Vacuum circuit breakers are generally operated with an operating mechanism with smaller operating energy as compared with those of other types of circuit breakers, because the vacuum interrupter employs disc-shaped “butt” contacts instead of finger-shaped contacts often used for SF6 gas interrupter.
CITATION STYLE
Smeets, R. (2019). Vacuum Circuit Breakers (pp. 239–270). https://doi.org/10.1007/978-3-319-72538-3_7
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