ABB REF541KM115AAAA Protective Relay Module
The ABB REF541KM115AAAA Industrial Protection Relay is designed for high-voltage applications, providing comprehensive protection for power systems. It includes advanced features such as phase differential protection, ground fault detection, and overload protection. This device ensures reliable operation and maintenance of critical electrical infrastructure.
Manufacturer:ABB
Model Number:REF541KM115AAAA
Protection Type:Overcurrent
Rated Current:Up to 1500A
Frequency Range:50/60Hz
Protection Levels:Instantaneous, Inverse-Time, Long-Time
Environmental Protection Rating:IP20
Operating Temperature Range:-25°C to +70°C
Certifications:IEC 61008-1, IEC 61010-1
The ABB REF541KM115AAAA digital protection relay is engineered to provide superior protection against various faults in electrical systems. Its compact design ensures easy installation in limited spaces while delivering robust performance.
Equipped with advanced protection functions such as overcurrent, earth fault, phase unbalance, and overload protection, this relay offers comprehensive coverage for safeguarding critical equipment and personnel from potential hazards.
The relay features a user-friendly interface with clear display screens and intuitive navigation, allowing operators to monitor system status and adjust settings with ease. Its modular design facilitates maintenance and upgrades without disrupting ongoing operations.
Designed to withstand harsh industrial environments, the ABB REF541KM115AAAA operates reliably under extreme temperatures and humidity levels. Its robust construction and durable materials ensure long-lasting performance and minimal downtime.
With support for communication interfaces like RS485 and Ethernet, this digital protection relay enables seamless integration into existing control systems and networks, facilitating real-time monitoring and data exchange.











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