1MRS751802-MUM
REX 521
149
Protection Relay
Technical Reference Manual, Standard Configurations
9.2.2. Measurement connections
The three-phase current transformers are connected to the connector X1.1 on the rear
panel. The rated currents of the measuring input are 1 A and 5 A.
Fig. 9.2.2.-1 Connection diagram of the B01 for protection of an incoming
feeder and as back-up protection of the outgoing feeders
The technical data of the current transformers are set via the Relay Setting Tool or
the local HMI. The settings can be found in
Main menu\Configuration\Meas. devices\. Refer to
Technical
Reference Manual, General
(see Section 1.5. Related documents) for further
information about how to set the rated currents.
9.2.3. Protection
All the necessary settings for the protection functions can be set by means of the
Relay Setting Tool or the local HMI. The settings can be found in
Main menu\Protection\.
REX 521
IncProt
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