V57F-3AAA1BCA

V57F-3AAA1BCA

رله حفاظتی V57F-3AAA1BCA  که جهت حفاظت موتوری عرضه شده است .

رله فوق حاظتهای زیر را پوشش میدهد:

Overcurrent ANSI code: 50/51
Earth fault ANSI code: 50N/51N
Directional phase overcurrent ANSI code: 67
Directional earth fault ANSI code: 67N
Negative sequence/unbalance ANSI code: 46
Negative sequence overvoltage ANSI code: 47
Starts per hour ANSI code: 66
Phase undercurrent ANSI code: 37
Overvoltage ANSI code: 59
Neutral voltage displacement ANSI code: 59N
Undervoltage ANSI code: 27
Overfrequency ANSI code: 81H
Underfrequency ANSI code: 81L
Rate of change of frequency ANSI code: 81R
Recloser ANSI code: 79
Breaker failure ANSI code: 50BF
Synchro-check ANSI code: 25
Lockout ANSI code: 86