Weißer Lichtschalter an Wand, dahinter unscharfer Flur mit Türöffnung.

Switch actuator and meter for brand switches

Switch all electrical appliances and lights the smart way, and track their power consumption in the app. You can do this with the switch actuator and meter for brand switches.

Switch actuator and meter for brand switches

Keeping an eye on electrical devices at all times.

Indoor and outdoor light shows cast a whole new light onto your home. The more extraordinary the better. The downside is that this also increases power consumption. But by how much exactly? When it comes to switching and measuring these light shows, Homematic IP helps you without compromising your design. Smart, quick and easy to retrofit, the actuator is invisibly built into your switch design. You can then keep an eye on the energy consumption of your lights at all times via the app.

Glühbirne mit Homematic IP Logo

The intelligent actuator for every eventuality

The devices easily adapt to your everyday life and can, for example, be switched at any desired time - even depending on events such as sunrise or sunset.

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You can switch almost all conventional electrical appliances as desired: grouped together, individually automated, via Homematic IP pushbuttons and remote controls, by voice command, directly on the device or via your smartphone - at home and when you're out and about.

Grafik mit Homematic IP Logo

Invisibly installed in the existing design

The compact design allows easy mounting in standard flush-mounted boxes. The screwless terminals make wiring particularly easy and secure.

Balkendiagramm

Power consumption under control

The switch actuator and meter quickly identifies power guzzlers in your household and switches on your devices only when they're needed.

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The measurement function records consumption values and evaluates the costs of connected electrical devices in the app.

360 Grad 3D

Our products in a new dimension.

Rotate the product in all directions, zoom in and experience it in three dimensions. This gives you a detailed picture of your favourite products.

Your advantages at a glance

Do you want to live more safely, save money and protect the environment, or simply increase your living comfort? There are many good reasons for a Smart Home. Find out more now!

Control lighting

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Deter burglars

Modernes weißes Haus mit Fenster, Schiebetür und Außenlampen am Weg
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Use the app

Lächelnder Mann hält Smartphone und gelbe Flasche in Wohnzimmer, unscharfer Hintergrund.
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Understand our products

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Homematic IP: Smart living. Simply exciting.

Homematic IP means modern, flexible and secure technology from the European market leader*. Let the advantages of our system win you over, and start living smarter straight away. 

Person auf Sofa hält Smartphone mit geöffneter Homematic IP App, gemütliches Wohnzimmer.

The Homematic IP app

Configure all settings for your smart home in the Homematic IP app, which you can use to control, regulate and monitor your devices at any time. No personal data is collected except for the IP address.

Always here for you and your queries.

Whether you have a question about a product, something isn’t working as you wanted, you’re looking for a specialist partner, or you simply want to give us feedback: we are always here to help.

FAQ

FAQs

This is where you’ll find the most important questions and our answers about our smart home solutions.

Service

Service

Have you purchased a Homematic IP product and now have questions about how it works? Our technical support team will be happy to help you.

Installateur Suche

Specialist tradespeople

Are you looking for a good specialist tradesperson near you? Simply use the convenient search function here on our website.

Händler Suche

Dealers

You can get Homematic IP products and good advice all over Germany. Find the right dealer near you here.

Innovations, ideas, impulses: your news

Get first-hand news about the latest innovative smart home solutions. 

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Order information

Product Name (Short)
HmIP-BSM
Item Number
142720A0
EAN Code
4047976427208

Technical data

Supply voltage
230 V/50 Hz
Current consumption
5 A max.
Power consumption in standby
0.2 W
Switching capacity
1150 W
Relay
Changeover contact
Load type
Ohmic load
Cable type and cross section
Rigid and flexible cable, 0.75 - 1.5 mm²
Degree of protection
IP20
Dimensions (W x H x D)
71 x 71 x 37 mm
Ambient temperature
5 to 35 °C
Weight
47 g
Radio frequency
868.0-868.6 MHz/869.4-869.65 MHz
Typ. open area RF range
240 m
Function type
Switch actuator
Connection
Wireless
Installation
Only in switch boxes (device boxes) in accordance with DIN 49073-1.
Homematic IP User Guide

Version: August 2026

8.09 MB
Overview of QR code stickers
1.46 MB
Data sheet Switch Actuator and Meter for brand switches

Short description: HmIP-BSM | Product reference: 142720A0

1.18 MB
Declaration of conformity Switch Actuator and Meter for brand switches

Short description: HmIP-BSM | Product reference: 142720AxA

96.59 KB