to Wi-Fi.
  - Constant red light: Failed to reconnect to Wi-Fi.
  - Red light flashing rapidly: Firmware update (OTA) in progress.
- When output is on:
  - Green-Yellow-Red transition: By default indicates power consumption (0%-50%-100% of limit).
- When output is off:
  - LED Off: Default state.

Specifications

Quantity	Value
Physical
Size (HxWxD):	46 x 46 x 85 mm / 1.81 x 1.81 x 3.35 in
Weight:	73 g / 2.57 oz
Compatible sockets:	CEE 7/1, CEE 7/3 (Type F / Schuko) or CEE 7/5 (Type E)
Compatible plugs:	CEE 7/2, CEE 7/4 (Type F / Schuko), CEE 7/7, CEE 7/16 (Type C) or CEE 7/17
Shell material:	Plastic
Color:	White Black
Environmental
Ambient temperature:	-20 °C to 40 °C / -5 °F to 105 °F
Humidity	30 % to 70 % RH
Max. altitude	2000 m / 6562 ft
Glow-wire temperature:	750°C
Pollution degree:	2
Required forced cooling:	No
Electrical
Power supply:	220-240 V~ 50 Hz
Power consumption:	< 1 W
Rated impulse-withstand voltage:	2500 V
Output circuits ratings
Max. switching voltage:	240 V~
Max. switching current:	13 A
Max. output power:	3000 W (resistive load only)
Number of switching cycles:	10000
Overvoltage category:	II
Duty-type:	S1
Switch type:	One-way
Switch configuration:	SPNO (single-pole, normally-open)
Type of circuit disconnection:	Micro
Sensors, meters
Internal-temperature sensor:	Yes
Voltmeter (AC):	Yes
Ammeter (AC):	Yes
Power and energy meters:	Yes
Radio
Wi-Fi
Protocol:	802.11 b/g/n
RF band:	2412-2484 MHz
Max. RF power:	<10 dBm
Wi-Fi Range:
Bluetooth
Protocol:	4.2
RF band:	2402 - 2480 MHz
Max. RF power:
Range:	Up to 30 m / 98 ft outdoors, up to 10 m / 33 ft indoors (depending on local conditions)
Microcontroller unit
CPU:	ESP-Shelly-C38F
Flash:	8 MB
Firmware capabilities
Webhooks (URL actions):	20 with 5 URLs per hook
Scripting:	Yes
MQTT:	Yes
CoAP:	No