SIRIUS Industrial Control Products

Simple. Reliable. Fully integrated into distributed systems.

Siemens USA with SIRIUS products offer you a unique comprehensive portfolio for every industrial control application. The major advantages: With their modular design, our products can be planned and built into a control cabinet in a very simple way. They are especially easy to integrate into distributed systems. In addition to their modular design, SIRIUS products are globally the most advanced and reliable on the market.

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SIRIUS Control

IEC Switching & Protecting

IEC Switching & Protecting Devices

Circuit breakers, switches, electronic overload relays - Siemens SIRIUS industrial controls .  The 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 switching, protection and monitoring devices in seven sizes up to 400 HP is ready for use.


Solid State Starting

Solid State Starters

Our motor starters, soft starters and load feeders for applications in the field are ideal for the configuration of distributed drive concepts for starting three-phase motors from 0,09 or up to 1200 kW. Furthermore, they are suitable for solid state switching devices for resistive loads. They are easily integrated into the automation environment and offer a high system transparency by providing a variety of available motor data. In addition, the motor starters feature the durable and energy-saving hybrid switching technology. 

SIRIUS Monitor

Monitoring, motor management, safety, communication

Monitoring Relays

SIRIUS Relays – One Range for Every Application


The portfolio of SIRIUS relays offers all components required for motor feeder applications from a single source. Whether you require compact timing or monitoring relays, particularly narrow coupling relays, plug-in relays, low-noise power relays or interface converters – our relay range is the most complete and comprehensive portfolio on the market. Convince yourself!

SIRIUS Command

Commanding and Signaling

Commanding and Signaling Devices

Every Situation under Control with Ease


Where people and machines exchange information, our SIRIUS commanding and signaling devices perform valuable services. The major advantages: All of our commanding and signaling devices have a compact design and can be mounted quickly and easily. Communication is done conveniently with AS-Interface. 

General Purpose

NEMA Switching & Protecting

NEMA Switching & Protecting Devices

Siemens NEMA starters, pump panels, lighting contactors and solid state soft starters are designed to help you meet your efficiency standard. General Purpose Motor Control offers rugged, reliable, flexible and safe performance. In an increasingly competitive marketplace, all of these factors are essential to success.

Circuit Protection

Breakers, Switches & Terminal Blocks

Circuit Protection

Siemens offers a wide array of thermal-magnetic circuit breakers that are the key element for overload and short-circuit protection of your home’s electrical system. To provide additional protection Siemens offers circuit breakers to protect against severe electrical shock or electrocution, mitigate the risk of electrical fires and protect against damaging surges and voltage spikes.

SIRIUS Highlights

SIRIUS Highlights

The complete portfolio at a glance

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More Information

Here you’ll find documents on our offerings as well as additional information.