Siemens – 7UT6121-5EB90-1AA0 L0A

DIGITAL DIFFERENTIAL PROTECTION RELAY, FOR TRANSFORMER, GENERATORS, MOTOR, SMALL BUSBARS AND SHORT CABLE, 4-LINE ALPHANUM.BACKLIT DISPLAY 14 PROGRAMMABLE LED, NAVIGATION KEYS, FUNCTION KEYS, NUMBER BLOCK, CASE 1/2 X 19", 5BI, 8BO, 1 WATCHDOG CONTACT, 11I, IEE, CURRENT TRANSFORMER: 5A SUPPLY VOLTAGE:DC 110V TO 250V, AC 115V/230V, TRIGGER LEVEL BINARY INPUT 88V FLUSH MOUNTING CASE, SCREW TERMINALS (DIRECT WIRING/RING LUGS) REGION WORLD, IEC/ANSI, LANGUAGE ENGLISH (LANGUAGE CHANGEABLE) SYSTEM PORT (ON REAR OF DEVICE) PORT B MODBUS, RS485 DIGSI 4/MODEM PORT (ON REAR OF DEVICE) PORT C DIGSI4, BROWSER,ELECTRIC. RS232 BASIS MEASURED VALUES, FAULT RECORDING + MEAN VALUES, MIN/MAX VALUES RESTRICTED EARTH FAULT LOW IMPEDANCE (87N) UMZ - 1-PHASE FOR RESTRICTED EARTH FAULT HIGH IMPEDANCE (87N W/O RESISTOR AND VARISTOR) SENSITIVE OVERCURR.-TIME PROT./ TANK PROTECTION (64) NEGATIVE SEQUENCE PROTECT. (46) BREAKER FAILURE PROTECT. (50BF) TRIP CIRCUIT SUPERVISION (74TC) ADDITIONAL FUNCTION: VOLTGAE MEASUREMENT AND OVEREXCITATION PROTECTION, OVER- /UNDERVOLTAGE PROTECTION, FREQUENCY PROTECTION, DIRECTIONAL PROTECTION, FUSE FAILURE MONITOR MULTIPLE PROTECTION FUNCTION + FREE CONFIGURABLE PROTECTION MODULES

DIGITAL DIFFERENTIAL PROTECTION RELAY, FOR TRANSFORMER, GENERATORS, MOTOR, SMALL BUSBARS AND SHORT CABLE, 4-LINE ALPHANUM.BACKLIT DISPLAY 14 PROGRAMMABLE LED, NAVIGATION KEYS, FUNCTION KEYS, NUMBER BLOCK, CASE 1/2 X 19", 5BI, 8BO, 1 WATCHDOG CONTACT, 11I, IEE, CURRENT TRANSFORMER: 5A SUPPLY VOLTAGE:DC 110V TO 250V, AC 115V/230V, TRIGGER LEVEL BINARY INPUT 88V FLUSH MOUNTING CASE, SCREW TERMINALS (DIRECT WIRING/RING LUGS) REGION WORLD, IEC/ANSI, LANGUAGE ENGLISH (LANGUAGE CHANGEABLE) SYSTEM PORT (ON REAR OF DEVICE) PORT B PROFIBUS DP SLAVE, RS485 DIGSI 4/MODEM PORT (ON REAR OF DEVICE) PORT C DIGSI4, BROWSER,ELECTRIC. RS232 BASIS MEASURED VALUES, FAULT RECORDING RESTRICTED EARTH FAULT LOW IMPEDANCE (87N) UMZ - 1-PHASE FOR RESTRICTED EARTH FAULT HIGH IMPEDANCE (87N W/O RESISTOR AND VARISTOR) SENSITIVE OVERCURR.-TIME PROT./ TANK PROTECTION (64) NEGATIVE SEQUENCE PROTECT. (46) BREAKER FAILURE PROTECT. (50BF) TRIP CIRCUIT SUPERVISION (74TC) ADDITIONAL FUNCTION: VOLTGAE MEASUREMENT AND OVEREXCITATION PROTECTION, OVER- /UNDERVOLTAGE PROTECTION, FREQUENCY PROTECTION, DIRECTIONAL PROTECTION, FUSE FAILURE MONITOR WITHOUT ADDITIONAL FUNCTIONS

