Energy and Power Systems

Protection Relays and Grid Protection

Siemens protection relays and grid protection covering protection relay and grid-protection families for feeders, transformers, motors, generators and transmission systems.

Siemens protection relays and grid protection covering protection relay and grid-protection families for feeders, transformers, motors, generators and transmission systems.

Included series and legacy categories: 7SJ, 7UT, 7UM, 7SR, 7SD, 7SK, 7SA, 7PG, 7PA, 7SS, 7VK, 7SL, 7SG, 7SN, 7SV, 7UW, 7VU, 7VH.

This category brings current and legacy Siemens product families together so users can compare components for new projects, maintenance, retrofit and replacement requirements.

Model & Order Number

Models and MLFB Order Numbers

Order No. (MLFB)Model / TypeDescriptionStatus
7SD8031-1EB07-1FA1 Circuit Breaker LINE-DIFFERENTIAL PROT. RELAY HOUSING 1/6 19", 4 X I, 5 BI, 8 BO, (2 CHANGEOVER/FORM C) 1 LIVE STATUS CONTACT PROTECTION DATA INTERFACE 2 WIRES COPPER, TWISTED MEASURING INPUTS: IPH = 1A / 5A, IE = 1A / 5A RATED AUXILIARY VOLTAGE: DC 24, 48V FLUSH-MOUNTING CASE, SCREW-TYPE TERMINAL REGION WORLD, IEC/ANSI, LANGUAGE ENGLISH (LANGUAGE CHANGEABLE) STANDARD FRONT NO SYSTEM PORT INTERFACE, PORT A (ON BOTTOM OF DEVICE, REAR) REDUNDANT PROTECTION DATA INTERFACE FO FOR MONO- (24 KM) AND MULTIMODE CABLE (4 KM), LC-DUPLEX CONNECTOR METERING: FAULT RECORDING FUNCTIONALITY: LINE DIFF. PROT. (87L/87NL) INRUSH-CURRENT DETECTION TIME-OVERCURRENT PROTECT. PHASE (50 TD/51), I>, I>>,I>>>, IP TIME-OVERCURRENT GROUND (50N TD/51N) IN>.IN>>,IN>>>,INP THERMAL OVERLOAD PROTECT. (49) TRIP CIRCUIT SUPERVISION (74TC) CIRCUIT BREAK. FAIL.PROT.(50BF) LOCK OUT (86) INTER TRIP FUNCTION (85 DT) EXTERNAL TRIP INITIATION PARAMETER CHANGEOVER SUPERVISION FUNCTION CIRCUIT BREAKER TEST CONTROL OF CIRCUIT BREAKER FLEXIBLE PROTECTION FUNCTION: UNDER-/OVERVOLTAGE PROT.(27/59) UNDER-/OVERFREQ. PROT. (81U/O) ADDITIONAL FUNCTION: TRANSMISSION OF 16 BINARY SIGNALS VIA THE PROTECTION DATA INTERFACE In stock
7SD8031-5EB07-1FA1 Circuit Breaker LINE-DIFFERENTIAL PROT. RELAY HOUSING 1/6 19", 4 X I, 5 BI, 8 BO, (2 CHANGEOVER/FORM C) 1 LIVE STATUS CONTACT PROTECTION DATA INTERFACE 2 WIRES COPPER, TWISTED MEASURING INPUTS: IPH = 1A / 5A, IE = 1A / 5A RATED AUXILIARY VOLTAGE DC 60V/ 110V / 125V/ 220V/ 250V AC 115V/ 230V FLUSH-MOUNTING CASE, SCREW-TYPE TERMINAL REGION WORLD, IEC/ANSI, LANGUAGE ENGLISH (LANGUAGE CHANGEABLE) STANDARD FRONT NO SYSTEM PORT INTERFACE, PORT A (ON BOTTOM OF DEVICE, REAR) REDUNDANT PROTECTION DATA INTERFACE FO FOR MONO- (24 KM) AND MULTIMODE CABLE (4 KM), LC-DUPLEX CONNECTOR METERING: FAULT RECORDING FUNCTIONALITY: LINE DIFF. PROT. (87L/87NL) INRUSH-CURRENT DETECTION TIME-OVERCURRENT PROTECT. PHASE (50 TD/51), I>, I>>,I>>>, IP TIME-OVERCURRENT GROUND (50N TD/51N) IN>.IN>>,IN>>>,INP THERMAL OVERLOAD PROTECT. (49) TRIP CIRCUIT SUPERVISION (74TC) CIRCUIT BREAK. FAIL.PROT.(50BF) LOCK OUT (86) INTER TRIP FUNCTION (85 DT) EXTERNAL TRIP INITIATION PARAMETER CHANGEOVER SUPERVISION FUNCTION CIRCUIT BREAKER TEST CONTROL OF CIRCUIT BREAKER FLEXIBLE PROTECTION FUNCTION: UNDER-/OVERVOLTAGE PROT.(27/59) UNDER-/OVERFREQ. PROT. (81U/O) ADDITIONAL FUNCTION: TRANSMISSION OF 16 BINARY SIGNALS VIA THE PROTECTION DATA INTERFACE In stock
7SD8061-5BB20-3FA0 Circuit Breaker Line differential protection Enclosure 1/6 19", 4 x I, 3 x U 7 BI, 8 BQ (2 changeover contacts) 1 live contact Interface FOC for mono (24 km)/multimode fiber (4 km), LC duplex plug measuring inputs: Iph = 1 A / 5 A, Ie = 1 A / 5 A rated auxiliary power: 60 V/ 110 V / 125 V/ 220 V/ 250 V DC 115 V / 230 V AC Surface mounting enclosure screw terminals region world, IEC/ANSI language English (language can be changed) front membrane standard system interface port B (device bottom side, on front) IEC60870-5-103 or DIGSI4/modem or time synchronization, electrical RS485 without further communication interface for Port A measurement: fault recording, mean value formation, min./max. values functionality line differential protection inrush-current detection overcurrent protection phase I>, I>>,I>>>, Ip overcurrent protection ground In>.In>>,In>>>, Inp thermal overload protection trip-circuit supervision circuit-breaker failure protection restart inhibit intertripping scheme external trip initiation parameter set switchover supervision functions circuit-breaker test circuit-breaker control flexible protection functions undervoltage/overvoltage V underfrequency/overfrequency F without supplementary functions. In stock
