Siemens – 7UT6331-6EB91-1AA0

DIGITAL DIFFERENTIAL PROTECTION RELAY, FOR TRANSFORMER, GENERATORS, MOTOR, SMALL BUSBARS AND SHORT CABLE, BACKLIT GRAPHIC DISPLAY, 14 PROGRAMMABLE LED, NAVIGATION KEYS, FUNCTION KEYS, CONTROL KEYS, NUMBER BLOCK, CASE 1/1 X 19", 21BI, 24BO, 1 WATCHDOG CONTACT, 11I, IEE, 4 VOLTAGE INPUTS (1 X 3-PHASE + 1 X 1-PHASE) CURRENT TRANSFORMER: 5A SUPPLY VOLTAGE:DC 110V TO 250V, AC 115V/230V, TRIGGER LEVEL BINARY INPUT 176V 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 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 FUNCTION

DIGITAL DIFFERENTIAL PROTECTION RELAY, FOR TRANSFORMER, GENERATORS, MOTOR, SMALL BUSBARS AND SHORT CABLE, BACKLIT GRAPHIC DISPLAY, 14 PROGRAMMABLE LED, NAVIGATION KEYS, FUNCTION KEYS, CONTROL KEYS, NUMBER BLOCK, CASE 1/1 X 19", 29BI, 24BO, 1 WATCHDOG CONTACT, 14I, 2IEE, 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 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 FUNCTIONS WITHOUT ADDITIONAL FUNCTIONS

DIGITAL DIFFERENTIAL PROTECTION RELAY, FOR TRANSFORMER, GENERATORS, MOTOR, SMALL BUSBARS AND SHORT CABLE, BACKLIT GRAPHIC DISPLAY, 14 PROGRAMMABLE LED, NAVIGATION KEYS, FUNCTION KEYS, CONTROL KEYS, NUMBER BLOCK, CASE 1/1 X 19", 29BI, 24BO, 1 WATCHDOG CONTACT, 14I, 2IEE, CURRENT TRANSFORMER: 1A SUPPLY VOLTAGE: DC 60V TO 125V, TRIGGER LEVEL BINARY INPUT 19V 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 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 FUNCTIONS WITHOUT ADDITIONAL FUNCTIONS

DIGITAL DIFFERENTIAL PROTECTION RELAY, FOR TRANSFORMER, GENERATORS, MOTOR, SMALL BUSBARS AND SHORT CABLE, BACKLIT GRAPHIC DISPLAY, 14 PROGRAMMABLE LED, NAVIGATION KEYS, FUNCTION KEYS, CONTROL KEYS, NUMBER BLOCK, CASE 1/1 X 19", 29BI, 24BO, 1 WATCHDOG CONTACT, 14I, 2IEE, CURRENT TRANSFORMER: 1A SUPPLY VOLTAGE: DC 60V TO 125V, TRIGGER LEVEL BINARY INPUT 19V FLUSH MOUNTING CASE, SCREW TERMINALS (DIRECT WIRING/RING LUGS) REGION WORLD, IEC/ANSI, LANGUAGE 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 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 FUNCTIONS WITHOUT ADDITIONAL FUNCTIONS

DIGITAL DIFFERENTIAL PROTECTION RELAY, FOR TRANSFORMER, GENERATORS, MOTOR, SMALL BUSBARS AND SHORT CABLE, BACKLIT GRAPHIC DISPLAY, 14 PROGRAMMABLE LED, NAVIGATION KEYS, FUNCTION KEYS, CONTROL KEYS, NUMBER BLOCK, CASE 1/1 X 19", 29BI, 24BO, 1 WATCHDOG CONTACT, 14I, 2IEE, CURRENT TRANSFORMER: 1A 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) NO SYSTEM PORT 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) WITHOUT ADDIT.VOLTAGE FUNCTIONS WITHOUT ADDITIONAL FUNCTIONS

DIGITAL DIFFERENTIAL PROTECTION RELAY, FOR TRANSFORMER, GENERATORS, MOTOR, SMALL BUSBARS AND SHORT CABLE, BACKLIT GRAPHIC DISPLAY, 14 PROGRAMMABLE LED, NAVIGATION KEYS, FUNCTION KEYS, CONTROL KEYS, NUMBER BLOCK, CASE 1/1 X 19", 29BI, 24BO, 1 WATCHDOG CONTACT, 14I, 2IEE, 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 FUNCTIONS WITHOUT ADDITIONAL FUNCTIONS

DIGITAL DIFFERENTIAL PROTECTION RELAY, FOR TRANSFORMER, GENERATORS, MOTOR, SMALL BUSBARS AND SHORT CABLE, BACKLIT GRAPHIC DISPLAY, 14 PROGRAMMABLE LED, NAVIGATION KEYS, FUNCTION KEYS, CONTROL KEYS, NUMBER BLOCK, CASE 1/1 X 19", 29BI, 24BO, 1 WATCHDOG CONTACT, 14I, 2IEE, CURRENT TRANSFORMER: 1A SUPPLY VOLTAGE:DC 110V TO 250V, AC 115V/230V, TRIGGER LEVEL BINARY INPUT 176V FLUSH MOUNTING CASE, SCREW TERMINALS (DIRECT WIRING/RING LUGS) REGION WORLD, IEC/ANSI, LANGUAGE ENGLISH (LANGUAGE CHANGEABLE) NO SYSTEM PORT 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 FUNCTIONS MULTIPLE PROTECTION FUNCTION XMZ (50,51,50N/G,51N/G) REF(87N), SVS(50BF),ULS(49)

Differential protection relay for trnasformers, generators, motors and busbars

TRANSFORMER PROTECTION

DIGITAL DIFFERENTIAL PROTECTION RELAY

DIGITAL DIFFERENTIAL PROTECTION RELAY, FOR TRANSFORMER, GENERATORS, MOTOR, SMALL BUSBARS AND SHORT CABLE, BACKLIT GRAPHIC DISPLAY, 14 PROGRAMMABLE LED, NAVIGATION KEYS, FUNCTION KEYS, CONTROL KEYS, NUMBER BLOCK, CASE 1/1 X 19", 29BI, 24BO, 1 WATCHDOG CONTACT, 14I, 2IEE, CURRENT TRANSFORMER: 1A 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 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 FUNCTIONS MULTIPLE PROTECTION FUNCTION XMZ (50,51,50N/G,51N/G) REF(87N), SVS(50BF),ULS(49)

TRANSFORMER PROTECTION