Exchanging Protection Relay - ABB RELION REX640 Installation Manual
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Also See for RELION REX640:
- Technical manual (1960 pages) ,
- Operation manual (164 pages) ,
- Engineering manual (156 pages)
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Removing, repairing and exchanging
7.5
Exchanging protection relay
• To exchange the protection relay with another identical unit, remove the
protection relay and install the new one.
The exchangeable units can be found in the PartsOnLine system, see
www.abb.com/partsonline
94
. Use of PartsOnLine requires user registration.
Check with your local ABB if the protection relay can be upgraded.
1MRS759115 E
REX640
Installation Manual
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