Switching actuator for DIN-rail mounting – 4 channels

Make up to four lights or devices smart at a later date with the Homematic IP switching actuator for DIN-rail mounting - 4-channel.

Switching actuator for DIN-rail mounting – 4 channels

Smartly expanded, smartly switched

Your outdoor lighting provides you with a special level of security in the evening and in the morning. It should be switched on at dusk and then switched off again at dawn. With the Homematic IP switching actuator for DIN-rail mounting, you can make up to four lights or devices smart: Switch your lighting automatically depending on sunrise and sunset or via time profiles. The actuator switches out of the control cabinet, which makes smart retrofitting or removal easy.!

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The intelligent actuator for any job

Up to four devices easily adapt to your everyday life and can be switched at any desired time; also depending on events such as sunrise or sunset.

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You can switch many conventional electrical devices or lights 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.

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Convenient installation

Connecting the actuator to rigid and flexible cables is particularly easy thanks to spring-loaded terminal.

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Even without adjustments, the function and wiring can be checked directly on the unit during installation. This is ensured by the illuminated display and the device keys.

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Certified with the VDE mark

This device is certified with the VDE mark, which attests to the product’s conformity with national and international standards and compliance with statutory safety requirements.

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Worldwide, the VDE mark on electrical products stands for protection and safety. Through comprehensive, neutral and independent testing of electrotechnical products, the VDE Institute is committed to their safety, electromagnetic compatibility and fitness for use. The VDE Institute also supports manufacturers’ investments in the quality of their products through its services.

Ten benefits of the VDE mark

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Suitable for many consuners

Matching consumers:

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  • Ohmic loads (16 A per channel)
  • Incandescent lamps (1500 W per channel)
  • Lamps with internal ballast (LED/ compact fluorescent lamp) (200 W per channel)
  • HV halogen lamps (1500 W per channel)
  • LV halogen lamps with electronic or iron core transformer (1500 W per channel)
  • Fluorescent lamps uncompensated or parallel compensated (1500 W per channel)
  • Electric radiators and electric heating systems (8 A, 200,000 switching operations per channel)
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The added value for a smart home

The actuator can be installed in the distribution cabinet. This makes it particularly suitable for extensions to your attic for example, or for retrofitting.

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In addition, the actuator provides three inputs that can be used to connect conventional pushbuttons for operating the lights in situ. How to replace traditional pulsed switching.

How to teach-in devices for light and shade control

Interested in the light and shade solution? This video shows how to teach-in a pluggable switch and shutter actuator for light and shade control. With the light and shade solution you can control the lightning specifically to your needs.

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 heating

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Save energy

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Use the app

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Connect devices together

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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. 

Homematic IP
With some smart home providers, you have to make a choice: Do you have everything wired, or do you go fully wireless? Some systems are also hermetically sealed and do not accept devices from other manufacturers. Here at Homematic IP, we have a different approach. We are guided by you!
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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.

Homematic IP Wired
A smart home system is particularly robust, interference-proof and reliable when the devices communicate with each other via wired connections. And data transmission is very fast with cables, too. That all comes together with Homematic IP Wired.
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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.

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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.

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Specialist tradespeople

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

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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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eQ-3 presents a comprehensively expanded portfolio
eQ-3 will be presenting the upcoming highlights of its Homematic IP smart home system at Light + Building 2026The company is expanding its product range with a fully integrated alarm system, introducing a smart solution for protection against water damage and adding intelligent lighting solutions, control elements and other automation components to its range.
08. March 2026

Order information

Product Name (Short)
HmIP-DRSI4
Item Number
154431A0
EAN Code
4047976544318

Technical data

Supply voltage
230 V~/50 Hz
Power consumption in standby
280 mW typ. (display lighting off)
Relay
NO contact, 1-pole, µ contact, bistable
Cable type and cross section
Rigid and flexible cable, 1.5-2.5 mm²
Degree of protection
IP20
Dimensions (W x H x D)
72 x 90 x 69 mm (4 TE)
Ambient temperature
-5 to +40 °C
Weight
221 g
Radio frequency
868.0-868.6 MHz/869.4-869.65 MHz
Typ. open area RF range
190 m
Function type
Switch actuator
Connection
Wireless
Current carrying capacity (device)
Σ 64 A
Switching voltage
230 V~
Installation
on mounting rail (DIN rail) according to EN 60715
Homematic IP User Guide

Version: July 2025

20.99 MB
Overview of Homematic IP QR Code Stickers
50.09 KB
Operating manual Switch Actuator for DIN rail mount – 4 channels

Short description: HmIP-DRSI4 | Product reference: 154431A0

6.58 MB
Datasheet Switch Actuator for DIN rail mount – 4 channels

Short description: HmIP-DRSI4 | Product reference: 154431A0

1.25 MB
Declaration of conformity Switch Actuator for DIN rail mount – 4 channels

Short description: HmIP-DRSI4 | Product reference: 154431AxA

145.93 KB