Identifying the device in local HMI - 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 - 30.10.2025

REX615 Operation Manual

The Information menu includes detailed information about the device, such as revision and serial number.

  1. Select Main menu > Information.
  2. Select a submenu with and .
    Figure 1. Selecting a submenu
  3. Enter the submenu with .
  4. Browse the information with and .
    Figure 2. Protection relay information