Application - ABB REX 521 Technical Reference Manual, Standard Configurations

1MRS 751802-MUM
3.3.2.2.
Protection Relay
Technical Reference Manual, Standard Configurations

Application

The H02 standard configuration for the REX 521 is designed to be used in single
busbar systems using one circuit breaker for selective directional and non-
directional short-circuit protection, directional and non-directional time-overcurrent
protection, directional earth-fault protection and automatic reclosing.
For more detailed information about the standard configuration please refer to the
application example of the standard configuration H02 on page 172.
REX 521
35