REF615E_E HBFHAEAGNBA1ANN11E

Overview

The ABB REF615E_E is a feeder protection and control relay offering extensive protection, control, and measurement functions with flexible setup options.

Protection Features

• Directional and non-directional overcurrent and earth-fault protection

• Voltage, frequency, and power-based protection and measurement

• Multi-frequency admittance-based earth-fault protection for enhanced sensitivity and selectivity

Design and Operation

• Withdrawable plug-in unit for easy installation and testing

• Large graphical display for customizable single-line diagrams (SLDs)

• Local access and web-browser-based HMI for monitoring and control

Additional Capabilities

• Optional fast fault location for short circuits and earth faults

• Arc protection and high-speed output functions

• Ready-made standard configurations with tailoring options

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