SIEMENS Vacuum Circuit Breakers
Vacuum circuit breakers are employed for switching purposes in High Voltage (HV) applications. The base of the VF12 vacuum circuit breaker represents a vacuum arc-quenching chamber. When the contacts of the breaker are opened in the vacuum (10^-7 to ten^-5 torr), an arc is created amongst the contacts by the ionization of metal vapors of … Continue reading SIEMENS Vacuum Circuit Breakers
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