System Line

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    LineSystem LineSystem LineSystem Line
    Control and detection of switchgearsYesYesYes
    Control and supervision of a circuit breaker (remote or local)YesYesYes
    Current transformer inputs447
    Output relays1066
    Voltage transformer inputs444
    Watchdog relay111
    Auto reclosing AR [79]YesYesYes
    Differential protection: Generator [87G] - - Yes
    Differential protection: Line [87L] - Yes -
    Differential protection: Restricted earth fault [64REF] - - Yes
    Differential protection: Transformer [87T] - - Yes
    Directional time overcurrent protection [67]YesYesYes
    Earth fault directional feature [67N]YesYesYes
    Earth fault protection [50N/51N]YesYesYes
    Frequency protection [81O/U]Yes - Yes
    IEC 60870-5-103OptionalOptionalOptional
    Inrush stabilisation (2nd harmonic) - - Yes
    Modbus RTU ProtocolOptionalOptionalOptional
    Negative sequence protection [46]YesYes -
    Output relay matrixYesYesYes
    Parameter sets444
    Power direction [32/37]Yes - -
    Profibus DPOptionalOptionalOptional
    Programmable LogicYesYesYes
    Residual voltage [59N]YesYesYes
    Resistance earthed / solidly earthed [50N/51N]YesYesYes
    Sensitive EF isolated/compensated [50SN/51SN]YesYesYes
    Thermal replica [49]YesYesYes
    Time DateYesYesYes
    Time overcurrent protection [50/51]YesYesYes
    Trip- and auxiliary relays [86]YesYesYes
    Trip circuit resp. control circuit supervision [74TC]YesYesYes
    Voltage protection [27/59]YesYesYes
    Voltage transformer supervision [60FL]YesYesYes
    Disturbance recorderYesYesYes
    Event recorderYesYesYes
    Fault recorder (none volatile)YesYesYes


    All shown details without any guarantees!  We reserve the right of changes without prior notice.
    *Only the basic device structure is shown.  Differences in detail are possible.