Circuit breakers are used in nearly all electrical systems — from residential dwellings to electric utility facilities. We rely on them to protect our systems from damaging overcurrents and short ...
Erlangen, Germany, October 23, 2009 -- Siemens is meeting the steel industry's growing demand for every higher performance levels in melting down scrap metal by launching a refined medium-voltage ...
Siemens has launched a refined medium-voltage circuit-breaker. The 3AH4 vacuum circuit-breakers have an operating current of 4000 A for the 36-kV voltage level. It is the first vacuum circuit-breaker ...
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