SIEMENS 7SD8071-5EB97-1FB1/BB DIFFERENTIAL PROTECTION RELAY

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SIEMENS 7SD8071-5EB97-1FB1/BB DIFFERENTIAL PROTECTION RELAY

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SIEMENS 7SD8071-5EB97-1FB1/BB DIFFERENTIAL PROTECTION RELAY Specification

Application
Transformer, generator, and line differential protection

Rated Power
12W typical

Cooling Method
Natural convection

Power Supply
Universal (AC/DC)

Power Factor
>0.95

Working Temperature
-25C to +70C

Output Type
Relay output, digital and analog outputs

Output Current
Max. 5A on relay outputs

Operating Temperature
-25C to +70C

Features
Integrated protection, automation, IEC 61850 communication, event recording

Phase
Three-phase system compatible

Rated Current
Nominal 1A/5A

Noise Level
Low, complies with IEC standards

Connector Type
Screw terminal connections

Current Range
1A and 5A CT inputs

Product Type
Differential Protection Relay

Output Power
Auxiliary Contacts: 5A / 250V AC

Output Frequency
50/60 Hz

Input Voltage
24V to 250V DC / 110V to 240V AC universal power supply

Voltage Protection
Yes, Overvoltage and Undervoltage Protection

Efficiency
High operational reliability, >98%

Material
Industrial grade plastic housing

Line Regulation
High immunity to voltage fluctuations

Storage Temperature
-40C to +85C

Weight
Approx. 3.5 kg

About SIEMENS 7SD8071-5EB97-1FB1/BB DIFFERENTIAL PROTECTION RELAY

Experience radiant protection and blue-ribbon reliability with the SIEMENS 7SD8071-5EB97-1FB1/BB Differential Protection Relay. Safeguard your assets with astonishing efficiency greater than 98%, while advanced protocols like IEC 61850 and MODBUS assure instant savings and seamless integration. Its large graphical LCD and configurable trip output relays offer intuitive control, while comprehensive event and fault recording empower you to stay in command. Select this top-tier, microprocessor-based relay with universal power input and robust constructionorder today for unmatched transformer, generator, and line differential protection.

Versatile Application and Advanced Features

The SIEMENS 7SD8071-5EB97-1FB1/BB Differential Protection Relay excels in transformer, generator, and line differential protection. Its industrial-grade plastic housing guarantees durability, while integrated event and fault recorders, multiple communication protocols, and high immunity to voltage fluctuations make it suitable for demanding environments. The relay provides multi-phase compatibility and configurable outputs, ensuring adaptable performance across power installations. Its large graphical LCD and user-friendly interface further support easy configuration and real-time monitoring, ideal for modern substations and power plants.

Main Export Markets and Shipping Details

SIEMENS 7SD8071-5EB97-1FB1/BB is a preferred choice for both domestic and international markets, including major exports from India. The relay is typically shipped via FOB ports such as Mumbai, facilitating secure goods transport and prompt delivery. With list prices available upon request, payment terms can include advance TT or LC as agreed. Shipped goods are securely packed to prevent damage in transit, ensuring the product arrives in pristine condition to meet rigorous industry requirements worldwide.

FAQs of SIEMENS 7SD8071-5EB97-1FB1/BB DIFFERENTIAL PROTECTION RELAY:

Q: How does the SIEMENS 7SD8071-5EB97-1FB1/BB Differential Protection Relay improve operational safety?

A: The relay offers advanced differential, inrush, and overcurrent protection, ensuring quick isolation of faults and safeguarding critical electrical equipment such as transformers and generators.

Q: What types of communication protocols are supported by this relay?

A: This model supports IEC 61850, IEC 60870-5-103, MODBUS, and DNP 3.0, providing maximum flexibility for integration into diverse automation systems.

Q: Where can the 7SD8071-5EB97-1FB1/BB be installed?

A: It can be conveniently rack- or DIN rail-mounted in substations, power plants, or industrial switchgear rooms for line or transformer differential protection.

Q: When is the best time to update the firmware, and how is it done?

A: Firmware updates are recommended during scheduled maintenance periods and are easily performed via the front USB or Ethernet (RJ45) port.

Q: What materials are used in this relay and how do they contribute to its longevity?

A: The relay features an industrial-grade plastic housing that ensures long-term durability and resistance to harsh environmental conditions, making it suitable for demanding applications.

Q: How does the unit facilitate fault analysis and event tracking?

A: Integrated event and fault recorders with precise time stamping enable quick and accurate fault analysis, enhancing system reliability and maintenance efficiency.