SIEMENS 7SD8031-5EB90-1FA1/BB DIFFERENTIAL PROTECTION RELAY

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SIEMENS 7SD8031-5EB90-1FA1/BB DIFFERENTIAL PROTECTION RELAY

Name: SIEMENS 7SD8031-5EB90-1FA1/BB DIFFERENTIAL PROTECTION RELAY
Brand: LOHIYA ELECTRICALS
Price: 10000.0 INR
Availability: InStock

Price 10000.0 INR/ Piece

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MOQ : 1 Piece

SIEMENS 7SD8031-5EB90-1FA1/BB DIFFERENTIAL PROTECTION RELAY Specification

Cooling Method
Natural Air Cooling

Output Type
Relay Output

Working Temperature
-15C to +55C

Noise Level
Low (Relay-based Operation)

Phase
Three Phase (Suitable for 3-phase systems)

Current Range
1A / 5A CT input selectable

Features
Disturbance Recorder, Fault Locator, IEC 61850 Protocol, Human Machine Interface

Application
Transformer, Generator, Busbar Differential Protection

Power Supply
80-250V DC/AC

Connector Type
Plug-in Terminal

Operating Temperature
-15C to +55C

Product Type
Differential Protection Relay

Output Frequency
50/60 Hz

Input Voltage
80V to 250V DC/AC (Auxiliary Supply)

Voltage Protection
Yes, Over/Under Voltage Protection

Efficiency
High (Standard for SIEMENS relays)

Material
High Grade Industrial Plastic & Metal

Storage Temperature
-25C to +70C

Weight
Approx. 3.5 kg

Relay Contacts
4 Changeover Contacts

Enclosure Protection
IP54 (Front), IP20 (Rear)

Configuration
Configurable Using DIGSI Software

Display
Wide Format Backlit LCD

Indication
LCD Display with LED Status Indication

Response Time
< 20 ms

Mounting Type
Panel Mount

Digital Communication Protocol
IEC 61850, IEC 60870-5-103, DNP 3.0

Series
SIPROTEC 7SD8031

Protection Functions
Differential, Overcurrent, Earth Fault, Trip Circuit Supervision

Measurement Accuracy
High Precision Measuring Algorithm

SIEMENS 7SD8031-5EB90-1FA1/BB DIFFERENTIAL PROTECTION RELAY Trade Information

Minimum Order Quantity
1 Piece

Payment Terms
Cash Advance (CA), Telegraphic Transfer (T/T)

Supply Ability
1 Piece Per Day

Delivery Time
3 Days

Sample Available
No

Main Export Market(s)
Asia, Australia, Eastern Europe, Western Europe, Middle East, Africa, Central America, North America, South America

Main Domestic Market
All India

About SIEMENS 7SD8031-5EB90-1FA1/BB DIFFERENTIAL PROTECTION RELAY

SIEMENS 7SD8031-5EB90-1FA1/BB DIFFERENTIAL PROTECTION RELAY Supplier In Bhavnagar, Gujarat, India

Lohiya Electricals deals in all types of Industrial Automation Products and We are dealing in all of India.

Model No:- 7SD8031-5EB90-1FA1/BB

Product Name:- SIEMENS 7SD8031-5EB90-1FA1/BB DIFFERENTIAL PROTECTION RELAY

Brand:- SIEMENS

Condition:- USED CONDITION

SIEMENS 7SD8031-5EB90-1FA1/BB DIFFERENTIAL PROTECTION RELAY in stock.

Note:- Custom/Duty and charges will be paid by the buyer (if any)

MORE INFORMATION ABOUT THIS PRODUCT

Description:-

SIEMENS
7SD8031-5EB90-1FA1/BB
DIFFERENTIAL PROTECTION

PLEASE CHECK LABEL PHOTO FOR MORE INFORMATION

UPLOADED BY:- HAFIZ SUMRA

Comprehensive Protection for Critical Assets

The SIEMENS 7SD8031-5EB90-1FA1/BB relay delivers multi-faceted protection, combining differential, overcurrent, earth fault, and trip circuit supervision in one device. Its quick response and precise measurement algorithms make it ideal for safeguarding vital electrical infrastructure such as transformers, generators, and busbars.

Advanced Communication & Configuration

Equipped with IEC 61850, IEC 60870-5-103, and DNP 3.0 protocols, this relay ensures interoperability with modern grid and automation systems. Easy configuration through DIGSI software allows flexible adaptation to specific site requirements, enhancing operational efficiency and system reliability.

Durable Design for Diverse Environments

Housed in a robust enclosure with IP54 (front) and IP20 (rear) protection, this relay is built to withstand industrial challenges. The panel-mount design, intuitive LCD interface, and natural air cooling further streamline installation and ongoing operation, supporting a wide range of ambient temperatures.

FAQ's of SIEMENS 7SD8031-5EB90-1FA1/BB DIFFERENTIAL PROTECTION RELAY:

Q: How is the SIEMENS 7SD8031-5EB90-1FA1/BB relay typically configured for operation?

A: The relay is configured using DIGSI software, which provides a user-friendly interface for parameter settings, logic configuration, and diagnostics. This allows customization to specific protection schemes for transformers, generators, or busbars.

Q: What are the main protection functions provided by this differential relay?

A: Key protection functions include differential protection, overcurrent protection, earth fault detection, trip circuit supervision, and voltage protection (over/under voltage). These functions collectively enhance the safety and reliability of three-phase electrical systems.

Q: When should I use this model for differential protection applications?

A: This SIEMENS relay is best used in critical protection scenarios for transformers, busbars, and generators, particularly where high precision, fast response, and flexible communication protocols are essential. It is suitable for new installations and retrofit upgrades in industrial and utility environments.

Q: Where can the relay be installed and what are its mounting requirements?

A: The 7SD8031-5EB90-1FA1/BB relay is designed for panel mounting in switchgear or control panels. Its compact dimensions, IP54 front protection, and wide operating temperature range make it versatile for indoor electrical rooms and substations.

Q: What process does the relay use to ensure rapid fault isolation?

A: The relay leverages a high-precision measuring algorithm and supports a response time of less than 20 ms, ensuring rapid detection and isolation of faults. It also features disturbance recording and a fault locator for post-event analysis.

Q: How does the wide-format LCD and LED indication aid in relay operation?

A: The backlit LCD display presents operational data, settings, and real-time status clearly, while the LED indicators provide instant visual feedback on relay status and alarm conditions, supporting efficient monitoring and troubleshooting.

Q: What are the key benefits for users installing this Siemens relay?

A: Users benefit from comprehensive multi-function protection, fast and accurate fault response, advanced communication compatibility, easy configuration, and robust durability, all of which contribute to increased operational safety and minimized downtime.

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