DIGITAL DIFFERENTIAL PROTECTION RELAY, FOR TRANSFORMER, GENERATORS, MOTOR, SMALL BUSBARS AND SHORT CABLE, 4-LINE ALPHANUM.BACKLIT DISPLAY 14 PROGRAMMABLE LED, NAVIGATION KEYS, FUNCTION KEYS, NUMBER BLOCK, CASE 1/2 X 19", 5BI, 8BO, 1 WATCHDOG CONTACT, 11I, IEE, CURRENT TRANSFORMER: 5A SUPPLY VOLTAGE:DC 110V TO 250V, AC 115V/230V, TRIGGER LEVEL BINARY INPUT 88V FLUSH MOUNTING CASE, SCREW TERMINALS (DIRECT WIRING/RING LUGS) REGION WORLD, IEC/ANSI, LANGUAGE ENGLISH (LANGUAGE CHANGEABLE) SYSTEM PORT (ON REAR OF DEVICE) PORT B IEC 61850,100 MBIT ETHERNET WITH INTEGRATED SWITCH OPTICAL, DOUBLE, LC-CONNECTOR (FROM OCT. 09) DIGSI 4/MODEM PORT (ON REAR OF DEVICE) PORT C DIGSI 4, BROWSER OR THERMO-BOX, ELECTRICAL RS485 BASIS MEASURED VALUES, FAULT RECORDING FUNCTIONALITY: DIFFERENTIAL PROTECTION, BASIC FUNCTION, DIFFERENTIAL PROTECTION TRANSFORMER, GENERATOR, MOTOR, BUSBAR, (87 T G M L), OVERLOAD PROTECTION FOR ONE PAGE (49), LOCK OUT (86), TIME OVERCURR.PROTECT.TOC PHASE (50/51): I>, I>>, IP (INRUSH BLOCKING) TIME OVERCURR.PROTECT.TOC 3I0 (50/51): 3I0>, 3I0>>, 3I0P (INRUSH BLOCKING) TIME OVERCURR.PROTECT.TOC EARTH (50/51): IE>, IEE>>, IEP (INRUSH BLOCKING) ADDITIONAL FUNCTION: VOLTGAE MEASUREMENT AND OVEREXCITATION PROTECTION, OVER- /UNDERVOLTAGE PROTECTION, FREQUENCY PROTECTION, DIRECTIONAL PROTECTION, FUSE FAILURE MONITOR WITHOUT ADDITIONAL FUNCTIONS

DIGITAL DIFFERENTIAL PROTECTION RELAY, FOR TRANSFORMER, GENERATORS, MOTOR, SMALL BUSBARS AND SHORT CABLE, 4-LINE ALPHANUM.BACKLIT DISPLAY 14 PROGRAMMABLE LED, NAVIGATION KEYS, FUNCTION KEYS, NUMBER BLOCK, CASE 1/2 X 19", 5BI, 8BO, 1 WATCHDOG CONTACT, 11I, IEE, CURRENT TRANSFORMER: 5A SUPPLY VOLTAGE:DC 110V TO 250V, AC 115V/230V, TRIGGER LEVEL BINARY INPUT 88V FLUSH MOUNTING CASE, SCREW TERMINALS (DIRECT WIRING/RING LUGS) REGION US, IEC/ANSI, LANGUAGE US-ENGLISH (LANGUAGE CHANGEABLE) NO SYSTEM PORT DIGSI 4/MODEM PORT (ON REAR OF DEVICE) PORT C DIGSI4, BROWSER,ELECTRIC. RS232 BASIS MEASURED VALUES, FAULT RECORDING FUNCTIONALITY: DIFFERENTIAL PROTECTION, BASIC FUNCTION, DIFFERENTIAL PROTECTION TRANSFORMER, GENERATOR, MOTOR, BUSBAR, (87 T G M L), OVERLOAD PROTECTION FOR ONE PAGE (49), LOCK OUT (86), TIME OVERCURR.PROTECT.TOC PHASE (50/51): I>, I>>, IP (INRUSH BLOCKING) TIME OVERCURR.PROTECT.TOC 3I0 (50/51): 3I0>, 3I0>>, 3I0P (INRUSH BLOCKING) TIME OVERCURR.PROTECT.TOC EARTH (50/51): IE>, IEE>>, IEP (INRUSH BLOCKING) WITHOUT ADDIT. VOLTAGE FUNCTION WITHOUT ADDITIONAL FUNCTIONS

