Identifying relay's IEC 61850 version - 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 - 14.05.2025

REX615 Operation Manual

The relay's IEC 61850 version information identifies if the relay is configured as Edition 1 or Edition 2 device.

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    Figure 1. Identifying IEC 61850 version