Contents1. Description...........................................................32. Application...........................................................33. Preconfigurations.................................................54. Protection functions.............................................95. Control................................................................116. Measurement.....................................................117. Disturbance recorder..........................................118. Event log.............................................................119. Disturbance report.............................................1210. Circuit-breaker monitoring................................1211. Trip-circuit supervision......................................1212. Self-supervision.................................................1213. Fuse failure supervision.....................................1214. Current circuit supervision................................1315. Access control...................................................1316. Inputs and outputs............................................1317. Communication.................................................1518. Technical data...................................................1619. Front panel user interface.................................5520. Mounting methods............................................5521. Selection and ordering data..............................5722. Accessories.......................................................6124. Tools..................................................................6225. Supported ABB solutions..................................6426. Terminal diagrams.............................................6527. References........................................................6928. Functions, codes and symbols.........................6929. Document revision history.................................73DisclaimerThe information in this document is subject to change without notice and should not be construed as a commitment by ABB Oy. ABB Oy assumesno responsibility for any errors that may appear in this document.© Copyright 2011 ABB Oy.All rights reserved.TrademarksABB and Relion are registered trademarks of ABB Group. All other brand or product names mentioned in this document may be trademarks orregistered trademarks of their respective holders.Motor Protection and Control 1MRS756977 DREM630Product version: 1.1 Issued: 2011-05-182 ABB