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Once the is complete, follow this installation guide:

Properly setting these curves ensures that in the event of a fault, only the protection device immediately upstream trips. This "selective coordination" minimizes downtime by leaving the rest of the system energized—a critical requirement for hospitals, data centers, and industrial plants.

Security and safety considerations

Choose the specific curve type (Time-current LLL, LL, LN, or Phase-Earth). Setting Adjustment: Fine-tune the trip unit settings.