Brand:ABB
Model:REF545KB133AAAA
Series:REF545
Type:Relay Protection Module
Operating Voltage:240V AC
Frequency Range:50/60 Hz
Protection Class:IP20
Operating Temperature Range:-25°C to +55°C
Communication Interface:Modbus RTU
Mounting Type:DIN Rail Mounting
Certifications:CE, UL, IEC 61000-4-4, IEC 61000-4-5
The ABB REF545KB133AAAA High-Performance Relay Protection Module is engineered for robust protection in demanding industrial settings.
With its ability to swiftly detect and react to electrical system anomalies, this module ensures the continuity of operations in critical environments.
Key design highlights include its Modbus RTU/ASCII and Profibus-DP communication capabilities, which allow seamless integration into existing control systems.
The unit is equipped with a comprehensive set of protection functions including short-circuit, overload, phase failure, imbalance, and ground fault detection, making it indispensable for safeguarding electrical systems.
Built with high-quality materials and featuring a compact IP20 rated enclosure, the module is easy to install and maintain, contributing to lower total cost of ownership.



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