Document revision history - 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 - IEC 61850 Engineering Guide - REX615 Protection and control - Relion Protection and Control - PCL2 - IEC - ANSI

Document revision/date	Product release	History
A/2024-03-20	PCL1	First release
B/2024-09-18	PCL1	Content updated
C/2026-02-25	PCL2	Content updated to correspond to the product connectivity level