رله حفاظتی زیمنس مدل 7SA612.-…..-1AB1

DISTANCE PROTECTION RELAY 7SA61 OPERATOR PANEL WITH: 4-LINE BACK-LIT DISPLAY, FUNCTION KEYS,NUMERICAL KEYS, PC-INTERFACE, TRIPPING 3-POLE PICKUP I>, VOLTAGE PROTECTION MEASURED VALUES EXTENDED (MIN,MAX,MEAN)