7SD8061-5EB90-1FA0 L0R Circuit Breaker LINE-DIFFERENTIAL PROT. RELAY HOUSING 1/6 19", 4 X I, 3 X U, 7 BI, 8 BO, (2 CHANGEOVER/FORM C) 1 LIVE STATUS CONTACT PROTECTION DATA INTERF. FO FOR MONO- (24 KM) AND MULTIMODE (4 KM), LC-DUPLEX CONNECTOR MEASURING INPUTS: IPH = 1A / 5A, IE = 1A / 5A RATED AUXILIARY VOLTAGE DC 60V/ 110V / 125V/ 220V/ 250V AC 115V/ 230V FLUSH-MOUNTING CASE, SCREW-TYPE TERMINAL REGION WORLD, IEC/ANSI, LANGUAGE ENGLISH (LANGUAGE CHANGEABLE) STANDARD FRONT SYSTEM PORT, PORT B (ON BOTTOM OF DEVICE, FRONT) IEC 61850, 100MBIT ETHERNET, ELECTR., DOUBLE, RJ45 CONNECTOR WITHOUT FURTHER COMMUNICATION INTERFACE AT PORT A METERING: FAULT RECORDING FUNCTIONALITY: LINE DIFF. PROT. (87L/87NL) INRUSH-CURRENT DETECTION TIME OVERCURR.PROTECTION PHASE (50 TD/51), I>, I>>,I>>>, IP TIME-OVERCURRENT GROUND (50N TD/51N) IN>.IN>>,IN>>>,INP THERMAL OVERLOAD PROTECT. (49) TRIP CIRCUIT SUPERVISION (74TC) CIRCUIT BREAK. FAIL.PROT.(50BF) LOCK OUT (86) INTER TRIP FUNCTION (85 DT) EXTERNAL TRIP INITIATION PARAMETER CHANGEOVER SUPERVISION FUNCTION CIRCUIT BREAKER TEST CONTROL OF CIRCUIT BREAKER FLEXIBLE PROTECTION FUNCTION: UNDER-/OVERVOLTAGE PROT.(27/59) UNDER-/OVERFREQ. PROT. (81U/O) WITHOUT ADDITIONAL FUNCTIONS In stock
7SD8061-5EB90-3FA0 L0S Circuit Breaker Line differential protection Enclosure 1/6 19", 4 x I, 3 x U 7 BI, 8 BQ (2 changeover contacts) 1 live contact Interface FOC for mono (24 km)/multimode fiber (4 km), LC duplex plug measuring inputs: Iph = 1 A / 5 A, Ie = 1 A / 5 A rated auxiliary power: 60 V/ 110 V / 125 V/ 220 V/ 250 V DC 115 V / 230 V AC Installation enclosure, screw terminals region world, IEC/ANSI language English (language can be changed) front membrane standard system interface port B (device bottom side, on front) IEC 61850, 100 Mbit Ethernet, with integrated switch optical, double, LC duplex plug without further communication interface for Port A measurement: fault recording, mean value formation, min./max. values functionality line differential protection inrush-current detection overcurrent protection phase I>, I>>,I>>>, Ip overcurrent protection ground In>.In>>,In>>>, Inp thermal overload protection trip-circuit supervision circuit-breaker failure protection restart inhibit intertripping scheme external trip initiation parameter set switchover supervision functions circuit-breaker test circuit-breaker control flexible protection functions undervoltage/overvoltage V underfrequency/overfrequency F without supplementary functions. In stock
7SD8071-5BB20-1FA0 Circuit Breaker Line differential protection Enclosure 1/6 19", 4 x I, 3 x U 5 BI, 8 BQ (2 changeover contacts) 1 live contact Interface copper (2-wire connection, twisted) Measuring inputs: Iph = 1 A / 5 A, Ie = 1 A / 5 A Rated auxiliary power: 60 V/ 110 V / 125 V/ 220 V/ 250 V DC 115 V / 230 V AC Surface mounting enclosure screw terminals Region world, IEC/ANSI English (language can be changed) Front membrane standard System interface port B (device underside, front) IEC60870-5-103 or DIGSI4/modem or time synchronization, electrical RS 485 Without further communication interface for Port A Measurement: fault recording Functionality Line differential protection Inrush current detection Time-overcurrent protection phase I>, I>>,I>>>, Ip Time-overcurrent protection ground In>.In>>,In>>>, Inp Thermal overload protection Trip circuit monitoring Circuit breaker failure protection Closing lockout Circuit breaker intertrip External trip initiation Parameter set switchover Monitoring functions Circuit breaker test Control of circuit breaker Flexible protection functions Undervoltage/overvoltage V Underfrequency/overfrequency F Without additional functions In stock
