“There are no reviews yet — be the first to share your experience.”Your company · September 20, 2026

Photos of the actual unit are provided before shipment on request.
Overcurrent Protection Relay 7SJ8021-5EG90-1FA1 L0S
MLFB / Order No.: 7SJ8021-5EG90-1FA1 L0SProduct Description
OVERCURRENT PROTECTION RELAY HOUSING 1/6 19", 4 X I, 7 BI, 8 BO, (2 CHANGEOVER) 1 LIVE STATUS CONTACT MEASURING INPUTS: IPH = 1A / 5A, IE = 1A / 5A RATED AUXILIARY VOLTAGE DC 60V/ 110V / 125V/ 220V, AC 115V/ 230V FLUSH-MOUNTING CASE, SCREW-TYPE TERMINAL REGION RUS, IEC/ANSI LANGUAGE RUSSIAN (LANGUAGE CHANGEABLE) STANDARD FRONT SYSTEM PORT, PORT B (ON BOTTOM OF DEVICE, REAR) IEC 61850, 100MBIT ETHERNET, WITH INTEGRATED SWITCH OPTICAL, DOUBLE, LC-CONNECTOR NO SYSTEM PORT A METERING: FAULT RECORDING FUNCTIONALITY: TOC+ PHASE OVERCURRENT (50/51) I>,I>>,I>>>,IP, TIME OVERCURR.PROTECTION GROUND 50N/51N, IE>, IE>>,IE>>>, IEP GROUND FAULT PROTECTION IEE>.IEE>>,IEEP OVERLOAD PROTECTION (49) TRIP CIRCUIT SUPERVISION (74TC) CIRCUIT BREAKER FAILURE PROTECT NEGATIVE SEQUENCE PROTECTION UNDERCURRENT MONITORING (37) LOCK OUT (86) PARAMETER CHANGEOVER MONITORING FUNCTIONS CONTROL OF CIRCUIT BREAKER FLEXIBLE PROTECTION FUNCTIONS (CURRENT PARAMETERS) INRUSH RESTRAINT WITH AUTOMATIC RECLOSING
- ManufacturerSiemens
- Product NameOvercurrent Protection Relay 7SJ8021-5EG90-1FA1 L0S
- Order Number7SJ8021-5EG90-1FA1
- Product DescriptionPower Component for power-system and substation automation applications.
- Voltage60V
- Current1A
- InterfaceETHERNET
- CategoryEnergy and Power Systems > Protection Relays and Grid Protection
- Product TypeOvercurrent Protection Relay
- CertificationsIEC
- StandardIEC 61850
- HS Code (8-digit, Preliminary)85285990
- OriginGermany
- Warranty12 months
Related
Often Ordered Together
CUSTOMER FEEDBACK
Trusted by industrial purchasing teams.
Verified sourcing support, clear communication and export-ready delivery for Overcurrent Protection Relay 7SJ8021-5EG90-1FA1 L0S.
SHARE YOUR EXPERIENCE
Purchased this product from us?
Your feedback helps other industrial buyers. Reviews are checked before publication.