MULTIFUNCTION PROTECTIVE RELAY SYNCHRONIZATION (OPTIONAL) AND RESISTANCE TEMPERATURE DETECTOR INTERFACE, GRAPHIC DISPLAY, CASE 1/1 19", 48BI, 21BO, 4 POWER RELAYS, (8 CONTACTS) 1 WATCHDOG CONTACT PHASE CURRENT TRANSFORMER 1A SENSITIVE EARTH CURRENT TRANSF. SUPPLY VOLTAGE:DC 110V TO 250V, AC 115V TO 230V, TRIGG.LEVEL BINARY INPUT DC 88V FLUSH MOUNTING CASE, SCREW TERMINALS LANGUAGE ENGLISH, 50/60HZ, IEC/ANSI, REGION WORLD, (LANGUAGE CHANGEABLE) SYSTEM PORT (ON REAR OF DEVICE) PORT B IEC 61850,100 MBIT ETHERNET WITH INTEGRATED SWITCH OPTICAL, DOUBLE, LC-CONNECTOR DIGSI 4/MODEM PORT (ON REAR OF DEVICE) PORT C DIGSI 4, RS485 METERING: PEAK VALUES, AVERAGE METER, MIN/MAX-VALUES, FAULT RECORDING FUNCTIONALITY:TOC+V/F MOTOR IEE +SENSITIVE DIRECT. GROUND FAULT PHASE OVERCURRENT (50/51): I>,I>>,IP,REVERSE INTERLOCKING, GROUND OVERCURRENT (50N/51N): IE>, IE>>, IEP, SENSITIVE DIRECTIONAL GROUND PROTECTION IEE(67N): IEE>,IEE>> GROUND VOLTAGE DISPLACEMENT(64) PHASE ROTATION(47), OVERLOAD PROTECT.W. 2 TIME CONSTANTS(49) TRIP CIRCUIT SUPERVISION (74TC) BREAKER FAILURE PROTECT. (50BF) INRUSH BLOCKING, LOCK OUT (86) MOTOR PROTECT.:UNDERCURRENT(37) NEGATIVE SEQUENCE (46), START UP SUPERVISION (48) RESTART INHIBIT (66/86) UNDER-/OVERVOLTAGE (27/59) UNDER-/OVERFREQENCY (81O/U) WITHOUT AUTO-RECLOSURE WITHOUT FAULT LOCATOR