Product Core Brief
- Model: REF615 (Specific Configuration: HBFFAEAGNEA1ANA11G)
- Brand: ABB
- Series: Relion 615 Series
- Core Function: Directional and non-directional overcurrent and earth-fault protection for utility and industrial distribution feeders.
- Type: Digital Microprocessor-Based Protection Relay
- Key Specs: Dual-rated current inputs (1 A / 5 A), integrated voltage metering, high-speed programmable binary I/O.
- Condition: New Original (New Surplus), not refurbished
Product Introduction
Field deployment reports from industrial power distribution retrofits indicate that dropping in exact-match numerical relays is the most reliable way to minimize emergency system outages. The ABB REF615 protection relay provides an engineered solution for medium-voltage networks, supplying dedicated directional overcurrent, earth-fault, and voltage protection. Operating as the primary intelligence hub for critical circuit breaker control, this specific unit isolates downstream localized faults before thermal stresses cascade into upstream main busbar failures.
When engineering teams encounter a hardware fault on a critical distribution panel, deploying this pre-configured surplus module bypasses extended factory delivery timelines. The device runs deterministic numerical protection algorithms compliant with international utility standards, achieving typical breaker trip execution times under 30 ms for instantaneous overcurrent elements. Procurement agents must verify the complete alphanumeric configuration suffix on the chassis plate to guarantee binary control voltage compatibility prior to physical site integration.







