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Breaker Time-Current Curve and Arcing Current: Short-Time vs. Instantaneous

A 400 A breaker curve with long-time, short-time (2400 A, 0.50 s) and instantaneous (4800 A) regions, with a 3,400 A low arcing current clearing in 0.50 s and an 18,000 A high arcing current clearing in 0.01 s, plus settings and how to read the chart.

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