ABB REX521 Protection Relay Bottom Price

Brand: ABB

Condition: 100% New Original

Payment Terms: T/T

Minimum Order Quantity: 1pc

Product Description: ABB REX521 Protection Relay

The ABB REX521 is a compact and versatile protection relay designed primarily for the protection of medium-voltage networks and equipment. It is part of ABB’s extensive range of protective devices that ensure reliability and efficiency in power distribution systems. The REX521 is engineered to provide comprehensive protection and control functionalities, including overcurrent, earth fault, and directional overcurrent protection. It integrates seamlessly into various automation systems, offering advanced communication capabilities and user-friendly interfaces. Its robust design ensures durability and operational stability in diverse environmental conditions, making it suitable for a wide range of applications in industrial and utility sectors.

Features

• Comprehensive Protection: Includes overcurrent, earth fault, and directional overcurrent protection functions.
• Advanced Communication: Supports multiple communication protocols, including IEC 61850, Modbus, and DNP3, enabling easy integration into modern automation systems.
• User-friendly Interface: Equipped with an intuitive front panel and a versatile Human Machine Interface (HMI) for easy configuration and operation.
• High Reliability: Designed to operate reliably in harsh conditions, with a robust enclosure and high immunity to electromagnetic interference.
• Event Recording and Fault Analysis: Capable of recording detailed event logs and fault waveforms for post-event analysis.
• Scalable and Flexible: Modular design allows for easy customization and scalability to meet specific protection requirements.

Technical Specifications

• Rated Voltage: 110-240 V AC/DC
• Frequency Range: 50/60 Hz
• Current Inputs: 1 A / 5 A
• Protection Functions: Overcurrent (50/51), Earth Fault (50N/51N), Directional Overcurrent (67)
• Communication Ports: RS-485, Ethernet
• Communication Protocols: IEC 61850, Modbus, DNP3
• Operating Temperature: -25°C to +70°C
• Dimensions: 177 mm (H) x 144 mm (W) x 150 mm (D)
• Weight: 2.5 kg

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