Technical Specifications
| Item |
Specification |
| Manufacturer |
Siemens |
| Product Family |
SIPROTEC 5 |
| Model |
7UT5121-4CB01-0AA0/LL |
| Device Type |
Transformer Differential Protection Relay |
| Primary Protection |
Transformer differential protection |
| Configuration Software |
DIGSI 5 |
| Logic Functions |
Programmable logic with user-configurable automation functions |
| Installation |
Control panels and substation protection cabinets |
| Hardware Configuration |
Defined by MLFB ordering code |
Contact Information
Our team offers prompt quotations, inventory checks, flexible shipping options, and professional customer service to support your procurement needs.
- Website:Https://www.plcexport.com/
- Sales Manager: Myrtle
- 💬Email: sales5@askplc.com
- 📱Phone (WhatsApp): +86-18950128464
Product Overview
The Siemens 7UT5121-4CB01-0AA0/LL is a configuration of the SIPROTEC 5 7UT85 Transformer Differential Protection Relay, designed for the protection of power transformers, reactors, and related electrical equipment in medium- and high-voltage networks. It combines differential protection with integrated backup protection and monitoring functions, enabling reliable fault detection while maintaining high operational stability during normal load conditions and transformer energization.
Built on the SIPROTEC 5 platform, the relay supports flexible hardware configurations, programmable logic, extensive diagnostics, and advanced communication capabilities for modern digital substations. Engineering and parameterization are performed using DIGSI 5, allowing the device to be adapted to a wide range of transformer protection applications.
Key Features
- Stable operation during transformer energization through harmonic restraint techniques.
- Suitable for two-winding and multi-winding transformer protection applications.
- Programmable automation logic for customized protection and control schemes.
- Comprehensive event recording, disturbance recording, and diagnostics for efficient fault analysis.
- Compatible with DIGSI 5 engineering software for configuration, commissioning, and maintenance.
Frequently Asked Questions
Which equipment can this relay protect?
+
-
It is suitable for power transformers, autotransformers, shunt reactors, and similar high-value assets used in electrical transmission and distribution systems.
Can the relay record fault information?
+
-
Yes. It provides event logs, disturbance records, and diagnostic information to assist with fault analysis and maintenance.
Is programmable logic available?
+
-
Yes. The device includes programmable logic functions that allow users to implement customized automation and interlocking applications.
ABOUT US
PLCEXPORT is a globally renowned trading company specializing in industrial automation components, focusing on providing customers with core components such as PLCs, DCSs, drives, and HMIs, as well as hard-to-find or discontinued industrial automation spare parts. We make high-quality products easily accessible to customers worldwide.
More Options
|
Brand |
Model |
Brand |
Model |
|
HONEYWELL |
51304518-150 |
HONEYWELL |
51403645-400 |
|
HONEYWELL |
51402615-400 |
HONEYWELL |
CC-TDOB11 51308373-175 |
|
HONEYWELL |
10020/1/2 |
HONEYWELL |
51202324-100 |
|
HONEYWELL |
05701-A-0301 |
HONEYWELL |
51202324-300 |
|
HONEYWELL |
51402573-250 |
HONEYWELL |
51202329-402 |
|
HONEYWELL |
51304831-100 |
HONEYWELL |
51202329-602 |
|
HONEYWELL |
51305072-600 |
HONEYWELL |
51202329-616 |
|
HONEYWELL |
51202343-001 |
HONEYWELL |
51202329-732 |
|
AB |
1756-TBS6H |
AB |
1326AB-B430E-21 |
|
AB |
1756-SYNCH |
AB |
1785-V40L |
|
AB |
1794-OB16PXT |
AB |
MPL-B330P-SJ24AA |
|
AB |
2711-K6C8 |
AB |
2711-K5A10 |
|
AB |
1336F-BRF75-AE-DE |
AB |
1794-IM8 |
|
AB |
1746-INT4 |
AB |
1794-OB16P |
|
AB |
1775-LX |
AB |
2094-AM01 |
|
AB |
1756-DMD30 |
AB |
1336F-MCB-SP1C |
|
AB |
81000-199-52-R |
AB |
1771-IR |
|
AB |
1746-NR4 |
AB |
MIM105-Q6949 80026-096-01 |
|
AB |
80190-560-02-R |
AB |
2711-B5A1 |
Hot Tags :7UT5121-4CB01-0AA0/LL ;7UT5121-4CB01-0AA0/LL ProSoft;7UT5121-4CB01-0AA0/LL pdf;7UT5121-4CB01-0AA0/LL datasheet;7UT5121-4CB01-0AA0/LL manual;7UT5121-4CB01-0AA0/LL sell;7UT5121-4CB01-0AA0/LL new;
Hot Tags: siemens 7ut5121-4cb01-0aa0/ll digital protection relay, China siemens 7ut5121-4cb01-0aa0/ll digital protection relay manufacturers, suppliers
