7SA6121-5MB91-5FR4 L0A

DISTANCE PROTECTION RELAY 7SA61 OPERATOR PANEL WITH: 4-LINE BACK-LIT DISPLAY, FUNCTION KEYS,NUMERICAL KEYS, PC-INTERFACE, EARTH-FAULT PROT. DIRECTIONAL, EARTHED NETWORKS MEASURING INPUT (4 X V, 4 X I) IPH = 1A, IE = 1A (MIN = 0.05A) AUXILIARY VOLTAGE: 110 TO 250V DC, 115 TO 230V AC, BINARY INPUT THRESHOLD 88V HOUSING WIDTH 1/1 19", 14 LEDS 21 BINARY/INDICATION INPUTS, 12 SIGNAL/COMMAND OUTPUTS, 8 FAST RELAYS, 5 HIGH-SPEED TRIP OUTPUTS, FLUSH MOUNTING HOUSING/ SCREW TERMINALS REGION WORLD, LANGUAGE ENGLISH (SELECTABLE) PORT B: SYSTEM PORT, PROFIBUS DP, ELECTRIC RS485 PORT C: DIGSI/MODEM, ELELCTRIC RS232, TRIPPING 1/3-POLE, BCD OUTPUT FAULT LOCATION, DISTANCE PROTECTION STARTING: Z<(POLYGON),POWER SWING DETECT. AUTO-RECLOSURE, SYNCHRO-CHECK, BREAKER-FAILURE PROTECTION, VOLTAGE PROTECTION V>/V<,