ABB RED615 Intelligent Electronic Device

Key Features:

• Phase-segregated, two-end protection and control relay.
• Designed for overhead line and cable feeders in utility and industrial power distribution networks.
• Suitable for radial, looped, and meshed distribution networks, with or without distributed generation.
• Also ideal for line differential applications with an in-zone transformer.
• Communicates between substations via fiber-optic link or galvanic pilot wire connection.

Technical Specifications:

• Line differential protection with directional or non-directional overcurrent and earth-fault protection.
• Voltage- and frequency-based protection and measurement functionality.
• Supports IEC 61850 Editions 1 and 2, including HSR and PRP, GOOSE messaging, and IEC 61850-9-2 LE.
• IEEE 1588 V2 for high-accuracy time synchronization.
• Communication protocols: Modbus, DNP3, and IEC 60870-5-103.