What are the features of SF6 Circuit Breaker?
A. Low dielectric strength Use the high-pressure interrupting current to reduce the arc pressure.
B. Low dielectric strength Use low-pressure arc-resistant interrupting currents
C. High dielectric strength Use high-pressure compression quenching to withstand high interrupting currents.
D. High dielectric strength Use low-pressure arc-resistant interrupting currents
Show Answer
Answer: C
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