رله حفاظتی زیمنس مدل ….-…7SA5221-.S

FULL SCHEME DISTANCE PROTECTION RELAY, CURRENT TRANSFORMER: PHASE=1A,GROUND=1A (MIN=0,05A) FLUSH-MOUNTING HOUSING WITH PLUG-IN TERMINALS 1/1 X 19″, 16 BI, 16 BO, 3 FAST RELAYS, 5 HIGH-SPEED TRIP OUTPUTS