★★★★★
“Arrived double-boxed with the factory seal intact. Documentation included. Exactly what our maintenance team needed.”R. Kowalski · October 23, 2026
Photos of the actual unit are provided before shipment on request.
Differential Protection Relay 7UT6121-5EB30-1BA0
MLFB / Order No.: 7UT6121-5EB30-1BA0Prices are indicative USD list prices. Final pricing depends on quantity, destination and current exchange rate — confirmed in your quote within 24 hours. Availability is confirmed per request.
Product Description
DIGITAL DIFFERENTIAL PROTECTION RELAY, FOR TRANSFORMER, GENERATORS, MOTOR AND SHORT CABLE 4-LINE ALPHANUM.BACKLIT DISPLAY 7 PROGRAMMABLE LED, NAVIGATION KEYS, FUNCTION KEYS, CASE 1/3 X 19", 3BI, 4BO, 1 WATCHDOG CONTACT, 7I, IEE, CURRENT TRANSFORMER: 1A SUPPLY VOLTAGE:DC 110V TO 250V, AC 115V/230V, TRIGGER LEVEL BINARY INPUT 88V FLUSH MOUNTING CASE, SCREW TERMINALS (DIRECT WIRING/RING LUGS) REGION WORLD, 50/60HZ, IEC/ANSI, LANGUAGE ENGLISH (LANGUAGE CHANGEABLE) SYSTEM PORT (ON REAR OF DEVICE) PORT B IEC 60870-5-103 PROTOCOL, 820NM FIBER, ST-PLUG, WITHOUT DIGSI 4/MODEM PORT BASIS MEASURED VALUES, FAULT RECORDING RESTRICTED EARTH FAULT LOW IMPEDANCE (87N) UMZ - 1-PHASE FOR RESTRICTED EARTH FAULT HIGH IMPEDANCE (87N W/O RESISTOR AND VARISTOR) SENSITIVE OVERCURR.-TIME PROT./ TANK PROTECTION (64) NEGATIVE SEQUENCE PROTECT. (46) BREAKER FAILURE PROTECT. (50BF) TRIP CIRCUIT SUPERVISION (74TC)
- ManufacturerSiemens
- Product NameDIGITAL DIFFERENTIAL PROTECTION RELAY
- Order Number7UT6121-5EB30-1BA0
- Product DescriptionPower Component for power-system and substation automation applications.
- Voltage110V
- Current1A
- Frequency60 Hz
- CategoryEnergy and Power Systems > Protection Relays and Grid Protection
- Product TypeTransformer
- Phases1
- CertificationsIEC
- StandardIEC 60870-5-103
- MountingFlush Mount
- DisplayDISPLAY 7
- Torque820 Nm
- HS Code (8-digit, Preliminary)85285990
- OriginGermany
- Warranty12 months
Related
Often Ordered Together
3WL1240-2FG77-4FA4-Z A61+A80+C01+C22+F12+F23+R16+R21+R30+R55+S71+T40
Circuit Breaker 3WL1240-2FG77-4FA4-Z A61+A80+C01+C22+F12+F23+R16+R21+R30+R55+S71+T40
View Details CUSTOMER FEEDBACK
Trusted by industrial purchasing teams.
Verified sourcing support, clear communication and export-ready delivery for Differential Protection Relay 7UT6121-5EB30-1BA0.
SHARE YOUR EXPERIENCE
Purchased this product from us?
Your feedback helps other industrial buyers. Reviews are checked before publication.