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 ...
Siemens Infrastructure & Cities’ Low and Medium Voltage division has released the new type SDV7-MA distribution circuit breaker that provides a magnetic-actuator operator as an alternative to the ...
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