Differential Protection Relay 7UT6131-4EB22-1BC1

DIGITAL DIFFERENTIAL PROTECTION RELAY, FOR TRANSFORMER, GENERATORS, MOTOR, SMALL BUSBARS AND SHORT CABLE, 4-LINE ALPHANUM.BACKLIT DISPLAY 14 PROGRAMMABLE LED, NAVIGATION KEYS, FUNCTION KEYS, NUMBER BLOCK, CASE 1/2 X 19", 5BI, 8BO, 1 WATCHDOG CONTACT, 11I, IEE, CURRENT TRANSFORMER: 1A SUPPLY VOLTAGE: DC 60V TO 125V, TRIGGER LEVEL BINARY INPUT 19V FLUSH MOUNTING CASE, SCREW TERMINALS (DIRECT WIRING/RING LUGS) REGION WORLD, IEC/ANSI, LANGUAGE ENGLISH (LANGUAGE CHANGEABLE) SYSTEM PORT (ON REAR OF DEVICE) PORT B IEC 60870-5-103 PROTOCOL, ELECTRICAL RS485, DIGSI 4/MODEM PORT (ON REAR OF DEVICE) PORT C DIGSI 4, BROWSER OR THERMO-BOX, ELECTRICAL RS485 BASIS MEASURED VALUES, FAULT RECORDING RESTRICTED EARTH FAULT LOW IMPEDANCE (87N) UMZ - 1-PHASE FOR RESTRICTED EARTH FAULT HIGH IMPEDANCE (87N W/O RESISTOR AND VARISTOR) SENSITIVE OVERCURR.-TIME PROT./ TANK PROTECTION (64) NEGATIVE SEQUENCE PROTECT. (46) BREAKER FAILURE PROTECT. (50BF) TRIP CIRCUIT SUPERVISION (74TC) ADDITIONAL FUNCTION: VOLTGAE MEASUREMENT AND OVEREXCITATION PROTECTION, OVER- /UNDERVOLTAGE PROTECTION, FREQUENCY PROTECTION, DIRECTIONAL PROTECTION, FUSE FAILURE MONITOR MULTIPLE PROTECTION FUNCTION XMZ (50,51,50N/G,51N/G), REF(87N), SVS(50BF),ULS(49)