MULTIFUNCTION PROTECTIVE RELAY WITH BACKLIT GRAPHIC DISPLAY, 14 PROGRAMMABLE LED, KEY SWITCHES, CASE 1/2 19", 24BI, 11BO, 2 POWER RELAYS, (4 CONTACTS) 1 WATCHDOG CONTACT MEASURING INPUTS (3 X U,4 X I): IPH = 5A, IE = 1A(MIN. = 0.05A) 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 interface Rear of the device port B IEC protocol, electrical RS 485 DIGSI 4/modem interface Rear of the device port C DIGSI 4, electrical RS 485 METERING: PEAK VALUES, AVERAGE METER, MIN/MAX-VALUES, FAULT RECORDING FUNCTIONALITY: TOC+V/F PHASE OVERCURRENT (50/51): I>,I>>,IP,REVERSE INTERLOCKING, INDEPENDENT OF PHASE ROTATION, GROUND OVERCURRENT (50N/51N): IE>,IE>>,IEP, OVERLOAD PROTECT. WITH 2 TIME CONSTANTS (49), TRIP CIRCUIT SUPERVISION (74TC) BREAKER FAILURE PROTEC. (50BF), COLD LOAD PICKUP, INRUSH BLOCKING, NEGATIVE SEQUENCE (46), LOCK OUT (86), OVER7UNDER FREQUENCY (81U/O), UNDER VOLTAGE (27-1,27-2), OVER VOLTAGE (59-1) With automatic reclosing