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{{todo}}
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! Function !! Description
|-
| 7      || Sudden Change In Phase/Residual Current Protection
|-
| 21     || Line Distance
|-
| 21G    || Ground Distance
|-
| 21P    || Phase Distance
|-
| 24     || Overexcitation (Volts per Hertz)
|-
| 25     || Synchrocheck
|-
| 25A    || Automatic Synchronizing
|-
| 26     || Overload
|-
| 27     || Undervoltage
|-
| 27N    || Ground Fault Undervoltage
|-
| 27P    || Phase Undervoltage
|-
| 27X    || Auxiliary Undervoltage
|-
| 32     || Power
|-
| 37     || Undercurrent
|-
| 40     || Loss Of Field
|-
| 46     || Phase Balance Current / Current Plausibility Check
|-
| 46N    || Negative Sequence Overcurrent
|-
| 47     || Phase Sequence Voltage
|-
| 47N    || Negative Sequence Voltage
|-
| 49     || Thermal
|-
| 50     || Instantaneous Overcurrent
|-
| 50BF   || Breaker Failure
|-
| 50DD   || Adaptive Fault Detector
|-
| 50G    || Ground Instantaneous Overcurrent
|-
| 50N    || Neutral Instantaneous Overcurrent
|-
| 50P    || Phase Instantaneous Overcurrent
|-
| 50_2   || Negative Sequence Instantaneous Overcurrent
|-
| 51     || Time Overcurrent
|-
| 51G    || Ground Time Overcurrent
|-
| 51N    || Neutral Time Overcurrent
|-
| 51P    || Phase Time Overcurrent
|-
| 51_2   || Negative Sequence Time Overcurrent
|-
| 51/27C || Voltage Controlled Time Overcurrent
|-
| 51/27R || Voltage Restrained Time Overcurrent
|-
| 52     || AC Circuit Breaker
|-
| 59     || Overvoltage
|-
| 59N    || Neutral Overvoltage
|-
| 59P    || Phase Overvoltage
|-
| 59X    || Auxiliary Overvoltage
|-
| 60     || Voltage Balance
|-
| 60FL   || Voltage Transformer Supervision
|-
| 64F    || Field Ground
|-
| 64G    || 100% Stator Ground Inputs
|-
| 67     || Ac Directional Overcurrent
|-
| 67N    || Neutral Directional Overcurrent
|-
| 67P    || Phase Directional Overcurrent
|-
| 67_2   || Negative Sequence Directional Overcurrent
|-
| 68     || Power Swing Blocking
|-
| 74TC   || Trip Circuit / Control Circuit Supervision
|-
| 78     || Out-of-Step / Pole Slip
|-
| 79     || Automatic Recloser
|-
| 81     || Frequency
|-
| 87     || Differential Protective
|-
| 87B    || Bus Differential Protective
|-
| 87L    || Segregated Line Current Differential
|-
| 87T    || Transformer Differential Protective
|-
| 87N    || Low Impedance Differential Protection
|-
| 87V    || Voltage Differential Protection
|-
| 90     || Transformer Control
|}

[[Category:Information]]