Flair 21D, 22D, 23DV Auto-Adaptive Fault Passage Indicators Technical Memo

This technical memo describes Schneider Electric's auto-adaptive Fault Passage Indicators (FPIs) for medium voltage distribution networks, which automatically set thresholds based on service current to detect faults without manual configuration. It highlights the Flair 21D, 22D, and 23DV models, emphasizing their ease of installation, cost-effectiveness, and the Flair 23DV's unique voltage-based fault validation and remote communication capabilities for improved network restoration.