Send Inquiry

Request To Call Back

ABB REX521GHHGSH02G RELAYS (REX521)

Get a Price/Quote

ABB REX521GHHGSH02G RELAYS (REX521) Specification

Working Temperature
-10C to +55C

Power Supply
Via auxiliary terminals (AC/DC)

Noise Level
Low

Application
Feeder Protection, Industrial Power Systems, Utility Automation

Output Type
Relay Contacts (NO/NC)

Phase
Three Phase & Single Phase Support

Current Range
1A / 5A Nominal (Configurable)

Cooling Method
Natural Air Cooling

Operating Temperature
-10C to +55C

Connector Type
Screw Terminal

Features
Multi-Function Protection, Communication Port, Self-Diagnostics

Rated Current
As per Setting and Model

Product Type
Protection Relay

Input Voltage
24250 V DC / 110230 V AC

Voltage Protection
Yes (User Programmable)

Efficiency
High, Designed for Industrial Applications

Material
Rugged Enclosure, High Grade Plastics and Metals

Storage Temperature
-40C to +85C

Weight
Approx. 4.5 kg

Insulation Class
Class II

Display Type
LCD with Multi-language Support

Communication Interfaces
RS232, RS485, Fibre Optic, IEC 60870-5-103

Ambient Humidity
Up to 95% non-condensing

Response Time
Fast Tripping (<30 ms)

Mounting Type
Panel Mounted

Model
REX521GHHGSH02G

Relay Output Contacts
Configurable, typically 4-8 contacts

Dimensions
270mm (H) x 177mm (W) x 150mm (D)

Firmware Upgradable
Yes

Protection Class
IP20 (Front), IP40 (Panel Mounted)

Protection Functions
Overcurrent, Earth Fault, Directional Protection, Breaker Failure

Standards Compliance
IEC 60255, IEC 61000

About ABB REX521GHHGSH02G RELAYS (REX521)

The ABB REX521GHHGSH02G RELAY epitomizes first-class engineering for industrial power systems. Designed with a brilliant fusion of high-grade plastics and metals, its rugged enclosure ensures lasting durability. This rare, classic relay offers multi-function protection: overcurrent, earth fault, directional, breaker failure, and fast tripping. Featuring a fresh LCD display with multi-language support, it excels in communication with RS232, RS485, fibre optic, and IEC 60870-5-103 interfaces. Firmware is upgradable, and safety is bolstered with adjustable voltage protection and configurable relay contacts. Purchase reliability with ABBs proven excellence.

Industrial Strength and Flexible Usage

Engineered for feeder protection in industrial plants and utility automation, the ABB REX521GHHGSH02G delivers brilliant multi-function protection in both single and three-phase systems. Its panel-mounted design fits seamlessly within control panels, while user-friendly features such as configurable relay contacts, self-diagnostics, and programmable voltage protection ensure flawless operation and adaptability. Application versatility highlights its rare suitability for a wide range of industrial power system environments.

Certifications, Packing, and Payment Options

Compliant with classic standards such as IEC 60255 and IEC 61000, the ABB REX521GHHGSH02G guarantees top-tier protection and reliability. Sale price and rate details are available upon enquiry, and this item is supplied in secure packaging to assure safe dispatch. Payment terms are flexible, supporting trader and supplier arrangements for easy purchase. With robust supply ability, prompt packing, and fast delivery, customers enjoy a seamless buying experience.

FAQs of ABB REX521GHHGSH02G RELAYS (REX521):

Q: How does the ABB REX521GHHGSH02G improve industrial feeder protection?

A: This relay offers comprehensive multi-function protection, including overcurrent, earth fault, directional, breaker failure detection, and fast tripping response, ensuring operational safety in industrial power systems.

Q: What are the main usage applications for the REX521GHHGSH02G relay?

A: The relay is ideally suited for feeder protection, industrial power plants, and utility automation, delivering reliable performance in both new and classic installations.

Q: When should the firmware of the ABB relay be upgraded?

A: Firmware upgrades can be performed during routine maintenance or when new features are required to enhance protection functionality and ensure optimal performance.

Q: Where does packing and dispatch occur for the ABB relay purchase?

A: Packing and dispatch are managed through accredited suppliers or traders, ensuring your relay arrives securely and promptly at your specified location.

Q: What benefits do the configurable relay output contacts offer?

A: Configurable contacts allow tailored integration into your system, providing flexibility in control, signaling, and adapting to diverse industrial requirements.

Q: How is the sale price and rate determined for the ABB REX521GHHGSH02G?

A: Sale price and rate can fluctuate based on supply, order volume, and trade terms, typically provided upon request or quotation from the authorized supplier.

Q: What process ensures the ABB relays compliance with safety standards?

A: The relay is designed and tested under strict IEC 60255 and IEC 61000 standards, guaranteeing reliable performance and adherence to global safety regulations.

Tell us about your requirement