Industrial Controls – efficiently combined


The SIRIUS Modular System – Products for any application, in any market, anywhere in the world.

The innovative SIRIUS Modular System offers the largest available switching device portfolio in the market, with more than 50,000 tested and approved combinations. A completely new generation of motor circuit protectors, contactors, overload relays and combination starters in seven sizes up to 400 HP.


The benefit of the modular system lies in its modular set-up of the components across all sizes. Everything fits together. The SIRIUS Modular System combines digital planning and a standard-compliant implementation for your requirement, regardless of the application or location. Comprehensive planning tools, consulting expertise, and tested product combinations will assist you in the transition from the digital twin to actual control cabinet construction.

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The modular system in detail

Efficient switching, protection, control, and monitoring of motors

Globalization and market flexibility puts pressure on industry for increased speed in reaction to market changes. These changes necessitate system transparancy and complete monitoring of processes. These pressures on industry have sparked the trend towards digitalization. Many have questions on what technologies should be used for starting and monitoring motors? Are there any tips and tricks for planning control cabinets more efficiently, while still complying with the standards? Siemens SIRIUS Modular System provides solutions for today's marketplace challenges.

The digital and real worlds are converging with the SIRIUS modular system.

Perfect combination of the right switching devices

With the SIRIUS Modular System’s combination options, you can create your own custom solution for your specific application. The strength of the system lies in its modular construction covering all sizes, the functionality of the devices for a multitude of applications, and comprehensive, standard-compliant planning. This facilitates your procedures and speeds up your planning processes.

Efficiently wiring switching devices

What connection technology do you use for your switching devices? Have you tried spring-type technology? Why not compare conventional screw-type technology with the latest spring-type technology now? We show you how to connect your switching devices and install them quickly, error-free.


The SIRIUS modular system at a glance
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Achieving your goal more quickly

A question of the combination

Every control panel engineering job has different requirements, every market has different rules, and every project has different workflows. Therefore it’s important to be able to react flexibly and dynamically.

The SIRIUS Modular System at a glance
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Everything to know

Everything you need to know, always in view

In this age of digitalization you face a constant flow of communications. Here’s where you can get all the important information you need and how you can optimize your control panel engineering.

Case Study: the SIRIUS Modular System

See application examples and sector-specific solutions that may be of interest to you, too.
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