Shelly S3SW-001X16EU

1 Gen3

Device type

Smart Switch

Sub profiles

16

Community usage

44 opted-in installations

0.88% of 5,001 reporting installations

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Powercalc can discover this model automatically (by entity). Look for a discovery prompt in Home Assistant and accept it to create the sensors. About discovery

Through the interface (recommended)

Start the Powercalc config flow, choose Virtual power (library), and pick Shelly → S3SW-001X16EU.

Open in Home Assistant

Add this to your configuration.yaml, replacing light.my_light with your own entity.

Sub profile

Loading sub profiles…

powercalc:
  sensors:
    - entity_id: light.my_light
      manufacturer: shelly
      model: S3SW-001X16EU

Library sensor documentation

Device

Manufacturer: Shelly
Description: Smart Wi-Fi Relay Switch with Dry Contacts
Aliases: Shelly 1 Gen3
Shelly S1G3

Measurement

Calculation strategy: Fixed
Measure device: Shelly PM Mini Gen3
Measure method: Manual
Measure device firmware: 20250924-062710/1.7.1-gd336f31
Measure settings: SAMPLE_COUNT: 200SLEEP_TIME: 0.5

Library

Created: Jan 15, 2026, 10:15 AM UTC
Updated: Aug 23, 2026, 7:52 AM UTC
Authors: Michal Bartak
Discovery: Automatic, by entity

Shelly S3SW-001X16EU

1 Gen3

Smart Switch

16

44 opted-in installations

Set up manually instead

Through the interface (recommended)

Or configure with YAML

Device

Measurement

Library

1 Gen3

Smart Switch

16

44 opted-in installations

Set up manually instead

Through the interface .css-bxmwoh{margin:0;font-family:"Roboto","Helvetica","Arial",sans-serif;font-weight:400;font-size:0.875rem;line-height:1.43;letter-spacing:0.01071em;}(recommended)

Or configure with YAML

Or configure with YAML

Device

Measurement

Library

Through the interface (recommended)