MULTIFUNCTION PROTECTIVE RELAY SYNCHRONIZATION (OPTIONAL) AND RESISTANCE TEMPERATURE DETECTOR INTERFACE, GRAPHIC DISPLAY, CASE 1/2 19", 15BI, 13BO, 1 WATCHDOG CONTACT PHASE CURRENT TRANSFORMER 1A 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 DIGSI4, RS232 METERING: FAULT RECORDING FUNCTIONALITY: TOC+ DIRECTIONAL TOC+V/F PHASE OVERCURRENT (50/51): IP,REVERSE INTERLOCKING, INDEPENDENT OF PAHSE ROTATION, GROUND OVERCURRENT (50/51N): IEP, DIRECTIONAL TIME OVERCURRENT (67/67N WITH 50N/51N), PHASE ROTATION (47),OVERLOAD PROTECT. W.2 TIME CONSTANTS(49) TRIP CIRCUIT SUPERVISION (74TC) BREAKER FAILURE PROTECT. (50BF) COLD LOAD PICKUP, INRUSH BLOCKING, NEGATIVE SEQUENCE (46) LOCK OUT (86), OVER/UNDER FREQU. (81U/O), UNDER VOLTAGE (27-1,27-2),OVER VOLTAGE (59-1) WITHOUT AUTO-RECLOSURE WITHOUT FAULT LOCATOR