20 ABB
20. Selection and ordering data
The relay type and serial number label identifies
the protection relay. An order number label is
placed on the side of the relay. The order
number consists of a string of codes generated
from hardware and software modules of relay.
The serial number and order number label is
placed on side of relay.
Use the ordering key information in Fig. 5 to
generate the order number when ordering
complete protection relay.