7SA5221-4DB90-4QQ4 L0S

FULL SCHEME DISTANCE PROTECTION RELAY, CURRENT TRANSFORMER: PHASE=1A,GROUND=1A (MIN=0,05A) FLUSH-MOUNTG. HOUSING 1/1 X 19" 24 BI, 32 BO AUXIL. VOLTAGE: 60V TO 125V DC BINARY INPUT THRESHOLD 19V REGION WORLD,LANGUA. UK-ENGLISH (LANGUAGE SELECTABLE) PORT B: SYSTEM PORT, IEC 61850,100 MBIT ETHERNET WITH INTEGRATED SWITCH OPTICAL,DOUBLE, LC-CONNECTOR (FROM OCT. 09) NO 2ND OPERATING INTERFACE FUNCTION 1: TRIP MODE 1- AND 3-POLE FUNCTION 2: DISTANCE CHARACTERISTIC Z<, QUADRILATERAL AND/OR MHO WITH POWER SWING WITH PARALLEL LINE COMPENSATION FUNCTION 3: WITH AUTORECLOSURE WITH SYNCHROCHECK WITH BREAKER FAILURE PROTECTION WITHOUT OVERVOLTAGE PROTECTION FUNCTION 4: WITH GROUND FAULT OVERCURRENT PROTECTION