Rauscher & Stoecklin

Rauscher & Stoecklin is a well-established and experienced manufacturer of electrical products and components for almost 100 years.
The products in the portfolio range from distribution and special transformers up to 2500kVA over switches for railway electrification and high current connectors.

Rauscher & Stoecklin Homepage


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The company SERW is a long-time producer of disconnectors and earthing switches for voltages from 1kV to 420 kV as well as circuit breakers for medium voltage applications.

As a partner, SERW can support from the beginning of the project; starting with technical support during design and construction of the substation all the way to installation & commissioning and other life cycle services.

SERW Homepage


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ZREW Transformatory

ZREW Transformatory S.A. is manufacturing transformers with power ratings up to 125MVA and a voltage level up to 170kV.

The range of products include power transformers for distribution networks substations, generator transformers for power and combined heat and power plants as well as special transformers for industrial applications.

Besides the manufacturing of transformers, ZREW can also support on repair, upgrade and full diagnostic services for power transformers.

ZREW Homepage


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Tesar is a leading manufacturer of cast resin transformers up to 20MVA / 52kV and oil immersed distribution transformers up to 10MVA / 36kV with manufacturing sites in Italy, Poland, UAE and Argentina. The transformers can be used for distribution and industrial networks as well as special applications.

In addition, Tesar is also manufacturing metering transformers for voltage levels up to 36kV.

Tesar Homepage