ABB SPAC 315 C User Manual And Technical Description page 3

Features
Complete feeder terminal with a three-phase
two-stage overcurrent unit and a two-stage non-
directional earth-fault unit
Definite time or inverse definite minimum time
(IDMT) operation characteristic for the low-set
stage of the overcurrent unit and the earth-fault
unit
Instantaneous or definite time operation char-
acteristic of the high-set stage of the overcurrent
unit and the earth-fault unit
Continuous monitoring of energizing input
current circuits
Continuous circuit breaker trip circuit supervi-
sion
User-configurable feeder level interlocking sys-
tem for preventing unpermitted switching op-
erations
Local and remote status indication of three
switching objects
Complete control module for local/remote con-
trol of one switching object
Double-pole circuit-breaker control for addi-
tional operational safety
Large library of pre-designed mimic diagram
plates for presentation of the selected circuit-
breaker/disconnector configuration
Phase current, energy, active and reactive power
measurement and indication
Serial interface for connection of the feeder
terminal to a substation level and network
control level systems
Continuous self-supervision for maximum sys-
tem reliability and availability.
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