ABB REF543KB127AAAA Protective Relay Module for Power Systems

Brand:ABB

Model:REF543KB127AAAA

Type:Protective Relay Module

Voltage Rating:240V AC

Frequency Range:50/60 Hz

Protection Functions:Phase Fault, Ground Fault

Accuracy Class:Class 5P10

Interface:Modbus RTU, Ethernet

Environmental Protection:IP20

Dimensions:140mm x 90mm x 70mm

Weight:1.2 kg

Certification:CE, UL, IEC 61000-4-3, IEC 61000-4-6

    The ABB REF543KB127AAAA is a highly reliable protective relay module designed for critical applications in power systems. This module offers advanced protection against various faults, including overcurrent, earth fault, and phase failure, ensuring the integrity of the electrical network. Its customizable trip curve allows for tailored protection settings to meet specific operational requirements. Built with robust materials, this module is designed to withstand harsh industrial environments. With its Modbus and Profibus communication interfaces, it integrates seamlessly with existing control systems, providing real-time monitoring and diagnostics. The ABB REF543KB127AAAA meets stringent international standards such as IEC 61000 and IEEE C37.110, ensuring compliance with global safety regulations. Whether for new installations or upgrades, this module is an ideal choice for enhancing the reliability and efficiency of power distribution systems.