Exchanging Protection Relay - ABB Relion 611 Series Installation Manual

1MRS757452 D
6.5
611 series
Installation Manual

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.
Removing, repairing and exchanging
Section 6
47