Circuit Breaker Protection CSC-211(B+)
CSC-211(B+) is a dedicated circuit breaker protection IED designed for breaker-and-a-half and ring-bus configurations in conventional or digital substations. It provides complete protection for single-pole or three-pole circuit breakers and includes advanced features such as breaker failure protection, dead-zone protection, synchrocheck, auto-reclosing, overcurrent protection, earth-fault overcurrent protection，pole discrepancy protection，with high-speed operation, superior selectivity, and extensive programmable logic, the CSC-211(B+) delivers reliable, comprehensive protection tailored to complex medium- and high-voltage bus arrangements.
Comprehensive functionality including breaker failure protection, dead zone protection, synchrocheck, auto-reclose, overcurrent protection, earth overcurrent protection and pole discrepancy protection, etc.
For smart digital substation, in addition to two-stage breaker failure protection, CSC-211(B+) can issue a instantaneous re-tripping goose command
Wide range of supported protocols IEC 61850, IEC 60870-5-103, DNP3.0 and Modbus. And redundant communications with zero downtime using PRP protocol
Mixable Binary inputs & output relays / GOOSE inputs or outputs
Robust hardware with excellent EMC performance and IP54 protection under -40℃ to +70℃ operating temperature
