Contents1. Description..................................................................... 32. Application..................................................................... 33. Preconfigurations........................................................... 74. Protection functions......................................................125. Control......................................................................... 136. Measurement............................................................... 137. Disturbance recorder....................................................138. Event log...................................................................... 139. Disturbance report........................................................1310. Circuit-breaker monitoring........................................... 1311. Trip-circuit supervision.................................................1412. Self-supervision...........................................................1413. Fuse failure supervision............................................... 1414. Current circuit supervision........................................... 1415. Access control............................................................ 1416. Inputs and outputs...................................................... 1417. Communication...........................................................1518. Technical data.............................................................1719. Front panel user interface............................................ 5520. Mounting methods...................................................... 5521. Selection and ordering data.........................................5722. Accessories.................................................................5924. Tools........................................................................... 6025. Supported ABB solutions............................................ 6126. Terminal diagrams.......................................................6327. References..................................................................6528. Functions, codes and symbols.................................... 6629. Document revision history........................................... 69DisclaimerThe information in this document is subject to change without notice and should not be construed as a commitment by ABB. ABB assumes no responsibility for any errorsthat may appear in this document.© Copyright 2019 ABB.All rights reserved.TrademarksABB and Relion are registered trademarks of the ABB Group. All other brand or product names mentioned in this document may be trademarks or registered trademarksof their respective holders.Generator Protection and Control 1MRS757583 CREG630Product version: 1.32 ABB