| ANSI Code |
Description |
| 27/59 |
Under and over voltage Protection |
| 32P |
Directional Power Protection |
| 37 |
Under current Protection |
| 46 |
Negative sequence Protection |
| 47 |
Phase reversal / Negative sequence over voltage Protection |
| 50 |
Instantaneous/Definite time phase over current Protection |
| 51 |
Inverse Time Phase Over current Protection |
| 50N |
Instantaneous/Definite Time Ground Over current Protection |
| 51N |
Inverse Time Ground Over current Protection |
| 64G |
High Impedance Restricted Earth Fault Protection |
| 50BF |
Breaker Failure |
| 55 |
Power factor Protection |
| 59N |
Residua over voltage Protection |
| 49 |
Thermal overload Protection |
| 50LR |
Locked rotor Protection |
| 48 |
Prolong start Protection |
| 66 |
Number of starts |
| 81 |
Frequency Protection |
| 86 |
Lockout (Trip command) |
