Product Core Brief
- Model: REF615E-E HBFEAEAGNNA1ANA11E
- Brand: ABB
- Series: Relion® 615
- Core Function: Feeder protection and control for medium-voltage overhead lines and cable feeders
- Type: Numerical protection relay (IEC)
- Key Specs: 48–250 Vdc / 100–240 Vac auxiliary, 50/60 Hz, 1 A or 5 A CT secondary, directional overcurrent + earth fault
- Condition: New Original (New Surplus), not refurbished
Product Introduction
Pain-point scenario: When a complex distribution network experiences a fault, you need protection that detects it with 99.9% accuracy and pinpoints the location within 500 meters to minimize repair time by 40%. The ABB REF615E-E HBFEAEAGNNA1ANA11E delivers this for overhead lines and cable feeders in utility and industrial power distribution.
This relay combines directional overcurrent protection with advanced earth fault algorithms (admittance/impedance-based), supports IEC 61850 compliance for seamless digital substation integration via GOOSE/SV messaging, and achieves sub-microsecond time synchronization with IEEE 1588 v2 for coordinated protection across distributed grids. You choose the REF615E-E when you need extreme environment tolerance (−40°C to +70°C for outdoor/offshore use), modular hot-swap for field replacement without system shutdown (cutting downtime by 30%), and optional arc fault detection that reduces incident energy by 50% in switchgear environments.







