Skip to main content
Skyline of a city with a prominent building in the foreground and a sunset in the background.
VACUUM SWITCHING TECHNOLOGY

Medium-voltage products

Discover the core components at the heart of every medium-voltage air- or gas-insulated indoor or outdoor switching application. Our comprehensive portfolio of vacuum switching technology enables sustainable and reliable power distribution and complies with all international standards.

EFFICIENT POWER SUPPLY

Switching technology to energize today and tomorrow

Committed to enable a safe electrical infrastructure for industries and communities all around the world, we are leveraging 50 years of excellence in vacuum technology, proven products and expert end-to-end support.

By using vacuum as a switching technology, our products can safely control any medium-voltage switching duties, which is key for a safe network operation and sustainable infrastructure. Our curious engineer's spirit allows us to drive innovation and shape the future of electricity grids.

Designed to last and always work reliably, our circuit-breakers, contactors and arc protection systems are the most important assets for a safe and sustainable distribution of electricity via medium-voltage networks.

Benefits

Trusted Core

Vacuum interrupters and proven components at the fundamental heart of all your switching applications.

Always On

Maximized availability to keep your operations safe and running

Global Reach

Engineered and manufactured worldwide to serve local customer needs with expert end-to-end support.

Explore products

Control all general switching duties with innovative vacuum technology that delivers reliable, maintenance-free performance for all SION system components. Our circuit-breakers and contactors can be used in almost all MV power distribution applications and can be adapted for specific requirements.

Sustainable energy distribution with SION

Innovative vacuum technology makes SION circuit breakers robust, compact and sustainable. Siemens Product Manager Daniel Pröhl provides insights into SION circuitbreaker technology.

Discover the possibilities