Shelly S3SW-001X16EU

1 Gen3

Device type

Smart Switch

Max power

1.332 W

Standby power

1.087 W

Sub profiles

View discovery and setup instructions for this profile.

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

Community usage

47 opted-in installations

0.89% of 5,296 reporting installationsOpt in to analytics

Device

Manufacturer: Shelly
Description: Smart Wi-Fi Relay Switch with Dry Contacts
Aliases: Shelly 1 Gen3
+1 more
Form factor: In Wall
Connectivity: Wi-Fi, Bluetooth
Barcode: 3800235261767
Product page: shelly.com
Power monitoring: No

Power

Power range: 0.3045 – 1.332 W
Rated power: 1.2 W claimed

Measurement

Calculation strategy: Fixed
Measure device: Shelly PM Mini Gen3
Measure method: Manual
Measure description: The measured device fw: 1.7.1. The result represents the average value of measurements collected from the measuring device API for the following scenarios: dumb device/baseline consumption (~3.8W) and several device configurations. See sub-profiles.
Mains voltage: 230 V
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 31, 2026, 12:33 PM UTC
Contributors: Michal Bartak
Discovery: Automatic, by entity

Loading profile details…

Shelly S3SW-001X16EU

1 Gen3

Set up manually instead

Through the interface (recommended)

Or configure with YAML

Device

Power

Measurement

Library

Device

Power

Measurement

Library

1 Gen3

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

Power

Measurement

Library

Device

Power

Measurement

Library

Through the interface (recommended)