6.5
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 from the PartsOnLine system, see
www.abb.com/partsonline
. Use of PartsOnLine requires user registration.
•
To exchange a protection relay to a different unit, change the case and connect the
wires.
1MAC457436-IB B
Section 6
Removing, repairing and exchanging
620 series ANSI
55
Installation Manual