ANSI Code |
Description |
37 |
Under Current Protection |
46 |
Negative sequence 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 |
50H/NH |
Harmonic Blocking/Unbloking |
50SEF |
Sensitive Ground Over Current Protection |
64G |
High Impedance Restricted Earth Fault Protection |
50BF |
Breaker Failure |
49 |
Thermal Overload Protection |
50LR |
Locked Rotor Protection |
48 |
Prolong Start Protection |
66 |
Number Of Starts |
86 |
Lockout (Trip command) |