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Feeder Protection and Control REF615 IEC Compact and versatile solution for utility and industrial electrical power distribution systems The REF615 is a dedicated power and control relay for protection, control, measurement and supervision of overhead lines and cable feeders in power supply systems. industrial and utility power distribution, including radial, meshed and meshed distribution networks, with or without distributed power generation.


- Feeder protection

Product benefits

- Wide range of protection and control functionalities, whether with sensors or conventional instrument transformers

- Default settings ready for quick and easy configuration with customization capabilities

- Pull-out plug-in unit design for quick installation and testing

- Large graphical display to show customizable SLDs, accessible locally or via an easy-to-use web browser-based HMI

- Extensive lifecycle services

Product characteristics

- Directional and non-directional overcurrent and earth fault, voltage, frequency and power protection and measurement and protection functionality

- Broad earth fault protection portfolio with unique protection based on multi-frequency admission for greater sensitivity and selectivity

- Advanced and fast fault location option for short circuits and ground faults, arc protection and high speed outputs

- Supports IEC 61850 Editions 1 and 2, including HSR and PRP, GOOSE messages and IEC 61850-9-2 LE for fewer wires and supervised communication

- IEEE 1588 V2 for high-precision time synchronization and maximum benefit from substation-level Ethernet communication - Supports Modbus, DNP3 and IEC 60870-5-103 communication protocols

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