رله حفاظتی زیمنس مدل 7SA631.-…..-1AB1

DISTANCE PROTECTION RELAY 7SA63 OPERATOR PANEL WITH: BACK-LIT GRAPHIC DISPLAY FOR SINGLE-LINE DIAGRAM, CONTROL KEYS, KEY-OPERATED SWITCH, FUNCTION KEYS, NUMERICAL KEYS, PC-INTERFACE, TRIPPING 3-POLE PICKUP I>, VOLTAGE PROTECTION MEASURED VALUES EXTENDED (MIN,MAX,MEAN)