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 ...
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 Energy Management received an order from Bergenshalvøens Kommunale Kraftselskap (BKK Nett) in Norway to supply the world’s first SF 6-free GIS with “clean air” and vacuum interruption systems ...