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What is Understanding Time-Current Curves about?

Time-current curves graphically show the time it takes for an electrical circuit breaker to trip at a given current level. The graph uses logarithmic scales with current on the horizontal axis and time on the vertical axis. A example curve shows that a circuit breaker will trip within 0.6 seconds if current remains at 6 amps. The higher the current, the faster the breaker will trip. Time-current curves help determine overload and short circuit protection performance for circuit breakers.

Author

Sumit Verma

Language

EN