Siemens sichert Verteilnetz von UK Power Networks / Siemens protects UK Power Networks' distribution grid Siemens has received an order from distribution network operator, UK Power Networks, to equip ...

Upgrades to Meet the Latest ANSI Standards: A major improvement in circuit breaker design is that vacuum circuit breakers are operating with the voltage factor K=1, which means that the interrupting ...

Siemens has developed two new compact vacuum circuit breakers for rated voltages of 12 kV and 24 kV. Siemens has developed two new compact vacuum circuit breakers for rated voltages of 12 kV and 24 kV ...

Munich – Schaltbau has introduced a special innovation for AC-driven electric locomotives and multiple units: an AC vacuum circuit breaker that can almost do without any secondary supply energy for ...

Australian steelmaker InfraBuild has modernised its melt shop with new ABB VD4-AF vacuum circuit breakers to provide backup ...

ABB developed the VD4-AF circuit breaker specifically to provide a high-quality, reliable solution for electric arc furnaces.