Description
Product Introduction
ABB REF615 G HBFFBAAFANAC6BBA11G is a medium-voltage feeder protection and bay control relay from the Relion 615 platform used in utility distribution networks and industrial substations. It integrates protection, measurement, breaker control, and communication into a single IED designed for modern switchgear architectures.
ABB REF615 G HBFFBAAFANAC6BBA11G is typically applied in feeder outgoing bays where directional protection and IEC 61850-based SCADA integration are required. In real commissioning environments, most failures trace back to CT polarity errors, GOOSE dataset mismatch, or firmware configuration drift rather than hardware defects.
Frequently Asked Questions
Q: Is REF615 G HBFFBAAFANAC6BBA11G hot-swappable?
A: No. Even with the breaker open, auxiliary DC supply (typically 110–220 V DC) remains energized. Full isolation is mandatory before replacement.
Q: Is this relay still supported by ABB?
A: Yes. The Relion 615 platform remains actively supported with firmware tools (PCM600), documentation, and lifecycle services.
Q: What is the most common commissioning issue?
A: CT polarity mismatch and IEC 61850 GOOSE configuration errors. These issues typically present as false trips or missing interlocks.
Q: Will I lose settings during replacement?
A: Yes unless backed up. Always export configuration files, logic, event logs, and communication parameters before removal.
Q: Does it support IEC 61850 natively?
A: Yes, depending on firmware and hardware optioning. Most REF615 variants in this family support MMS and GOOSE.