7SD8071-5EB20-1FA0 Circuit Breaker Line differential protection Enclosure 1/6 19", 4 x I, 3 x U 5 BI, 8 BQ (2 changeover contacts) 1 live contact Interface copper (2-wire connection, twisted) Measuring inputs: Iph = 1 A / 5 A, Ie = 1 A / 5 A Rated auxiliary power: 60 V/ 110 V / 125 V/ 220 V/ 250 V DC 115 V / 230 V AC Installation enclosure, screw terminals Region world, IEC/ANSI English (language can be changed) Front membrane standard System interface port B (device underside, front) IEC60870-5-103 or DIGSI4/modem or time synchronization, electrical RS 485 Without further communication interface for Port A Measurement: fault recording Functionality Line differential protection Inrush current detection Time-overcurrent protection phase I>, I>>,I>>>, Ip Time-overcurrent protection ground In>.In>>,In>>>, Inp Thermal overload protection Trip circuit monitoring Circuit breaker failure protection Closing lockout Circuit breaker intertrip External trip initiation Parameter set switchover Monitoring functions Circuit breaker test Control of circuit breaker Flexible protection functions Undervoltage/overvoltage V Underfrequency/overfrequency F Without additional functions In stock
7SD8071-5EB97-3FA1 L0R Circuit Breaker Line differential protection Enclosure 1/6 19", 4 x I, 3 x U 5 BI, 8 BQ (2 changeover contacts) 1 live contact Interface copper (2-wire connection, twisted) measuring inputs: Iph = 1 A / 5 A, Ie = 1 A / 5 A rated auxiliary power: 60 V/ 110 V / 125 V/ 220 V/ 250 V DC 115 V / 230 V AC Installation enclosure, screw terminals region world, IEC/ANSI language English (language can be changed) front membrane standard system interface port B (device bottom side, on front) IEC 61850, 100 Mbit Ethernet, electr., double, RJ45 plug interface, port A (device bottom side, rear) redundant interface FOC for mono (24 km)/ multimode fiber (4 km), LC duplex plug measurement: fault recording, mean value formation, min./max. values functionality line differential protection inrush-current detection overcurrent protection phase I>, I>>,I>>>, Ip overcurrent protection ground In>.In>>,In>>>, Inp thermal overload protection trip-circuit supervision circuit-breaker failure protection restart inhibit intertripping scheme external trip initiation parameter set switchover supervision functions circuit-breaker test circuit-breaker control flexible protection functions undervoltage/overvoltage V underfrequency/overfrequency F supplementary function: transmission of 16 binary signals (via protection interface) In stock
7SJ6022-5EB00-1FB0 Circuit Breaker NUMERICAL OVERCURRENT-TIME PROTECT. RELAY SIPROTEC 7SJ602 OPTIONAL: MOTOR PROTECTION OPTIONAL: COMMUNICATION INTERFACE BINARY INPUT VOLTAGE:24 TO 250V MEASURING INPUTS (1 X V,3 X I): IPH = 1A, IE = SENSITIVE (IEE = 0.003 TO 1.5A) SUPPLY VOLTAGE: DC 110 TO 250V, AC 115V, 230V TRIGGER LEVEL BINARY INPUT 88V FLUSH MOUNTING, SCREW TERMINALS (DIRECT WIRING/RING LUGS) LANGUAGE ENGLISCH, GERMAN, FRENCH, SPANISH, 50/60HZ IEC/ANSI, REGION WORLD WITHOUT SYSTEM INTERFACE WITHOUT COMMAND WITH FAULT RECORDING FUNCTIONALITY: TOC+ PHASE OVERCURRENT (50/51) I>,I>>,IP,REVERSE INTERLOCKING, INDEPENDENT OF PHASE ROTATION GROUND OVERCURRENT (50N/51N) IE>, IE>>, IEP,OVERLOAD PROTEC. WITH 2 TIME CONSTANTS (49) TRIP CIRCUIT SUPERVISION (74TC) BREAKER-FAILURE PROTECT. (50BF) COLD LOAD PICKUP, NEGATIVE SEQUENCE (46) DIRECTIONAL SENSITIVE GROUND/ EARTH-FAULT DETECTION IEE>, IEE>>, IEP (67NS), DISPLACEMENT VOLTAGE (64) WITHOUT AUTOMATIC RECLOSING In stock
7SJ6611-5JB90-1FA0 L0S Circuit Breaker Digital multifunction protection Enclosure 1/3 19", 4 x U, 4 x I, 16 BI, 7 BQ, 1 live contact Without DIGSI 4/modem interf. MEASURING INPUTS (3 X U/ 4 X U, 4 X I) IPH = 1A, IN = 1A (MIN.= 0.05A) SUPPLY VOLTAGE: 110 TO 250V DC,115 TO 230V AC TRIGG.LEVEL BINARY INPUT DC 69V FLUSH MOUNTING CASE, SCREW-TYPE TERMINALS, GRAPHICAL DISPLAY LANGUAGE ENGLISH, 50/60HZ, IEC/ANSI, REGION WORLD, (LANGUAGE CHANGEABLE) SYSTEM PORT (ON REAR OF DEVICE) PORT B IEC 61850,100 MBIT ETHERNET OPTICAL, DOUBLE, LC-CONNECTOR MEASURING: FAULT RECORDING FUNCTIONALITY: TOC+ PHASE OVERCURRENT (50/51): I>,I>>,IP,REVERSE INTERLOCKING, INDEPENDENT OF PHASE ROTATION, GROUND OVERCURRENT (50N/51N): IE>, IE>>,IEP, OVERLOAD PROTECT.W. 2 TIME CONSTANTS(49) TRIP CIRCUIT SUPERVISION (74TC) UNDERCURRENT MONITORING (37), DISPLACEMENT VOLTAGE (59N/64), BREAKER FAILURE PROTECT. (50BF) COLD LOAD PICKUP, INRUSH BLOCKING, NEGATIVE SEQUENCE (46), LOCK OUT (86) WITHOUT AUTORECLOSE WITHOUT FAULT LOCATOR WITHOUT SYNCHRONIZATION In stock

