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SION vacuum circuit-breakers control all standard switching tasks in medium-voltage distribution systems and are suited for installation in all air-insulated medium-voltage switchgear. These compact vacuum circuit-breakers are easy to install, and they stand out for their long service life.
The extensive SION vacuum circuit breaker portfolio includes a wide variety of pole-center distances and widths across flats in the 7.2 - to 24-kV range, as well as a number of specifications from standard circuit breakers for fixed mounting to complete plug-in modules. Identical compact dimensions and connection dimensions across several voltage levels reduce planning costs and the number of switchgear panel versions. All SION vacuum circuit breakers are highly reliable, and available. They are maintenance-free for up to 10,000 operating cycles.
SION 3AE5 vacuum circuit breakers are suited for all standard switching applications in medium-voltage power distribution and industrial networks: from switching load and short-circuit currents to connecting network or busbar sections. Retrofitting into existing switchgears is also easy, thanks to the wide variety of distances between pole centers and widths across flats, as well as an extensive range of mounting accessories. Their compact structure, with minimal depth and width dimensions, helps reduce the variety of panels needed. The wide range of panel versions also makes planning easier. The SION 3AE5 vacuum circuit breakers are available with an optional grounding switch for fixed mounting and plug-in versions.
The SION Lateral 3AE6 vacuum circuit breakers are specifically designed for low apparent power ratings in secondary medium-voltage power distribution. They reliably switch arcing faults and can be flexibly used in ring main units and transformer stations, and for retrofitting in transformer substations, wind turbines, and photovoltaic plants. The circuit breakers are available for different pole distances and for left-mounted or right-mounted drives. They are much more compact and lightweight than any comparable product. Therefore it saves space and is much easier to transport and install. Panel builders can choose from a variety of connection options to the high voltage contacts for an optimal busbar.
Downloads and Support
Here you will find important information, documents, and addresses relating to low-and medium-voltage power distribution
Ordering vacuum circuit-breakers
Learn, configure, then order: Detailed technical information on the SION vacuum circuit-breakers is available in the Industry Mall. You’re just a few clicks away from the right device for your air-insulated medium-voltage switchgear.