MULTIFUNCTION PROTECTIVE RELAY WITH BACKLIT TEXT DISPLAY, 4 X 20 CHARACTERS, 7 PROGRAMMABLE LED, CASE 1/3 19", 11BI, 6BO, 1 WATCHDOG CONTACT PHASE CURRENT TRANSFORMER 5A, SENSITIVE EARTH CURRENT TRANSF. SUPPLY VOLTAGE: DC 24V TO 48V, TRIGG.LEVEL BINARY INPUT DC 19V FLUSH MOUNTING CASE, SCREW TERMINALS (DIRECT WIRING/RING LUGS) LANGUAGE ENGLISH, 50/60HZ, IEC/ANSI, REGION WORLD, (LANGUAGE CHANGEABLE) SYSTEM PORT (ON REAR OF DEVICE) PORT B PROFIBUS DP SLAVE, 820NM FIBER DOUBLE RING, ST-PLUG 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 +SENSITIVE DIRECT. GROUND FAULT PHASE OVERCURRENT (50/51): I>,I>>,IP, 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 BLOCKKING, LOCK OUT (86) MOTOR PROTECT.:UNDERCURRENT(37) NEGATIVE SEQUENCE (46) START UP SUPERVISION (48) RESTART INHIBIT (66/86) UNDER-/OVERVOLTAGE (27/59) UNDER-/OVERFREQUENCY (81O/U) WITHOUT AUTO-RECLOSURE