Ritter heavy current engineering with medium-voltage vacuum circuit-breaker SION from Siemens

Innovation put to the test

SION medium-voltage vacuum circuit-breakers from Siemens operate safely even beyond the requirements according to IEC62721-100? A Dutch energy network operator wanted to be on the safe side and conducted a switching capacity test in the switchgear environment before signing another framework agreement with its supplier, Ritter Starkstromtechnik.