رله حفاظتی زیمنس مدل ….-…7SA5221-.R

FULL SCHEME DISTANCE PROTECTION RELAY, CURRENT TRANSFORMER: PHASE=1A,GROUND=1A (MIN=0,05A) SURFACE-MOUNTG.HOUSING 1/1X19″, 24 BI, 24 BO, 3 FAST RELAYS, 5 HIGH-SPEED TRIP OUTPUTS