REF615R Feeder Protection and Control IED Product Guide
This document is a product guide for the REF615R, a dedicated feeder IED from ABB's Relion 615 series designed for protection, control, measurement, and supervision of utility substations and industrial power systems. It highlights the relay's 19" rack-mount form, wire-alike compatibility with DPU2000R for easy upgrades, and features such as arc flash detection, cable fault detection, and support for IEC 61850, DNP3.0, and Modbus protocols.
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