Shelly S4SW-002P16EU

2PM Gen4

Device type

Smart Switch

Standby power

0.62 W

Sub profiles

View discovery and setup instructions for this profile.

Powercalc can discover this model automatically (by device). 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-002P16EU.

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: S4SW-002P16EU

Library sensor documentation

Community usage

34 opted-in installations

0.63% of 5,406 reporting installationsOpt in to analytics

Device

Manufacturer: Shelly
Description: Compact Smart Wi-Fi Relay with Power Monitoring
Aliases: Shelly 2PM Gen4
Form factor: In Wall
Connectivity: Wi-Fi, Bluetooth, Matter, Zigbee
Barcode: 3800238070748
Product page: shelly.com
Power monitoring: Yes

Power

Rated power: 1.4 W claimed
Maximum load: 2300 W

Measurement

Calculation strategy: Multi Switch
Measure device: Shelly Plug S Gen3
Measure method: Manual
Measure description: Measured with 33.7 W dummy load, averaged over 60 seconds. Multiple combinations of settings were tested. Firmware version 2.0.0.
Mains voltage: 230 V
Measure settings: VERSION: v0.6.0:app

Library

Created: Sep 10, 2026, 11:00 PM UTC
Updated: Sep 13, 2026, 10:57 PM UTC
Contributors: Maxik933
Discovery: Automatic, by device
Only self usage: Yes

Loading profile details…

Shelly S4SW-002P16EU

2PM Gen4

Set up manually instead

Through the interface (recommended)

Or configure with YAML

Device

Power

Measurement

Library

Device

Power

Measurement

Library

2PM 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)