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Hardware flexibility
Flexibly adjustable and expandable I/O quantity structure within the scope of the SIPROTEC 5 modular system.
Why SIPROTEC 7UT86?
SIPROTEC 7UT86 is a modular differential protection relay for three-winding transformers that serves as main protection for critical assets.
Protect your transformers and connected grid assets from faults and operational disturbances. SIPROTEC 7UT86 provides robust differential protection and additional function to act as backup for objects like cables, lines and shunt reactors.
Adapt hardware to your needs with modular expandability. Configure all functions using the DIGSI 5 engineering tool for a custom setup. Improve operational security with cybersecurity features like role-based access control and secure network access for reliable data integrity and system resilience.
Key benefits
Perform in tough conditions
Maintain high operational availability in challenging conditions. Conformal coating on electronic boards provides reliable performance and safeguards your critical infrastructure.
Simplify operation
The intuitive, user-friendly design helps operators easily handle devices and configure functions for efficient operation. Reduce complexity for device and software management.
Integrate your system
Achieve full compatibility across IEC 61850 Editions 1, 2.0 and 2.1 for integration across your operational environment, even with diverse system architectures.
FEATURED CAPABILITIES
Main function
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Cybersecurity
Extensive cybersecurity functionality, such as role-based access control (RBAC), protocoling security-related events, signed firmware or authenticated network access IEEE 802.1X.
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Graphical logic editor
Graphical logic editor to create powerful automation functions in the device.
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Protect three-winding transformers
SIPROTEC 7UT86 offers differential protection for 3-winding (expandable to 4-winding) transformers. Compares currents for rapid internal fault tripping, boosting transformer/power system stability & versatility.