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Protection and Control

    • Motor startup control function (MSC)

    • Current differential protection (87M)

    • Phase overcurrent protection (50/51P)

    • Earth fault overcurrent protection (50/51G)

    • Cold load pickup logic (CLP)

    • Negative-sequence overcurrent protection (50/51Q)

    • RMS overcurrent protection (50/51R)

    • Undercurrent protection (37)

    • Thermal overload protection (49)

    • Phase overvoltage protection (59P)

    • Positive-sequence overvoltage protection (59Pos)

    • Negative-sequence overvoltage protection (59Q)

    • Residual overvoltage protection (59G)

    • Phase undervoltage protection (27P)

    • Reverse power protection (32R)

    • Underpower protection (37P)

    • Power factor protection (55)

    • Overfrequency protection (81O)

    • Underfrequency protection (81U)

    • Frequency rate-of-change protection (81R)

    • Breaker failure protection (50BF)

    • Overtemperature protection (26)


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