Physics · Switchgear and Protection
How is arcing time defined in a circuit breaker?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The time interval between fault inception and arc inception across the contacts of a circuit breaker.
- 2The time from fault inception to final arc extinction.
- 3The time interval from the opening of the circuit breaker contacts to the final extinction of the arc.✓
- 4The transient time between the opening and closing of circuit breaker contacts.
Correct answer
The time interval from the opening of the circuit breaker contacts to the final extinction of the arc.
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