DIGITAL DIFFERENTIAL PROTECTION RELAY, FOR TRANSFORMER, GENERATORS, MOTOR, SMALL BUSBARS AND SHORT CABLE, 4-LINE ALPHANUM.BACKLIT DISPLAY 14 PROGRAMMABLE LED, NAVIGATION KEYS, FUNCTION KEYS, NUMBER BLOCK, CASE 1/2 X 19", 5BI, 8BO, 1 WATCHDOG CONTACT, 11I, IEE, CURRENT TRANSFORMER: 5A SUPPLY VOLTAGE:DC 110V TO 250V, AC 115V/230V, TRIGGER LEVEL BINARY INPUT 88V FLUSH MOUNTING CASE, SCREW TERMINALS (DIRECT WIRING/RING LUGS) REGION WORLD, IEC/ANSI, LANGUAGE ENGLISH (LANGUAGE CHANGEABLE) SYSTEM PORT (ON REAR OF DEVICE) PORT B IEC 61850,100 MBIT ETHERNET WITH INTEGRATED SWITCH OPTICAL, DOUBLE, LC-CONNECTOR (FROM OCT. 09) SERVICE INTERFACE (PORT C) DIGSI 4/MODEM ELECTRICAL RS232 ADDITIONAL INTERFACE (PORT D) TEMPERATURE MONITORING DEVICE, ELECTRICAL RS485 BASIS MEASURED VALUES, FAULT RECORDING RESTRICTED EARTH FAULT LOW IMPEDANCE (87N) UMZ - 1-PHASE FOR RESTRICTED EARTH FAULT HIGH IMPEDANCE (87N W/O RESISTOR AND VARISTOR) SENSITIVE OVERCURR.-TIME PROT./ TANK PROTECTION (64) NEGATIVE SEQUENCE PROTECT. (46) BREAKER FAILURE PROTECT. (50BF) TRIP CIRCUIT SUPERVISION (74TC) WITHOUT ADDIT. VOLTAGE FUNCTION WITHOUT ADDITIONAL FUNCTIONS

DIGITAL DIFFERENTIAL PROTECTION RELAY, FOR TRANSFORMER, GENERATORS, MOTOR, SMALL BUSBARS AND SHORT CABLE, 4-LINE ALPHANUM.BACKLIT DISPLAY 14 PROGRAMMABLE LED, NAVIGATION KEYS, FUNCTION KEYS, NUMBER BLOCK, CASE 1/2 X 19", 5BI, 8BO, 1 WATCHDOG CONTACT, 11I, IEE, CURRENT TRANSFORMER: 5A SUPPLY VOLTAGE:DC 110V TO 250V, AC 115V/230V, TRIGGER LEVEL BINARY INPUT 88V FLUSH MOUNTING CASE, SCREW TERMINALS (DIRECT WIRING/RING LUGS) REGION WORLD, IEC/ANSI, LANGUAGE ENGLISH (LANGUAGE CHANGEABLE) SYSTEM PORT (ON REAR OF DEVICE) PORT B MODBUS, RS485 DIGSI 4/MODEM PORT (ON REAR OF DEVICE) PORT C DIGSI 4, BROWSER OR THERMO-BOX, ELECTRICAL RS485 BASIS MEASURED VALUES, FAULT RECORDING FUNCTIONALITY: DIFFERENTIAL PROTECTION, BASIC FUNCTION, DIFFERENTIAL PROTECTION TRANSFORMER, GENERATOR, MOTOR, BUSBAR, (87 T G M L), OVERLOAD PROTECTION FOR ONE PAGE (49), LOCK OUT (86), TIME OVERCURR.PROTECT.TOC PHASE (50/51): I>, I>>, IP (INRUSH BLOCKING) TIME OVERCURR.PROTECT.TOC 3I0 (50/51): 3I0>, 3I0>>, 3I0P (INRUSH BLOCKING) TIME OVERCURR.PROTECT.TOC EARTH (50/51): IE>, IEE>>, IEP (INRUSH BLOCKING) ADDITIONAL FUNCTION: VOLTGAE MEASUREMENT AND OVEREXCITATION PROTECTION WITHOUT ADDITIONAL FUNCTIONS

