Shelly S4SW-001P8EU

1PM Mini Gen4

Device type

Smart Switch

Max power

0.996 W

Standby power

0.732 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 → S4SW-001P8EU.

Open in Home Assistant

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

Sub profile

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powercalc:
  sensors:
    - entity_id: light.my_light
      manufacturer: shelly
      model: S4SW-001P8EU

Library sensor documentation

Community usage

92 opted-in installations

1.74% of 5,296 reporting installationsOpt in to analytics

Device

Manufacturer: Shelly
Description: Smart Wi-Fi, Zigbee & Matter Relay with Power Monitoring
Aliases: Shelly 1PM Mini Gen4
+1 more
Form factor: In Wall
Connectivity: Zigbee, Wi-Fi, Matter, Bluetooth
Barcode: 3800238070809
Product page: shelly.com
Power monitoring: Yes

Power

Power range: 0.294 – 0.996 W

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: 20250520-083712/1.6.2-gc8a76e2
Measure settings: SAMPLE_COUNT: 200SLEEP_TIME: 0.5

Library

Created: Nov 29, 2025, 9:48 AM UTC
Updated: Aug 31, 2026, 12:33 PM UTC
Contributors: Michal Bartak
Discovery: Automatic, by entity
Only self usage: Yes

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Shelly S4SW-001P8EU

1PM Mini Gen4

Set up manually instead

Through the interface (recommended)

Or configure with YAML

Device

Power

Measurement

Library

Device

Power

Measurement

Library

1PM Mini Gen4

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)