ANSI NORM LİSTESİ
| 2 | Time delay starting or closing relay |
| 3 | Trip circuits monitoring |
| 21 | Distance protection |
| 25 | Synchrocheck |
| 27 | Undervoltage function |
| 27R | Additional undervoltage function |
| 37 | Undercurrent detection |
| 46 | Unbalance negative sequence current protection |
| 47 | Voltage unbalance protection |
| 49 | Thermal image |
| 50 | Phase instantaneous overcurrent function |
| 50C | Transformers tank protection |
| 50FA | Instantaneous overcurrent with harmonics restrain |
| 50N | Neutral / Ground Instantaneous overcurrent function |
| 50Ns | Sensitive neutral instantaneous overcurrent function |
| 50N/50Ns | Sensitive neutral instantaneous overcurrent unit |
| 50Nd/51Nd | Neutral unbalance (WYE connection) |
| 50d/51d | Current unbalance in double WYE Capacitor banks |
| 50s+62 | Circuit breaker failure protection |
| 51 | Phase overcurrent function |
| 51N | Neutral overcurrent function |
| 50N/51Ns | Neutral/Sensitive neutral time overcurrent |
| 51RB | Protection against blocked rotor |
| 59 | Overvoltage function |
| 59N | Zero sequence overvoltage function |
| 64 | Ground faults protection |
| 66 | Excessive number of start ups (motors) |
| 67 | Directional phase overcurrent |
| 67N | Directional neutral overcurrent |
| 67NA | Directional zero sequence overcurrent (Isolated neutral networks) |
| 79 | Recloser |
| 81 M/m | Over/under frequency |
| 87 | Differential protection |
| 95 | Special neutral overcurrent function |
| 95N | Special neutral overcurrent function. |