DIGIT. DIFFERENT. PROTEC. RELAY CASE 1/2 19", 5BI, 8BO 1 WATCHDOG CONTACT, 11I, IEE CURRENT TRANSFORMER: 5A SUPPLY VOLTAGE: DC 110V TO 250V,AC 115V TO 230 TRIGG.LEVEL BINARY INPUT DC 88V FLUSH-MOUNTING CASE, SCREW TERMINALS (DIRECT WIRING/RING LUGS) LANGUAGE ENGLISH 50/60HZ, IEC/ANSI, REGION WORLD (LANGUAGE CHANGEABLE) ON REAR OF DEVICE PORT B MODBUS, RS485 ON REAR OF DEVICE PORT C DIGSI4, BROWSER, ELECTRIC.RS232 BASIS MEASURED VALUES, FAULT RECORDING FUNCTIONALITY: BASIC VERSION

DIGITAL DIFFERENTIAL PROTECTION RELAY, FOR TRANSFORMER, GENERATORS, MOTOR, SMALL BUSBARS AND SHORT CABLE, 4-LINE ALPHANUM.BACKLIT DISPLAY 14 PROGRAMMABLE LED, NAVIGATION KEYS, FUNCTION KEYS, NUMBER BLOCK, CASE 1/2 X 19", 5BI, 8BO, 1 WATCHDOG CONTACT, 11I, IEE, CURRENT TRANSFORMER: 5A SUPPLY VOLTAGE:DC 110V TO 250V, AC 115V/230V, TRIGGER LEVEL BINARY INPUT 88V FLUSH MOUNTING CASE, SCREW TERMINALS (DIRECT WIRING/RING LUGS) REGION WORLD, IEC/ANSI, LANGUAGE ENGLISH (LANGUAGE CHANGEABLE) SYSTEM PORT (ON REAR OF DEVICE) PORT B IEC 61850,100 MBIT ETHERNET DOUBLE, ELECTRICAL, DIGSI 4/MODEM PORT (ON REAR OF DEVICE) PORT C DIGSI 4, BROWSER OR THERMO-BOX, ELECTRICAL RS485 BASIS MEASURED VALUES, FAULT RECORDING FUNCTIONALITY: DIFFERENTIAL PROTECTION, BASIC FUNCTION, DIFFERENTIAL PROTECTION TRANSFORMER, GENERATOR, MOTOR, BUSBAR, (87 T G M L), OVERLOAD PROTECTION FOR ONE PAGE (49), LOCK OUT (86), TIME OVERCURR.PROTECT.TOC PHASE (50/51): I>, I>>, IP (INRUSH BLOCKING) TIME OVERCURR.PROTECT.TOC 3I0 (50/51): 3I0>, 3I0>>, 3I0P (INRUSH BLOCKING) TIME OVERCURR.PROTECT.TOC EARTH (50/51): IE>, IEE>>, IEP (INRUSH BLOCKING) WITHOUT ADDIT. VOLTAGE FUNCTION MULTIPLE PROTECTION FUNCTION + FREE CONFIGURABLE PROTECTION MODULES

