ABB REF615 Feeder Protection Module, Industrial Control Systems

The ABB REF615 is a feeder protection and control relay designed for medium-voltage applications. Key specs include: 32 programmable protection functions, 16 RTD inputs, and support for IEC 61850 communication. It's typically used in utility and industrial power distribution systems for protecting transformers, motors, and feeders. Compared to the ABB SPAU130C-AA, the REF615 offers more I/O options and advanced communication capabilities, making it suitable for more complex applications requiring detailed monitoring and control.
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