Removing transport packaging - Arc protection - Auto synchronization - Bay control and measurement - Merging unit - Transformer protection - 2 winding - Feeder protection - Voltage regulation - Capacitor bank protection - Petersen Coil control - Grid automation - Busbar differential protection (high impedance) - Back-up protection - Motor protection - Busbar protection (voltage and frequency) - Transformer protection - 3 winding - Interconnection protection - Generator protection - Power management/Load shedding - Installation Manual - REX640 Protection and control - Relion Protection and Control - PCL4 - IEC - ANSI - 16.02.2023

REX640 Installation Manual

Protection relays require careful handling.

  1. Examine the delivered products to ensure that they have not been damaged during the transport.
  2. Remove the transport packaging carefully without force.
  3. Attach the protective cover (supplied with the relay) on the top side of the relay for the installation phase.
Figure 1. Attaching the protective cover on the top of the relay
image/svg+xml
Tip: The cardboard packaging material is 100% recyclable.