رله حفاظتی زیمنس مدل ….-…7SA5221-.U

FULL SCHEME DISTANCE PROTECTION RELAY, CURRENT TRANSFORMER: PHASE=1A,GROUND=1A (MIN=0,05A) FLUSH-MOUNTG. HOUSING 1/1 X 19″ 22 BI, 37 BO, 7 FAST RELAYS