DIGITAL DIFFERENTIAL PROTECTION RELAY, FOR TRANSFORMER, GENERATORS, MOTOR, SMALL BUSBARS AND SHORT CABLE, 4-LINE ALPHANUM.BACKLIT DISPLAY 14 PROGRAMMABLE LED, NAVIGATION KEYS, FUNCTION KEYS, NUMBER BLOCK, CASE 1/2 X 19", 5BI, 8BO, 1 WATCHDOG CONTACT, 11I, IEE, CURRENT TRANSFORMER: 5A SUPPLY VOLTAGE:DC 110V TO 250V, AC 115V/230V, TRIGGER LEVEL BINARY INPUT 88V FLUSH MOUNTING CASE, SCREW TERMINALS (DIRECT WIRING/RING LUGS) REGION WORLD, IEC/ANSI, LANGUAGE ENGLISH (LANGUAGE CHANGEABLE) SYSTEM PORT (ON REAR OF DEVICE) PORT B IEC 61850,100 MBIT ETHERNET DOUBLE, ELECTRICAL, DIGSI 4/MODEM PORT (ON REAR OF DEVICE) PORT C DIGSI 4, BROWSER OR THERMO-BOX, ELECTRICAL RS485 BASIS MEASURED VALUES, FAULT RECORDING + MEAN VALUES, MIN/MAX VALUES + TRANSFORMER-MONITORING FUNCTION (CONNECTION ON THERMO-BOX, HOTSPOT IEC345,OVERLOAD FACTOR) RESTRICTED EARTH FAULT LOW IMPEDANCE (87N) UMZ - 1-PHASE FOR RESTRICTED EARTH FAULT HIGH IMPEDANCE (87N W/O RESISTOR AND VARISTOR) SENSITIVE OVERCURR.-TIME PROT./ TANK PROTECTION (64) NEGATIVE SEQUENCE PROTECT. (46) BREAKER FAILURE PROTECT. (50BF) TRIP CIRCUIT SUPERVISION (74TC) ADDITIONAL FUNCTION: VOLTGAE MEASUREMENT AND OVEREXCITATION PROTECTION WITHOUT ADDITIONAL FUNCTIONS

DIGITAL DIFFERENTIAL PROTECTION RELAY, FOR TRANSFORMER, GENERATORS, MOTOR, SMALL BUSBARS AND SHORT CABLE, 4-LINE ALPHANUM.BACKLIT DISPLAY 14 PROGRAMMABLE LED, NAVIGATION KEYS, FUNCTION KEYS, NUMBER BLOCK, CASE 1/2 X 19", 5BI, 8BO, 1 WATCHDOG CONTACT, 11I, IEE, CURRENT TRANSFORMER: 5A SUPPLY VOLTAGE:DC 110V TO 250V, AC 115V/230V, TRIGGER LEVEL BINARY INPUT 88V FLUSH MOUNTING CASE, SCREW TERMINALS (DIRECT WIRING/RING LUGS) REGION US, IEC/ANSI, LANGUAGE US-ENGLISH (LANGUAGE CHANGEABLE) SYSTEM PORT (ON REAR OF DEVICE) PORT B DNP3.0, RS485 DIGSI 4/MODEM PORT (ON REAR OF DEVICE) PORT C DIGSI 4, BROWSER OR THERMO-BOX, ELECTRICAL RS485 BASIS MEASURED VALUES, FAULT RECORDING FUNCTIONALITY: DIFFERENTIAL PROTECTION, BASIC FUNCTION, DIFFERENTIAL PROTECTION TRANSFORMER, GENERATOR, MOTOR, BUSBAR, (87 T G M L), OVERLOAD PROTECTION FOR ONE PAGE (49), LOCK OUT (86), TIME OVERCURR.PROTECT.TOC PHASE (50/51): I>, I>>, IP (INRUSH BLOCKING) TIME OVERCURR.PROTECT.TOC 3I0 (50/51): 3I0>, 3I0>>, 3I0P (INRUSH BLOCKING) TIME OVERCURR.PROTECT.TOC EARTH (50/51): IE>, IEE>>, IEP (INRUSH BLOCKING) WITHOUT ADDIT. VOLTAGE FUNCTION WITHOUT ADDITIONAL FUNCTIONS

