Reading internal log files - Arc protection - Bay control and measurement - Merging unit - Transformer protection - 2 winding - Feeder protection - Voltage regulation - Capacitor bank protection - Grid automation - Busbar differential protection (high impedance) - Line differential protection - Back-up protection - Motor protection - Busbar protection (voltage and frequency) - Interconnection protection - Generator protection - Power management/Load shedding - Operation Manual - REX615 Protection and control - PCL2 - IEC - ANSI - 01.04.2026

When contacting ABB customer service, be prepared to send the relay’s internal log files for investigation. The files can be read via the WHMI’s Exporting report summary, see Exporting report summary.