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Shelly 1PM Mini Gen3

Device identification

  • Device name: Shelly 1PM Mini Gen3

  • Device model: S3SW-001P8EU

  • Device SSID: Shelly1PMMiniG3-XXXXXX

  • BLE model ID: 0x1016

Short description

Shelly 1PM Mini Gen3 is a small form factor smart switch with power measurement, 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 1PM Mini with with a more advanced processor and increased memory.

Shelly 1PM 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.

Shelly 1PM Mini Gen3 has embedded Web Interface which can be used to monitor and control the device, as well as adjust its settings.

Main features

  • Smart Switch with Power Measurement: Acts as a smart switch with the added capability of measuring power consumption, allowing you to monitor the energy usage of connected appliances.

  • Compact Design: Designed as a small form factor switch, making it suitable for retrofitting into standard electrical wall boxes, behind power sockets, light switches, or other confined spaces.

  • Remote Control: Enables remote control of electric appliances via a mobile phone, tablet, PC, or home automation system.

  • Local and Cloud Control: Can function independently in a local Wi-Fi network and can also be operated through cloud home automation services.

  • Improved Processor and Memory: Upgraded with an improved processor and increased memory for enhanced performance.

  • Remote Access: Allows remote access, control, and monitoring from any location with internet connectivity, provided the device is connected to a Wi-Fi router and the internet.

  • Embedded Web Interface: Features an embedded web interface for monitoring, control, and adjustment of settings.

  • 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.

  • Wi-Fi Range extender for IoT devices: A Wi-Fi extender is employed to expand the reach of your Wi-Fi network by receiving your current Wi-Fi signal, enhancing its strength, and then transmitting the enhanced signal over a wider area.

  • Scripting:

  • 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

  • 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

  • Appliance Control: Use it to remotely control and automate the operation of various electric appliances such as lights, fans, or other devices.

  • Power Monitoring: Monitor the power consumption of connected appliances in real-time. This is useful for understanding energy usage patterns and promoting energy efficiency.

  • Home Automation: Integrate the Shelly 1PM Mini Gen3 into your home automation system to create custom scenes and schedules for your devices.

  • Energy Efficiency: Leverage the power measurement feature to identify energy-hungry appliances and make informed decisions to improve overall energy efficiency in your home.

  • Remote Monitoring: Keep an eye on your devices even when you're away from home. The remote access feature allows you to monitor and control connected appliances from anywhere with internet connectivity.

  • Space-Constrained Installations: The compact design makes it suitable for retrofitting into standard electrical wall boxes, making it a good choice for installations with limited space.


Amazon Alexa supported capabilities


Google Smart Home supported traits


Samsung SmartThings supported capabilities


Simplified internal schematics

Shelly Plus 1PM Mini internal schematics

Device electrical interfaces


  • 1 switch/button input on screw terminal

  • 2 power supply inputs on screw terminals: N and L


  • 1 relay output with power measurement on screw terminal


  • 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 light drivers, transformers, fans, refrigerators, air-conditioners)

User interface


  • One (Control) button

    • Press and hold for 5 seconds to enable Device access point and Bluetooth connection.

    • Press and hold for 10 seconds to factory reset the Device.


  • LED (monocolor) indication

    • AP (Access Point) enabled and Wi-Fi disabled:
      1 second ON / 1 second OFF

    • Wi-Fi enabled, but not connected to a Wi-Fi network:
      1 second ON / 3 seconds OFF

    • Connected to a Wi-Fi network:
      Constantly ON

    • Cloud is enabled, but not connected:
      1 second ON /5 seconds OFF

    • Connected to Shelly Cloud:
      Constantly ON

    • OTA (Over the Air Update):
      ½ sec ON / ½ second OFF

    • Button pressed and held for 5 seconds:
      ½ second ON / ½ second OFF

    • Button presses and held for 10 seconds:
      ¼ second ON / ¼ second OFF

The list above starts with the initial device status and the lowest priority. Every next state cancels the previous one.





Size (HxWxD):

29x34x16 ±0.5 mm / 1.34x1.11x0.63 ±0.02 in


18 ±1 g / 0.63 ±0.04 oz

Screw terminals max torque:

0.4 Nm / 3.5 lbin

Conductor cross section:

0.2 to 2.5 mm² / 24 to 14 AWG (solid, stranded, and bootlace ferrules)

Conductor stripped length:

6 to 7 mm / 0.24 to 0.28 in


Wall box

Shell material:


Shell color:

Red, C-3%; M-100%; Y-70%; K-12%

Terminal Color:



Ambient working temperature:

-20 °C to 40 °C / -5 °F to 105 °F


30 % to 70 % RH

Max. altitude:

2000 m / 6562 ft


Power supply:

110 - 240 VAC


NO contact, 1-pole, µ contact

Power consumption:

< 1.2 W

External protection:

Tripping characteristic B or C,
max. 10A max. rated current,
min. 6 kA interrupting rating,
energy limiting class 3

Output circuits ratings

Max. switching voltage:

240 VAC

Max. switching current:

8A/240 VAC

Max. switching power:

2000 W

Power measurement:


Voltage protection / Cutoff:


Current protection / Cutoff:


Max power protection / Cutoff:


Sensors, meters

Internal-temperature sensor:




802.11 b/g/n

RF band:

2401 - 2495 МHz

Max. RF power:

< 20 dBm


Up to 30 m / 100 ft indoors and 50 m / 160 ft outdoors
(Depends on local conditions)




RF band:

2400 - 2483.5 MHz

Max. RF power:

< 4 dBm


Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors
(Depends on local conditions)

Microcontroller unit




8 MB

Firmware capabilities



Webhooks (URL actions):

20 with 5 URLs per hook







Advanced schedules:


KVS (Key-Value Store):


Basic wiring diagrams






Switch (controlling O) input terminal


Live (110 - 240 VAC) wire


Load circuit output terminal


Neutral wire


Live (110-240 V) terminal


Neutral terminal



Components and APIs


Shelly 1PM Mini Gen3 multilingual EU declaration of conformity.pdf

Shelly Mini 1PM Gen3 UK PSTI ACT Statement of compliance.pdf

Shelly Mini 1PM Gen3 x2 UK PSTI ACT Statement of compliance.pdf

Printed user guide

Shelly 1PM Mini Gen3 multilingual printed user and safety guide.pdf

Installation guides

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