The SION circuit breaker family includes a wide variety of applications, from general primary and secondary distribution purposes to demanding generator switching applications. Compact design and high modularity make SION your perfect choice when it comes to sustainable solutions with a small footprint and optimal integration for your medium-voltage switchgear.

SION products offer you an exceptional variety of connection options, using combinations of pole-center distances and vertical distances between the terminals and a modular system of installation components for complete withdrawable solutions.

Identical compact dimensions and connection dimensions across the voltage levels reduce planning costs and the variety of switchgear panels needed. All SION vacuum circuit breakers are highly reliable and maintenance-free for up to 10,000 operating cycles.