Shelly Plug S MTR Gen3
Device Identification
- Device name: Shelly Plug S Gen3
- Device model: S3PL-00112EU
- Device SSID: ShellyPlugSG3-XXXXXXXXXXXX
- BLE ID: 0x1805
Short Description
The Shelly Plug S MTR Gen3 is one of the first Shelly devices to support Matter.
This smart plug/outlet features power measurement and overheating protection, enabling remote control of electrical appliances via smartphone, tablet, PC, or home automation systems. It operates standalone on a local Wi-Fi network or integrates with cloud-based home automation services.
The device can be accessed, configured, and monitored remotely from anywhere with internet connectivity, provided it remains connected to a Wi-Fi router and the Internet.
An embedded Web Interface allows users to monitor and control the device, as well as adjust its settings.
Main Features
- Matter support
- Next-generation Wi-Fi smart plug with multicolor LED indication
- Scripting (only supported when Matter is disabled)
- Wi-Fi range extender
- BLE gateway
- Power metering
- Schedules
- Wide compatibility with third-party home automation systems
- Local actions
- Optional Shelly Cloud / Shelly Smart Control app support
- Virtual Components
Use Cases
Seamlessly integrate with other Matter devices
Use with Apple devices (via Matter)
Use as a color night light:
- Night mode with customizable settings
- When enabled, reduces LED brightness during nighttime hours for undisturbed sleep
Prevent forgotten appliances from being left on:
- Monitor and control plugged-in devices with a few taps on your phone
- Built-in countdown timer and locally stored schedules automatically switch off devices after a set time (e.g., 1 hour), saving energy
- Ideal for irons, small ovens, electric heaters
Automate appliances to reduce energy waste:
- Schedule automatic power-off for unused devices during evenings and weekends
- Example: Turn off power between 7:00 PM and 7:00 AM on weekdays, and from Friday evening to Monday morning
- Reduces energy consumption by up to 50%, significantly lowering monthly electricity costs
- Suitable for small ovens, electric radiators, IR heaters
Air purifier that responds to outdoor pollution levels:
- Using scripting, fetch real-time air quality data from third-party sources
- Automatically turn on your air purifier when pollution levels rise
- Ideal for urban environments, especially during fall and winter months
Gentle night light for children’s rooms:
- Customize LED color and brightness for soft ambient lighting
- Create a calming environment for kids at night
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 Functions
- 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 drivers, transformers, fans, refrigerators, air conditioners)
User Interface
Inputs
- One push button
- Press once: Toggle output On/Off
- Press and hold for 3 seconds: Check status (only possible when output is Off)
- Press and hold for 5 seconds: Reboot (available within 60 seconds of power-up)
- Press and hold for 10 seconds: Factory reset (available within 60 seconds of power-up)
Outputs
- LED indication
- First-time power-up: Blue light flashing — indicates AP mode
- After successful Wi-Fi connection:
- Slowly flashing red light — reconnecting to Wi-Fi
- Constant red light — unable to reconnect to Wi-Fi
- Output is On:
- Default behavior (power-based color change):
- Green at 0% of set power limit
- Yellow at 50% of set power limit
- Red at 100% of set power limit
- Custom color (default: green, default brightness: 100%)
- Off
- Default behavior (power-based color change):
- Output is Off:
- Default: LED off
- Custom color (default: red, default brightness: 100%)
- During OTA update: Red light flashing
Specifications
| Category | Value |
|---|---|
| Physical | |
| Size (H×W×D) | 44 × 44 × 70 ±0.5 mm / 1.73 × 1.73 × 2.75 ±0.02 in |
| Weight | 60 ±1 g / 2.08 ±0.04 oz |
| Compatible sockets | CEE 7/1, CEE 7/3 (Type F / Schuko), CEE 7/5 (Type E) |
| Compatible plugs | CEE 7/2, CEE 7/4 (Type F / Schuko), CEE 7/7, CEE 7/16 (Type C), CEE 7/17 |
| Shell material | Plastic |
| Color options | 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 | 220–230 V~ 50/60 Hz |
| Power consumption | <1 W |
| Rated impulse-withstand voltage | 2500 V |
| Output circuits ratings | |
| Max. switching voltage | 230 V~ |
| Max. switching current | 12 A |
| Max. output power | 2500 W (resistive load only) |
| Number of switching cycles | 10,000 |
| 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 | 2401–2473 MHz |
| Max. RF power | <10 dBm |
| Wi-Fi range | Up to 50 m / 164 ft outdoors, up to 30 m / 98 ft indoors (varies by environment) |
| Bluetooth | |
| Protocol | 4.2 |
| RF band | 2402–2480 MHz |
| Max. RF power | <4 dBm |
| Range | Up to 30 m / 98 ft outdoors, up to 10 m / 33 ft indoors (varies by environment) |
| Microcontroller unit | |
| CPU | ESP-Shelly-C38F |
| Flash | 8 MB |
| Firmware capabilities | |
| Webhooks (URL actions) | 20 hooks, up to 5 URLs per hook |
| Scripting | Yes |
| MQTT | Yes |
| CoAP | No |
Shelly Smart Control
Shelly Web User Interface
Components and APIs
Compliance
- Shelly Plug S Gen3 Multilingual EU Declaration of Conformity 2025-07-25.pdf
- Shelly Plug S MTR Gen3 UK PSTI ACT Statement of Compliance.pdf
Compliance Archive
Printed User Guide
Installation Guides
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