رله حفاظتی زیمنس مدل ….-…7SA5222-.W

FULL SCHEME DISTANCE PROTECTION RELAY, CURRENT TRANSFORMER: PHASE=1A, GROUND(EARTH)=HIGH SENSITIVE (MIN = 0,003A) FLUSH-MOUNTG. HOUSING 1/1 X 19″ 24 BI, 4 BO, 18 FAST RELAYS, 10 HIGH-SPEED TRIP OUTPUTS