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Protection Functions
    • Busbar Differential Protection (87B)

    • BC/BS Dead Zone Fault Protection (50DZ)

    • BC/BS Dead Zone Differential Protection (87DZ)

    • Feeder Dead Zone Fault Protection (50DZ)

    • BC/BS Switch-onto-fault (SOTF) Protection (50SOTF)

    • Breaker Failure Protection (50BF)

    • Phase Overcurrent Protection (50/51P)

    • Earth Fault Overcurrent Protection (50/51G)

    • Phase Overvoltage Protection (59P)

    • Phase Undervoltage Protection (27P)

    • Overfrequency Protection (81O)

    • Underfrequency Protection (81U)

    • Frequency Rate-of-change Protection (81R)

    • External Binary Input Trip Busbar


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