رله حفاظتی زیمنس مدل ….-…7SA5222-.S

FULL SCHEME DISTANCE PROTECTION RELAY, CURRENT TRANSFORMER: PHASE=1A, GROUND(EARTH)=HIGH SENSITIVE (MIN = 0,003A) FLUSH-MOUNTING HOUSING WITH PLUG-IN TERMINALS 1/1 X 19″, 16 BI, 16 BO, 3 FAST RELAYS, 5 HIGH-SPEED TRIP OUTPUTS