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Siemens SIPROTEC 5 7UT82 Transformer Differential Protection Relay

Siemens SIPROTEC 5 7UT86 Transformer Differential Protection Relay

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Technical Specifications

Main function: Transformer differential protection (standard or autotransformer) with additional stabilization; Up to 2 differential ground-fault protections.

Measuring Points: 2 three-phase current measuring points, 2 single-phase current measuring points.

Inputs and Outputs:

1 predefined standard variant with 8 current transformers

7 binary inputs

7 binary outputs

Hardware Flexibility:

1/3 base module with IO103, no 1/6 expansion modules possible

Available with large or small display

Housing Width: 1/3 × 19”

Communication:

Integrated Ethernet RJ45 for DIGSI 5 and IEC 61850

Optional communication modules for different protocols (IEC 61850, Modbus, DNP3, etc.)

Cybersecurity: Compliant with NERC CIP and BDWE requirements

Phasor Measurement Unit (PMU): Supports synchrophasor measurements with IEEE C37.118 protocol.

Differential protection for 3- and 4-winding transformers

Up to 7 measuring points supported (expandable)

Supports 12 current transformers and 4 voltage transformers

Flexible I/O structure with up to 23 binary inputs and 34 binary outputs

High-speed protection with fast fault detection

Application templates available in DIGSI 5

Modular design for system scalability

Circuit-breaker failure protection

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Delivery on site

Visa, MasterCard and Crypto

Product return guarantee

Guarantee of authenticity of goods

24-hour support