SIRIUS contactors are used for controlling electric drives and motors. Their ruggedness and contact reliability ensure dependable switching, enabling compact control cabinet designs.

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The Siemens Industrial Controls Catalog offers fast, interactive product selection with IEC and NEMA controls, circuit breakers, switches, and more.

the development of the SIRIUS NEMA Rated contactor series. High service life, high contact reliability, and the option of using the contactors in the control cabinet at higher ambie

For controlling electric drives and motors, our contactors are a classic product with a decades-old operating principle interpreted in an up-to-date and future-driven way – generalists for controlling …

Note: MSPs and Contactors of the same frame size are made to easily fit together with the use of a link module or can be purchased pre-assembled as 3RA starter assemblies.