Product Information

Product Details

Overcurrent Protection Relay 7SJ8041-5EB90-1FB0-Z L0A
7SJ8041-5EB90-1FB0-Z L0A

Overcurrent Protection Relay 7SJ8041-5EB90-1FB0-Z L0A

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Protection Relay Software 7SA5225-4CB92-4QR4 L0R
7SA5225-4CB92-4QR4 L0R

Protection Relay Software 7SA5225-4CB92-4QR4 L0R

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Protection Relay Software 7SD6101-5BB99-3BF0+L0S+M2G
7SD6101-5BB99-3BF0+L0S+M2G

Protection Relay Software 7SD6101-5BB99-3BF0+L0S+M2G

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Protective Relay 7SJ6115-4EA00-1FA0
7SJ6115-4EA00-1FA0

Protective Relay 7SJ6115-4EA00-1FA0

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Fast Lockout Relay 7PA2361-0
7PA2361-0

Fast Lockout Relay 7PA2361-0

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Overcurrent Protection Relay 7SJ8041-1EB90-1FC0 L0D
7SJ8041-1EB90-1FC0 L0D

Overcurrent Protection Relay 7SJ8041-1EB90-1FC0 L0D

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Overcurrent Protection Relay 7SJ82-DAAA-AA0-0AAAA0-AK0411-13111B-BAA000-000AB0-HB1BD4-JA0
7SJ82-DAAA-AA0-0AAAA0-AK0411-13111B-BAA000-000AB0-HB1BD4-JA0

Overcurrent Protection Relay 7SJ82-DAAA-AA0-0AAAA0-AK0411-13111B-BAA000-000AB0-HB1BD4-JA0

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Protective Relay 7SJ6327-5EB22-3FE1
7SJ6327-5EB22-3FE1

Protective Relay 7SJ6327-5EB22-3FE1

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Protective Relay 7SJ6452-5EB92-1FD0 L0S
7SJ6452-5EB92-1FD0 L0S

Protective Relay 7SJ6452-5EB92-1FD0 L0S

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