“We ordered a batch of spares including this item. Everything arrived complete with manuals and certificates. Will use them again.”J. Patel · October 23, 2026

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Protection Relay Software 7UT6121-5EB90-1AA0 L0A
MLFB / Order No.: 7UT6121-5EB90-1AA0 L0AProduct Description
DIGIT. DIFFERENT. PROTEC. RELAY CASE 1/3 19", 3BI, 4BO 1 WATCHDOG CONTACT, 7I, IEE CURRENT TRANSFORMER: 1A SUPPLY VOLTAGE: DC 110V TO 250V,AC 115V TO 230V TRIGG.LEVEL BINARY INPUT DC 88V FLUSH-MOUNTING CASE, SCREW TERMINALS (DIRECT WIRING/RING LUGS) LANGUAGE ENGLISH 50/60HZ, IEC/ANSI, REGION WORLD (LANGUAGE CHANGEABLE) ON REAR OF DEVICE PORT B PROFIBUS DP SLAVE, RS485 ON REAR OF DEVICE PORT C WITHOUT DIGSI 4 /MODEM PORT BASIS MEASURED VALUES, FAULT RECORDING FUNCTIONALITY: BASIC VERSION
- ManufacturerSiemens
- Product NameProtection Relay Software 7UT6121-5EB90-1AA0 L0A
- Order Number7UT6121-5EB90-1AA0
- Product DescriptionPower Component for power-system and substation automation applications.
- Voltage110V
- Current1A
- Frequency60 Hz
- CategoryEnergy and Power Systems > Protection Relays and Grid Protection
- Product TypeProtection Relay Software
- CertificationsIEC
- InterfacePROFIBUS
- HS Code (8-digit, Preliminary)85176299
- OriginGermany
- Warranty12 months
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