Energy and Power Systems
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
| Order No. (MLFB) | Model / Type | Description | Status |
|---|---|---|---|
| 7PG1741-1BD10-4AA0 | 7PG | RELAY XR153 D.C. SUPPLY SUPERVISION SINGLE ELEMENT, SELF RESET CONTACTS, HAND RESET FLAG, FOUR CONTACTS, CASE SIZE E2 (4U HIGH) CONTACT ARRANGEMENT: 1NO/ 3NC VOLTAGE RATING: 125V DC VOLTAGE RATING (ALARM): NOT APPLICABLE BACK EMF SUPPRESSION DIODE: NOT FITTED | In stock |
| 7PG1753-3BD10-4BE0 | 7PG | TRIP CIRCUIT SUPERVISION RELAY XR350 THREE ELEMENT, SELF RESET CONTACTS, SELF RESET FLAG CONTACT ARRANGEMENT: 1NO/3NC FOUR CONTACTS VOLTAGE RATING: 125V DC CASE SIZE E3 (4U HIGH) VOLTAGE RATING (ALARM): 125V DC BACK EMF SUPPRESSION DIODE: NOT FITTED | In stock |
| 7PG1753-3CC10-4BE0 | 7PG | TRIP CIRCUIT SUPERVISION RELAY XR350 THREE ELEMENT, SELF RESET CONTACTS, SELF RESET FLAG CONTACT ARRANGEMENT: 2NO/2NC FOUR CONTACTS, VOLTAGE RATING: 125V DC CASE SIZE E3 (4U HIGH) VOLTAGE RATING (ALARM): 125V DC BACK EMF SUPPRESSION DIODE: NOT FITTED | In stock |
| 7SD5221-4AB29-0CK0 M0B | 7SD | TWO TERMINAL DIFFERENT. RELAY WITH 4-LINE DISPLAY MEASUREMENT INPUT: IPH = 1A; IE = 1A AUXIL. VOLTAGE: 60V TO 125V DC BINARY INPUT THRESHOLD 19V FLUSH-MOUNTING HOUSING WITH SCREW TERMINALS 1/2 X 19", 8 BI, 15 BO, 1 LIVE-STATUS CONTACT REGION WORLD,LANGUAGE UK-ENGL. (LANGUAGE CHANGEABLE) IEC 60870-5-103,ELECTRIC. RS485 NO DIGSI INTERFACE ON REAR OF DEVICE, PROTECTION INTERFACE 1: OPTICAL 820NM,TWO ST-CONNECTORS FO LENGTH UP TO 3,5KM FOR DIRET CONNECTION VIA MULTIMODE FIBER FUNCTION 1: TRIP MODE 3-POLE ONLY, WITHOUT AUTO RECLOSURE FUNCTION WITHOUT SYNCHRONISM CHECK WITH OVERCURRENT PROTECTION/ BREAKER FAILURE PROTECTION WITH 4 REMOTE COMMANDS, WITH 24 REMOTE MESSAGES, WITHOUT TRANSFORMER EXTENSIONS FAULT LOCATOR 1-SIDE MEASURING WITH VOLTAGE-/FREQUENCY PROTEC. W/O MEASURED VALUES EXTENDED, W/O EXTERNAL GPS-SYNCHRONIZAT. WITHOUT CAPACITIVE CURRENT LOAD COMPENSATION | In stock |
| 7SD5221-4AB29-4FJ0 M0A | 7SD | TWO TERMINAL DIFFERENT. RELAY WITH 4-LINE DISPLAY MEASUREMENT INPUT: IPH = 1A; IE = 1A AUXIL. VOLTAGE: 60V TO 125V DC BINARY INPUT THRESHOLD 19V FLUSH-MOUNTING HOUSING WITH SCREW TERMINALS 1/2 X 19", 8 BI, 15 BO, 1 LIVE-STATUS CONTACT REGION WORLD,LANGUAGE UK-ENGL. (LANGUAGE CHANGEABLE) IEC 60870-5-103,ELECTRIC. RS485 NO DIGSI INTERFACE ON REAR OF DEVICE, PROTECTION INTERFACE 1: OPTICAL 820NM,TWO ST-CONNECTORS FO LENGTH UP TO 1,5KM, FOR MULTIMODE FIBER FOR DIRECT CONNECTION OR COMMUNICATION NETWORKS FUNCTION 1: TRIP MODE 3-POLE ONLY, WITHOUT AUTO RECLOSURE FUNCTION WITH SYNCHRONISM CHECK WITH TIME OVERCURRENT PROTECT./ BREAKER FAILURE PROTECTION/ EARTH FAULT PROTECTION, DIRECTIONAL GROUND (EARTH)- FAULT PROTECTION WITH 4 REMOTE COMMANDS, WITH 24 REMOTE MESSAGES, WITHOUT TRANSFORMER EXTENSIONS FAULT LOCATOR 1-SIDE MAESURING W/O MEASURED VALUES EXTENDED, W/O EXTERNAL GPS-SYNCHRONIZAT. WITHOUT CAPACITIVE CURRENT LOAD COMPENSATION | In stock |
