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                                                                                                                                                                                                                                                                                  • ABB REF615E_1G Feeder Protection Relay

                                                                                                                                                                                                                                                                                    Product Description

                                                                                                                                                                                                                                                                                    The ABB REF615E_1G Feeder Protection Relay is a microprocessor-based feeder protection and control relay from ABB Relion® 615 series. It is designed for the protection, control, measurement, and supervision of medium-voltage distribution feeders, substations, and industrial power systems.

                                                                                                                                                                                                                                                                                    The REF615E_1G provides comprehensive protection functions including overcurrent protection, earth-fault protection, circuit breaker control, measurement, fault recording, and communication functions. It supports modern substation automation through protocols such as IEC 61850 and Modbus.

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                                                                                                                                                                                                                                                                                    Detailed Specifications

                                                                                                                                                                                                                                                                                    Parameter	Specification
                                                                                                                                                                                                                                                                                    Manufacturer	ABB
                                                                                                                                                                                                                                                                                    Model	REF615E_1G
                                                                                                                                                                                                                                                                                    Product Type	Feeder Protection & Control Relay
                                                                                                                                                                                                                                                                                    Series	ABB Relion® 615 Series
                                                                                                                                                                                                                                                                                    Application	Medium Voltage Feeder Protection
                                                                                                                                                                                                                                                                                    Protection Function	Overcurrent, Earth Fault, Feeder Protection
                                                                                                                                                                                                                                                                                    Control Function	Circuit Breaker Control & Monitoring
                                                                                                                                                                                                                                                                                    Communication Protocol	IEC 61850, Modbus, IEC 60870-5-103, DNP3
                                                                                                                                                                                                                                                                                    Communication Interface	Ethernet / Serial Communication
                                                                                                                                                                                                                                                                                    Input Type	CT / VT Measurement Inputs
                                                                                                                                                                                                                                                                                    Mounting	Panel Mount / Switchgear Installation
                                                                                                                                                                                                                                                                                    Display	Local HMI Interface
                                                                                                                                                                                                                                                                                    Configuration Tool	ABB PCM600
                                                                                                                                                                                                                                                                                    Weight	Approx. 4 kg
                                                                                                                                                                                                                                                                                    Origin	Finland
                                                                                                                                                                                                                                                                                    HS Code Reference	85364900

                                                                                                                                                                                                                                                                                     

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                                                                                                                                                                                                                                                                                    Advantages & Features

                                                                                                                                                                                                                                                                                    • High-performance feeder protection solution from ABB Relion 615 series
                                                                                                                                                                                                                                                                                    • Provides reliable protection for medium-voltage distribution networks
                                                                                                                                                                                                                                                                                    • Supports IEC 61850 communication for substation automation
                                                                                                                                                                                                                                                                                    • Integrated protection, control, measurement, and monitoring functions
                                                                                                                                                                                                                                                                                    • Built-in fault recording and event logging capability
                                                                                                                                                                                                                                                                                    • Supports remote monitoring and configuration
                                                                                                                                                                                                                                                                                    • Compact design suitable for switchgear applications
                                                                                                                                                                                                                                                                                    • Improves system reliability and reduces equipment downtime

                                                                                                                                                                                                                                                                                     

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                                                                                                                                                                                                                                                                                    Applications

                                                                                                                                                                                                                                                                                    • Medium Voltage Substations
                                                                                                                                                                                                                                                                                    • Power Distribution Systems
                                                                                                                                                                                                                                                                                    • Industrial Power Networks
                                                                                                                                                                                                                                                                                    • Oil & Gas Facilities
                                                                                                                                                                                                                                                                                    • Mining Industry
                                                                                                                                                                                                                                                                                    • Chemical Processing Plants
                                                                                                                                                                                                                                                                                    • Manufacturing Facilities
                                                                                                                                                                                                                                                                                    • Utility Grid Automation Systems

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                                                                                                                                                                                                                                                                                    Protection Functions

                                                                                                                                                                                                                                                                                    • Overcurrent Protection (50/51)
                                                                                                                                                                                                                                                                                    • Earth Fault Protection (50N/51N)
                                                                                                                                                                                                                                                                                    • Directional Overcurrent Protection
                                                                                                                                                                                                                                                                                    • Circuit Breaker Failure Protection
                                                                                                                                                                                                                                                                                    • Voltage Protection Functions
                                                                                                                                                                                                                                                                                    • Arc Fault Protection (depending on configuration)
                                                                                                                                                                                                                                                                                    • Fault Recording and Event Logging
                                                                                                                                                                                                                                                                                    • Condition Monitoring

                                                                                                                                                                                                                                                                                     

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                                                                                                                                                                                                                                                                                    Precautions

                                                                                                                                                                                                                                                                                    • Confirm the exact REF615E_1G configuration before replacement.
                                                                                                                                                                                                                                                                                    • Verify firmware version and parameter settings.
                                                                                                                                                                                                                                                                                    • Backup relay configuration before replacement.
                                                                                                                                                                                                                                                                                    • Check CT/VT wiring and communication settings.
                                                                                                                                                                                                                                                                                    • Use ABB PCM600 software for configuration and commissioning.
                                                                                                                                                                                                                                                                                    • Installation should be performed by qualified electrical personnel.

The structure and details of the product：