DIGITAL DIFFERENTIAL PROTECTION RELAY, FOR TRANSFORMER, GENERATORS, MOTOR, SMALL BUSBARS AND SHORT CABLE, 4-LINE ALPHANUM.BACKLIT DISPLAY 14 PROGRAMMABLE LED, NAVIGATION KEYS, FUNCTION KEYS, NUMBER BLOCK, CASE 1/2 X 19", 5BI, 8BO, 1 WATCHDOG CONTACT, 11I, IEE, CURRENT TRANSFORMER: 5A SUPPLY VOLTAGE:DC 110V TO 250V, AC 115V/230V, TRIGGER LEVEL BINARY INPUT 88V FLUSH MOUNTING CASE, SCREW TERMINALS (DIRECT WIRING/RING LUGS) REGION WORLD, IEC/ANSI, LANGUAGE ENGLISH (LANGUAGE CHANGEABLE) SYSTEM PORT (ON REAR OF DEVICE) PORT B IEC 60870-5-103 PROTOCOL, ELECTRICAL RS485, DIGSI 4/MODEM PORT (ON REAR OF DEVICE) PORT C DIGSI 4, BROWSER OR THERMO-BOX, ELECTRICAL RS485 BASIS MEASURED VALUES, FAULT RECORDING FUNCTIONALITY: DIFFERENTIAL PROTECTION, BASIC FUNCTION, DIFFERENTIAL PROTECTION TRANSFORMER, GENERATOR, MOTOR, BUSBAR, (87 T G M L), OVERLOAD PROTECTION FOR ONE PAGE (49), LOCK OUT (86), TIME OVERCURR.PROTECT.TOC PHASE (50/51): I>, I>>, IP (INRUSH BLOCKING) TIME OVERCURR.PROTECT.TOC 3I0 (50/51): 3I0>, 3I0>>, 3I0P (INRUSH BLOCKING) TIME OVERCURR.PROTECT.TOC EARTH (50/51): IE>, IEE>>, IEP (INRUSH BLOCKING) WITHOUT ADDIT. VOLTAGE FUNCTION WITHOUT ADDITIONAL FUNCTIONS

DIGITAL DIFFERENTIAL PROTECTION RELAY, FOR TRANSFORMER, GENERATORS, MOTOR, SMALL BUSBARS AND SHORT CABLE, 4-LINE ALPHANUM.BACKLIT DISPLAY 14 PROGRAMMABLE LED, NAVIGATION KEYS, FUNCTION KEYS, NUMBER BLOCK, CASE 1/2 X 19", 5BI, 8BO, 1 WATCHDOG CONTACT, 11I, IEE, CURRENT TRANSFORMER: 5A SUPPLY VOLTAGE: DC 60V TO 125V, TRIGGER LEVEL BINARY INPUT 19V FLUSH MOUNTING CASE, SCREW TERMINALS (DIRECT WIRING/RING LUGS) REGION US, IEC/ANSI, LANGUAGE US-ENGLISH (LANGUAGE CHANGEABLE) SYSTEM PORT (ON REAR OF DEVICE) PORT B IEC 61850,100 MBIT ETHERNET WITH INTEGRATED SWITCH OPTICAL, DOUBLE, LC-CONNECTOR (FROM OCT. 09) DIGSI 4/MODEM PORT (ON REAR OF DEVICE) PORT C DIGSI 4, BROWSER OR THERMO-BOX, ELECTRICAL RS485 BASIS MEASURED VALUES, FAULT RECORDING + MEAN VALUES, MIN/MAX VALUES + TRANSFORMER-MONITORING FUNCTION (CONNECTION ON THERMO-BOX, HOTSPOT IEC345,OVERLOAD FACTOR) FUNCTIONALITY: DIFFERENTIAL PROTECTION, BASIC FUNCTION, DIFFERENTIAL PROTECTION TRANSFORMER, GENERATOR, MOTOR, BUSBAR, (87 T G M L), OVERLOAD PROTECTION FOR ONE PAGE (49), LOCK OUT (86), TIME OVERCURR.PROTECT.TOC PHASE (50/51): I>, I>>, IP (INRUSH BLOCKING) TIME OVERCURR.PROTECT.TOC 3I0 (50/51): 3I0>, 3I0>>, 3I0P (INRUSH BLOCKING) TIME OVERCURR.PROTECT.TOC EARTH (50/51): IE>, IEE>>, IEP (INRUSH BLOCKING) WITHOUT ADDIT. VOLTAGE FUNCTION WITHOUT ADDITIONAL FUNCTIONS