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Shelly S3SW-001P16EU

1PM Gen3

Device type
Smart Switch
Max power
0.87 W
Standby power
0.62 W
Sub profiles
4

Through the interface (recommended)

Start the Powercalc config flow, choose Virtual power (library), and pick Shelly → S3SW-001P16EU.

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-001P16EU
Library sensor documentation
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Device

Manufacturer
Shelly
Description
Compact Smart Wi-Fi Relay with Power Monitoring
Aliases
Shelly 1PM Gen3
Form factor
In Wall
Connectivity
Wi-Fi, Bluetooth, Matter
Barcode
3800235261798
Product page
shelly.com
Power monitoring
Yes

Power

Power range
0.29 – 0.87 W
Rated power
1.2 W claimed
Maximum load
3680 W

Measurement

Calculation strategy
Fixed
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 2, 2026, 10:00 PM UTC
Updated
Authors
Maxik933
Discovery
Automatic, by entity
Only self usage
Yes