Section 7
Removing, repairing and exchanging
7.4
7.5
80
Sending protection relay for repair
•
In case of product problems, contact the nearest ABB office or representative for
consultation and instructions.
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. Use of PartsOnLine requires user registration.
Check with your local ABB if the protection relay can be upgraded.
1MRS759115 A
REX640
Installation Manual