Brand:ABB
Model:REF543KB127AAAA
Series:REF543
Type:Protective Relay Module
Certification:IEC 61000, IEEE C37.90
Rated Voltage:240V
Frequency Range:50/60 Hz
Protection Class:Overcurrent, Overvoltage, Undervoltage, Phase Disconnection
Interface:Digital Inputs and Outputs
Communication:Modbus RTU
Operating Temperature:-25°C to +70°C
Storage Temperature:-40°C to +85°C
Humidity Range:0% to 95% (Non-condensing)
Weight:1.5 kg
Dimensions:210 mm x 170 mm x 80 mm
The ABB REF543KB127AAAA relay module offers unparalleled reliability and accuracy in protecting electrical systems against overloads, short circuits, and earth faults. Its robust design ensures longevity even in harsh industrial environments.
This high-performance relay is equipped with advanced protective functions, including instantaneous and time-delayed overcurrent protection, earth fault detection, and selective coordination capabilities. These features make it an ideal solution for ensuring safety and compliance in various industrial applications.
Designed with user convenience in mind, the REF543KB127AAAA features a simple yet intuitive interface. Its compact size allows for easy installation in control panels and switchgear cabinets without compromising on space or functionality.
The module complies with stringent international standards such as CE, UL, and IECEx, ensuring its suitability for use in global markets. With its IP20 rating, it provides additional protection against dust ingress and contact with hazardous parts, making it suitable for a wide range of industrial settings.
ABB’s commitment to quality and innovation is reflected in the REF543KB127AAAA, offering a robust and reliable solution for modern industrial power system protection needs.
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