SIEMENS 7SJ8021-1EB90-1FAO/DD OVERCURRENT PROTECTION

Send Inquiry

Request To Call Back

SIEMENS 7SJ8021-1EB90-1FAO/DD OVERCURRENT PROTECTION

Name: SIEMENS 7SJ8021-1EB90-1FAO/DD OVERCURRENT PROTECTION
Brand: LOHIYA ELECTRICALS

Get a Price/Quote

MOQ : 1 Piece

SIEMENS 7SJ8021-1EB90-1FAO/DD OVERCURRENT PROTECTION Specification

Operating Temperature
-25C to +70C

Connector Type
Plug-in Terminal

Power Supply
24-250 V AC/DC

Rated Current
5 A CT Input

Output Current
10 A (Relay Output)

Working Temperature
-25C to +70C

Phase
Three Phase

Cooling Method
Natural Air Cooling

Noise Level
Low

Features
Multi-function, Programmable, Display, Communication Ports

Application
Feeder/Transformer Overcurrent and Earth Fault Protection

Output Type
Relay Contact Output

Current Range
1-20 A (Setting Range)

Product Type
Overcurrent Protection Relay

Output Frequency
50/60 Hz

Input Voltage
24-250 V AC/DC

Voltage Protection
Yes (Over/Undervoltage)

Efficiency
High operational reliability

Material
Industrial grade enclosure

Storage Temperature
-40C to +85C

Weight
Approx. 1.5 kg

Event Recorder
Yes

Communication Interface
RS485, MODBUS, IEC 61850 (optional)

Self Monitoring
Continuous

Disturbance Recorder
Yes

Protection Functions
Overcurrent, Earth-fault, Short-circuit, Breaker failure, Auto-reclosure

Mounting Type
Flush/Panel Mount

Ingress Protection
IP54 (Front), IP20 (Rear)

Display Type
LCD Display

Firmware Upgrade
Supported

Dimensions (W x H x D)
Approx. 212 x 170 x 230 mm

Model Number
7SJ8021-1EB90-1FAO/DD

SIEMENS 7SJ8021-1EB90-1FAO/DD OVERCURRENT PROTECTION 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, Central America, North America, South America, Eastern Europe, Western Europe, Middle East, Africa

Main Domestic Market
All India

About SIEMENS 7SJ8021-1EB90-1FAO/DD OVERCURRENT PROTECTION

SIEMENS 7SJ8021-1EB90-1FAO/DD OVERCURREN PROTECTIONSupplier In Bhavnagar, Gujarat, India

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

Model No:- 7SJ8021-1EB90-1FAO/DD

Product Name:- SIEMENS 7SJ8021-1EB90-1FAO/DD OVERCURRENT PROTECTION

Brand:- SIEMENS

Condition:- USED CONDITION

SIEMENS 7SJ8021-1EB90-1FAO/DD OVERCURRENT PROTECTION in stock.

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

MORE INFORMATION ABOUT THIS PRODUCT

Description:-

SIEMENS
7SJ8021-1EB90-1FAO/DD
OVERCURRENT PROTECTION

PLEASE CHECK LABEL PHOTO FOR MORE INFORMATION

UPLOADED BY:- HAFIZ SUMRA

Comprehensive Protection Functions

The SIEMENS 7SJ8021-1EB90-1FAO/DD offers multi-level protection, including overcurrent, earth-fault, short-circuit, breaker failure, and voltage events. Its wide current setting range and fast relay response help safeguard transformers and feeders, drastically reducing the risk of power outages and equipment damage.

Flexible Installation and Communication

Thanks to its flush/panel mount design and plug-in terminals, installation is straightforward. The device supports RS485 and MODBUS communication, with IEC 61850 available as an option for advanced networking. This ensures compatibility with a variety of automation and supervisory control systems.

Industrial Grade Reliability

Designed for demanding environments, this relay operates reliably at temperatures from -25C to +70C. Its front panel meets IP54 protection standards, guarding against dust and water splashes. Continuous self-monitoring and simple firmware upgrades further enhance operational longevity and efficiency.

FAQ's of SIEMENS 7SJ8021-1EB90-1FAO/DD OVERCURRENT PROTECTION:

Q: How do I install the SIEMENS 7SJ8021-1EB90-1FAO/DD relay for feeder or transformer protection?

A: Install the relay using the flush or panel mount configuration, as per the application requirements. Ensure secure wiring to plug-in terminals, and connect the CT inputs rated at 5A. Follow the user manual for step-by-step installation and safety guidelines.

Q: What protection functions are available on this overcurrent relay?

A: The device provides overcurrent, earth-fault, short-circuit, breaker failure, undervoltage, overvoltage, and auto-reclosure protection. These features help secure your electrical systems from various fault conditions, ensuring operational safety and reliability.

Q: When should I use the built-in event and disturbance recorders?

A: Utilize the event and disturbance recorders whenever you need to analyze or troubleshoot system incidents. Recorded data helps identify root causes of faults, supporting effective maintenance and minimizing downtime.

Q: Where can this relay be used in industrial applications?

A: This relay is ideal for use in transformer and feeder protection systems within substations or industrial facilities. Its robust design and wide temperature tolerance make it suitable for demanding environments found in power distribution.

Q: What is the process to upgrade the firmware on this device?

A: Firmware upgrades are supported and can be performed through the device's communication ports. Follow SIEMENS' official upgrade instructions and use the recommended software to ensure successful updates while preserving configuration settings.

Q: How does the device benefit from continuous self-monitoring?

A: Continuous self-monitoring allows the relay to automatically detect internal issues or abnormalities, issuing alerts before failures occur. This significantly enhances system reliability and helps ensure uninterrupted protection.

Tell us about your requirement