ELRO SF40GA

Connects K1 Connector

Device type

Generic IoT

Max power

1.06 W

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 ELRO → SF40GA.

Open in Home Assistant

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

powercalc:
  sensors:
    - entity_id: light.my_light
      manufacturer: elro
      model: SF40GA

Library sensor documentation

Community usage

1 opted-in installation

0.02% of 5,304 reporting installationsOpt in to analytics

Device

Manufacturer: ELRO
Description: Smart home gateway with a built-in siren for connecting ELRO Connects devices to the ELRO Connects app.
Connectivity: Wi-Fi
Barcode: 8719699342361
Product page: elrob2b.eu

Power

Power range: 1.06 – 1.06 W

Measurement

Calculation strategy: Fixed
Measure device: Zhurui PR10
Measure method: Manual
Measure description: Measured manually taking average power over 1 day
Mains voltage: 230 V

Library

Created: Aug 31, 2026, 6:36 AM UTC
Updated: Sep 13, 2026, 9:41 AM UTC
Contributors: Bram Gerritsen
Discovery: Automatic, by device

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ELRO SF40GA

Connects K1 Connector

Set up manually instead

Through the interface (recommended)

Or configure with YAML

Device

Power

Measurement

Library

Device

Power

Measurement

Library

Connects K1 Connector

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)