Product Core Brief
- Model: REF615G (Specific Configuration: HBFBAAFANAC6BBA11G)
- Brand: ABB
- Series: Relion 615 Series
- Core Function: Interconnection and generator protection, control, and monitoring in distributed power generation networks.
- Type: Digital Microprocessor-Based Protection Relay
- Key Specs: Advanced voltage, frequency, and power protection elements with high-speed binary I/O.
- Condition: New Original (New Surplus), not refurbished
Product Introduction
Field observations during industrial microgrid installations show that variations in local generation require immediate, dependable fault clearing to protect costly rotary assets. The ABB REF615G feeder and generator management relay serves as a primary defensive layer, offering dedicated voltage, frequency, and power-based protection functions. This specific unit functions as the core control point for islanding detection and utility-interconnection compliance, isolating unstable generation grids before damage propagates to the wider distribution network.
When engineering teams encounter failing or obsolete protective modules in generator control panels, dropping in this exact variant helps prevent long system modification delays. The unit runs proven, deterministic numerical algorithms that execute underfrequency, overfrequency, and reverse-power trip curves with a typical processing time under 30 ms. Procurement leads must verify the full alphanumeric configuration suffix on the side label to guarantee binary input threshold compatibility prior to site mounting.







