Device identification
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Device name: Shelly 1 Mini Gen3
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Device model: S3SW-001X8EU
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Device SSID: Shelly1MiniG3-XXXXXX
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BLE model ID: 0x1015
Short description
Shelly1 Mini Gen3 is a small form factor smart switch with potential-free contacts, which allows remote control of electric appliances through a mobile phone, tablet, PC, or home automation system. It can work standalone in a local Wi-Fi network or it can also be operated through cloud home automation services. The device is an improved version of Shelly Plus 1 Mini with a more advanced processor and increased memory.
Shelly1 Mini Gen3 can be accessed, controlled and monitored remotely from any place where the User has internet connectivity, as long as the device is connected to a Wi-Fi router and the Internet.
It can be retrofitted into standard electrical wall boxes, behind power sockets and light switches or other places with limited space.
Shelly1 Mini Gen3 Mini has embedded Web Interface which can be used to monitor and control the device, as well as adjust its settings.
Main features
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Wi-Fi Connectivity: The device can connect to your home Wi-Fi network, allowing you to remotely monitor humidity and temperature data through a smartphone app or other compatible devices.
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Integration with Smart Home Platforms: You can integrate the Shelly 1 Mini Gen3 with popular smart home platforms, including Google, Alexa, and Samsung SmartThings. This enables voice control and automation capabilities through these platforms.
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Bluetooth Connectivity: Bluetooth and BLE gateway are available for inclusion purposes, which may be useful during the setup process.
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User-Friendly Interface: The device provides a user-friendly interface with a reset button for manual interactions.
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Improved Processor and Memory: Upgraded with an improved processor and increased memory for enhanced performance.
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Wireless Connectivity: The device supports Wi-Fi (802.11 b/g/n) and Bluetooth 4.2 protocols with specified indoor and outdoor range capabilities.
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Dry Contact: Allows switching on and off of lower voltage devices.
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BLE Gateway: Bridge between your Shelly BLU devices and the wider Shelly ecosystem. It receives Bluetooth signals and sends them to the cloud or locally to another non-bluetooth device.
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WiFi Range extender for IoT devices: A WiFi extender is employed to expand the reach of your WiFi network by receiving your current WiFi signal, enhancing its strength, and then transmitting the enhanced signal over a wider area.
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Scripting: https://shelly-api-docs.shelly.cloud/gen2/ComponentsAndServices/Script
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Wide range of integrations: The device can be integrated with 3rd party home systems, documented HTTP API, MQTT(s), Web Hooks over HTTP and HTTPS, UDP
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Schedules: Allows scheduling of complex operations to be executed in predefined time window. Users can specify time windows based on date, time of day, weekdays, hours, minutes and seconds.
Use cases
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Remote Appliance Control: Turn on or off electric appliances remotely using your mobile phone, tablet, PC, or home automation system.
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Internet-Connected Convenience: Access аnd control devices from anywhere with internet connectivity, as long as the Shelly 1 Mini Gen3 is connected to a Wi-Fi router.
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Space-Efficient Retrofitting: Retrofit the smart switch into standard electrical wall boxes, behind power sockets, light switches, or other locations with limited space.
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Home Automation: Shelly 1 Mini Gen3 enables automatic control of power appliances for more relaxing and enjoyable experience.
Integrations
Amazon Alexa supported capabilities
Yes
Google Smart Home supported traits
Yes
Samsung SmartThings supported capabilities
Yes
Simplified internal schematics
Device electrical interfaces
Inputs
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1 switch/button input on screw terminal
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1 potential-free contacts relay input on screw terminal
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2 power supply inputs on screw terminals: N and L
Outputs
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1 potential-free contacts relay output on screw terminal
Connectivity
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Wi-Fi
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Bluetooth
Safety function
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Overheating protection
Supported load types
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Resistive (incandescent bulbs, heating devices)
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Capacitive (capacitor banks, electronic equipment, motor start capacitors)
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Inductive (LED light drivers, transformers, fans, refrigerators, air-conditioners))
User interface
Inputs
Specifications
| Quantity | Value |
|---|---|
| Physical | |
| Size (HxWxD): | 29x34x16 ±0.5 mm / 1.34x1.11x0.63 ±0.02 in |
| Weight: | 19 ±1 g / 0.65 ±0.04 oz |
| Screw terminals max torque: | 0.4 Nm / 3.5 lbin |
| Conductor cross section: | 0.5 to 4 mm² / 20 to 11 AWG (solid, stranded, and bootlace ferrules) |
| Conductor stripped length: | 6 to 7 mm / 0.24 to 0.28 in |
| Mounting: | Wall box |
| Shell material: | Plastic |
| Shell color: | Blue, C-95%; M-53%; Y-0%; K-0% |
| Terminal Color: | Black |
| Environmental | |
| Ambient working temperature: | -20 °C to 40 °C / -5 °F to 105 °F |
| Humidity: | 30 % to 70 % RH |
| Max. altitude: | 2000 m / 6562 ft |
| Electrical | |
| Power supply: | 110 - 240 VAC |
| Relay: | Dry, NO contact, 1-pole, µ contact |
| Power consumption: | < 1.2 W |
| External protection: | Tripping characteristic B or C, |
| Output circuits ratings | |
| Max. switching voltage: |
|
| Max. switching current: |
|
| Max. output power: |
|
| Voltage protection / Cutoff: | No |
| Current protection / Cutoff: | No |
| Max power protection / Cutoff: | No |
| Sensors, meters | |
| Internal-temperature sensor: | Yes |
| Radio | |
| Wi-Fi | |
| Protocol: | 802.11 b/g/n |
| RF band: | 2401 - 2495 МHz |
| Max. RF power: | < 20 dBm |
| Range: | Up to 30 m / 100 ft indoors and 50 m / 160 ft outdoors |
| Bluetooth | |
| Protocol: | 4.2 |
| RF band: | 2400 - 2483.5 MHz |
| Max. RF power: | < 4 dBm |
| Range: | Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors |
| Microcontroller unit | |
| CPU: | ESP-Shelly-C38F |
| Flash: | 8 MB |
| Firmware capabilities | |
| Schedules: | 20 |
| Webhooks (URL actions): | 20 with 5 URLs per hook |
| Scripting: | Yes |
| MQTT: | Yes |
| UDP: | Yes |
| Advanced schedules: | Yes |
| KVS (Key-Value Store): | Yes |
Basic wiring diagrams
Legend
| Terminals | Wires | ||
|---|---|---|---|
| SW | Switch (controlling O) input terminal | L | Live (110 - 240 VAC) wire |
| O | Load circuit output terminal | N | Neutral wire |
| I | Load circuit input terminal | | |
| L | Live (110-240 V) terminal | | |
| N | Neutral terminal |
|
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Shelly Smart Control
Shelly Web user interface
Components and APIs
Compliance
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Shelly 1 Mini Gen3 multilingual EU declaration of conformity 2025-07-22.pdf
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Shelly 1 Mini Gen3 x2 UK PSTI ACT Statement of compliance.pdf
