Quotation and ordering - 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 - Modification Sales Guideline - REX640 Protection and control - PCL5 - IEC - ANSI - 14.03.2025

REX640 Modification Sales Guideline

A quotation for the planned modification can be requested from Relays-Online or requested via the local ABB channel or directly from the factory sales representative. The following information must be included in the request:
  • Relay serial numbers
  • Detailed description of the planned modification for each serial number separately

https://relays.protection-control.abb/

Based on the received information, ABB verifies the feasibility of the requested modification and prepares a quotation.

Note: If installation and verification of the modification is also needed, contact the nearest ABB representative for a turnkey delivery of modification.