| 7SD5221-4CB99-4CJ0 L0A+M1A | 7SD | TWO TERMINAL DIFFERENT. RELAY WITH 4-LINE DISPLAY MEASUREMENT INPUT: IPH = 1A; IE = 1A AUXIL. VOLTAGE: 60V TO 125V DC BINARY INPUT THRESHOLD 19V FLUSH-MOUNTING HOUSING WITH SCREW TERMINALS 1/1 X 19", 16 BI, 23 BO, 1 LIVE-STATUS CONTACT REGION WORLD,LANGUAGE UK-ENGL. (LANGUAGE CHANGEABLE) PROFIBUS DP SLAVE,ELECTR. RS485 INTERFACE ON REAR OF DEVICE DIGSI 4, ELECTRICAL RS232 PROTECTION INTERFACE 1: OPTICAL 820NM,TWO ST-CONNECTORS FO LENGTH UP TO 1,5KM FOR MULTIMODE FIBER FOR DIRECT CONNECTION OR COMMUNICATION NETWORKS FUNCTION 1: TRIP MODE 3-POLE ONLY, WITHOUT AUTO RECLOSURE FUNCTION WITH SYNCHRONISM CHECK WITH OVERCURRENT PROTECTION/ BREAKER FAILURE PROTECTION WITH 4 REMOTE COMMANDS, WITH 24 REMOTE MESSAGES, WITHOUT TRANSFORMER EXTENSIONS FAULT LOCATOR 1-SIDE MAESURING W/O MEASURED VALUES EXTENDED, W/O EXTERNAL GPS-SYNCHRONIZAT. WITHOUT CAPACITIVE CURRENT LOAD COMPENSATION | In stock |
| 7SD5221-4CB99-4CJ0 L0S+M0A | 7SD | TWO TERMINAL DIFFERENT. RELAY WITH 4-LINE DISPLAY MEASUREMENT INPUT: IPH = 1A; IE = 1A AUXIL. VOLTAGE: 60V TO 125V DC BINARY INPUT THRESHOLD 19V FLUSH-MOUNTING HOUSING WITH SCREW TERMINALS 1/1 X 19", 16 BI, 23 BO, 1 LIVE-STATUS CONTACT REGION WORLD,LANGUAGE UK-ENGL. (LANGUAGE CHANGEABLE) IEC 61850,100 MBIT ETHERNET WITH INTEGRATED SWITCH OPTICAL, DOUBLE, LC-CONNECTOR (FROM OCT. 09) NO DIGSI INTERFACE ON REAR OF DEVICE, PROTECTION INTERFACE 1: OPTICAL 820NM,TWO ST-CONNECTORS FO LENGTH UP TO 1,5KM, FOR MULTIMODE FIBER FOR DIRECT CONNECTION OR COMMUNICATION NETWORKS FUNCTION 1: TRIP MODE 3-POLE ONLY, WITHOUT AUTO RECLOSURE FUNCTION WITH SYNCHRONISM CHECK WITH OVERCURRENT PROTECTION/ BREAKER FAILURE PROTECTION WITH 4 REMOTE COMMANDS, WITH 24 REMOTE MESSAGES, WITHOUT TRANSFORMER EXTENSIONS FAULT LOCATOR 1-SIDE MAESURING W/O MEASURED VALUES EXTENDED, W/O EXTERNAL GPS-SYNCHRONIZAT. WITHOUT CAPACITIVE CURRENT LOAD COMPENSATION | In stock |
| 7SD5221-4DB29-3BN0 M2A | 7SD | TWO TERMINAL DIFFERENT. RELAY WITH 4-LINE DISPLAY MEASUREMENT INPUT: IPH = 1A; IE = 1A AUXIL. VOLTAGE: 60V TO 125V DC BINARY INPUT THRESHOLD 19V FLUSH-MOUNTING HOUSING WITH SCREW TERMINALS 1/1 X 19", 24 BI, 31 BO, 1 LIVE-STATUS CONTACT REGION WORLD,LANGUAGE UK-ENGL. (LANGUAGE CHANGEABLE) IEC 60870-5-103,ELECTRIC. RS485 INTERFACE ON REAR OF DEVICE DIGSI 4, ELECTRICAL RS485 PROTECTION INTERFACE 1: OPTICAL 820NM,TWO ST-CONNECTORS FO LENGTH UP TO 1,5KM FOR MULTIMODE FIBER FOR DIRECT CONNECTION OR COMMUNICATION NETWORKS FUNCTION 1: TRIP MODE 1- AND 3-POLE, WITH AUTO RECLOSURE FUNCTION, WITHOUT SYNCHRONISM CHECK WITH EMERGENCY/BACKUP TIME OVERCURRENT PROTECTION WITH 4 REMOTE COMMANDS, WITH 24 REMOTE MESSAGES, WITH TRANSFORMER EXPANSIONS FAULT LOCATOR 1-SIDE MEASURING W/O MEASURED VALUES EXTENDED, W/O EXTERNAL GPS-SYNCHRONIZAT. WITHOUT CAPACITIVE CURRENT LOAD COMPENSATION | In stock |
| 7SD5221-5PB99-9HM7+M2G+N7G+L0S | 7SD | RELAY | In stock |
| 7SD5221-5PB99-9HV7-Z L0S+M2J+N7A | 7SD | TWO TERMINAL DIFFERENT. RELAY WITH 4-LINE DISPLAY | In stock |
Product Information
