ABB REF545KC133AAAA Protective Relay Module – Reliable Protection for Electrical Systems
The ABB REF545KC133AAAA is a highly reliable industrial protection relay designed for overcurrent protection in power systems. It offers advanced fault detection and tripping capabilities, ensuring optimal protection for electrical circuits and equipment.
Product Type:Protective Relay Module
Manufacturer:ABB
Model:REF545KC133AAAA
Protection Class:3-Phase Protection
Operating Voltage Range:208-690V AC
Rated Current:100A
Frequency Range:47-63Hz
Communication Interface:RS485 Modbus RTU
Protection Functions:Overload, Short Circuit, Phase Unbalance, Earth Fault
The ABB REF545KC133AAAA Protective Relay Module is a highly advanced solution designed for industrial applications requiring robust and reliable protection against electrical faults. It combines state-of-the-art technology with ease of installation and maintenance.
This protective relay module is capable of detecting overcurrent, overvoltage, ground fault, and phase disconnection, providing comprehensive protection for electrical systems. Its Modbus and Ethernet communication interfaces facilitate seamless integration with existing control systems.
Built with high-quality materials and precision engineering, the REF545KC133AAAA is built to withstand harsh industrial environments. With an operating temperature range of -40°C to +85°C, it ensures reliable operation even under extreme conditions.
Installation of the ABB REF545KC133AAAA is straightforward, thanks to its compact design and user-friendly interface. Regular maintenance is minimal, reducing downtime and operational costs.
By incorporating the ABB REF545KC133AAAA Protective Relay Module into your power system, you can significantly enhance safety and reliability. Trust ABB to provide you with cutting-edge technology that meets your most demanding requirements.











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