The centerpiece of many medium-voltage components is the vacuum interrupter. As a pioneer in vacuum switching technology, Siemens has a comprehensive know-how. Our experience in the manufacturing of more than 5 million units confirm our technological competence. In our production facilities, state-of-the-art machines and production processes are used, whose quality standards and manufacturing precision meet or even exceed the requirements of ISO 9001 and ISO 14001. As a result, we develop and manufacture high-quality products with a long service life, and guarantee a reproducible and consistently high production quality at all times.