رله حفاظتی زیمنس مدل 7SA612.-…..-…3

DISTANCE PROTECTION RELAY 7SA61 OPERATOR PANEL WITH: 4-LINE BACK-LIT DISPLAY, FUNCTION KEYS,NUMERICAL KEYS, PC-INTERFACE, EARTH-FAULT DETECTION, COMPENSATED/ISOLATED NETWORKS MEASURED VALUES EXTENDED (MIN,MAX,MEAN)