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
7SS5220-6AB02-1BA0 Circuit Breaker DISTRIBUTED BUSBAR/ CIRCUIT BREAKER FAILURE PROTECT. 7SS52 CENTRAL UNIT, 50/60HZ, FIRMWARE VERSION: V4 rated auxiliary voltage f. converter: 48 - 250 V DC in rack SIPAC region world, language English (language can be changed) without system interface service interface: DIGSI 4, electrical RS485 without supplementary function assembly for 16 bays In stock
7SS5220-6AB02-1CA0 Circuit Breaker DISTRIBUTED BUSBAR/ CIRCUIT BREAKER FAILURE PROTECT. 7SS52 CENTRAL UNIT, 50/60HZ, FIRMWARE VERSION: V4 RATED AUXILIARY VOLTAGE: DC 48 - 250V IN SUBRACK ES902C REGION WORLD, LANGUAGE: ENGLISH (LANGUAGE CHANGEABLE) WITHOUT SYSTEM INTERFACE SERVICE INTERFACE: DIGSI 4, ELECTRICAL RS485 WITHOUT ADDITIONAL FUNCTION EQUIPPED FOR 24 BAYS In stock
7SS5220-6AB32-1BA0 Circuit Breaker DISTRIBUTED BUSBAR/ CIRCUIT BREAKER FAILURE PROTECT. 7SS52 CENTRAL UNIT, 50/60HZ, FIRMWARE VERSION: V4 RATED AUXILIARY VOLTAGE: DC 48 - 250V IN SUBRACK ES902C REGION WORLD, LANGUAGE: ENGLISH (LANGUAGE CHANGEABLE) PROTOCOL IEC 60870-5-103, OPTICAL 820NM, ST-PLUG SERVICE INTERFACE: DIGSI 4, ELECTRICAL RS485 WITHOUT ADDITIONAL FUNCTION EQUIPPED FOR 16 BAYS In stock
7SS5220-6AB91-1CA0 L0R Circuit Breaker DISTRIBUTED BUSBAR/ CIRCUIT BREAKER FAILURE PROTECT. 7SS52 CENTRAL UNIT, 50/60HZ, FIRMWARE VERSION: V4 rated auxiliary voltage f. converter: 48 - 250 V DC in rack SIPAC region world, language English (language can be changed) IEC 61850, 100 Mbit Ethernet electrical,double,RJ45 plug service interface: DIGSI 4, electrical RS232 without supplementary function assembly for 24 bays In stock
7SS5220-6AB92-1BA0 L0R Circuit Breaker DISTRIBUTED BUSBAR/ CIRCUIT BREAKER FAILURE PROTECT. 7SS52 CENTRAL UNIT, 50/60HZ, FIRMWARE VERSION: V4 rated auxiliary voltage f. converter: 48 - 250 V DC in rack SIPAC region world, language English (language can be changed) IEC 61850, 100 Mbit Ethernet electrical,double,RJ45 plug service interface: DIGSI 4, electrical RS485 without supplementary function assembly for 16 bays In stock
7SS5220-6AB92-1BA0 L0S Circuit Breaker DISTRIBUTED BUSBAR/ CIRCUIT BREAKER FAILURE PROTECT. 7SS52 CENTRAL UNIT, 50/60HZ, FIRMWARE VERSION: V4 rated auxiliary voltage f. converter: 48 - 250 V DC in rack SIPAC region world, language English (language can be changed) IEC 61850, 100 Mbit Ethernet, with integr. switch, optical double, LC connector (EN100) service interface: DIGSI 4, electrical RS485 without supplementary function assembly for 16 bays In stock
7SS5220-6AB92-1FA0 L0S Circuit Breaker DISTRIBUTED BUSBAR/ CIRCUIT BREAKER FAILURE PROTECT. 7SS52 CENTRAL UNIT, 50/60HZ, FIRMWARE VERSION: V4 rated auxiliary voltage f. converter: 48 - 250 V DC in rack SIPAC region world, language English (language can be changed) IEC 61850, 100 Mbit Ethernet, with integr. switch, optical double, LC connector (EN100) service interface: DIGSI 4, electrical RS485 without supplementary function assembly for 48 bays In stock
7SS5220-6AB93-1CA0 L0R Circuit Breaker DISTRIBUTED BUSBAR/ CIRCUIT BREAKER FAILURE PROTECT. 7SS52 CENTRAL UNIT, 50/60HZ, FIRMWARE VERSION: V4 rated auxiliary voltage f. converter: 48 - 250 V DC in rack SIPAC region world, language English (language can be changed) IEC 61850, 100 Mbit Ethernet electrical,double,RJ45 plug service interface: DIGSI 4, optical 820 nm,ST conn. without supplementary function assembly for 24 bays In stock
7SS5231-5CA01-0AA1 Circuit Breaker DISTRIBUTED BUSBAR/ CIRCUIT BREAKER FAILURE PROTECT. 7SS52 BAY UNIT, 50/60HZ, FIRMWARE VERSION: V3 rated current: 1 A auxiliary voltage: 48 - 250 V DC in housing 7XP2040-2 for switch panel/cabinet flush mounting without overcurrent protection In stock
7SS5231-5EA01-0AA1 Circuit Breaker DISTRIBUTED BUSBAR/ CIRCUIT BREAKER FAILURE PROTECT. 7SS52 BAY UNIT, 50/60HZ, FIRMWARE VERSION: V3 RATED CURRENT: 1A AUXILIARY SUPPLY: DC 60 - 250V IN 7XP2040-2 CASE FOR PANEL FLUSH MOUNTING/ CUBICLE MOUNTING WITHOUT GLASS PANE WITHOUT OVERCURR.-TIME PROTECT. In stock

Product Information

Product Details

Overcurrent Protection Relay 7SJ8071-1EB90-1FA0 L0S
7SJ8071-1EB90-1FA0 L0S

Overcurrent Protection Relay 7SJ8071-1EB90-1FA0 L0S

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Protective Relay 7SJ6211-5EB90-1FE0 L0S
7SJ6211-5EB90-1FE0 L0S

Protective Relay 7SJ6211-5EB90-1FE0 L0S

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P1 Panelboard P1F171760
P1F171760

P1 Panelboard P1F171760

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Protective Relay 7SJ6412-4EB32-1HH1
7SJ6412-4EB32-1HH1

Protective Relay 7SJ6412-4EB32-1HH1

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Protective Relay 7SJ6315-5EE92-3FA0 L0G
7SJ6315-5EE92-3FA0 L0G

Protective Relay 7SJ6315-5EE92-3FA0 L0G

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Distance Protection Relay 7SA6111-5AB91-0FQ4 L0S
7SA6111-5AB91-0FQ4 L0S

Distance Protection Relay 7SA6111-5AB91-0FQ4 L0S

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Motor Protection Unit 7SK8031-5EB90-1HE0 L0D
7SK8031-5EB90-1HE0 L0D

Motor Protection Unit 7SK8031-5EB90-1HE0 L0D

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Differential Protection Relay 7UT6121-4EB92-1BA0 L0D
7UT6121-4EB92-1BA0 L0D

Differential Protection Relay 7UT6121-4EB92-1BA0 L0D

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Overcurrent Protection Relay 7SJ8041-1EB96-3FC2+L0D
7SJ8041-1EB96-3FC2+L0D

Overcurrent Protection Relay 7SJ8041-1EB96-3FC2+L0D

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