Product Core Brief

• Model: ABB REJ601 BD446BB1BH
• Brand: ABB
• Series: Relion 605
• Core Function: Feeder overcurrent and earth-fault protection
• Product Type: Numerical protection relay (IED)
• Key Specs: 1 A / 5 A CT selectable | 24–265 V AC/DC supply | IEC 60870-5-103
• Condition: New Original (New Surplus)

Key Technical Specifications

• Product Platform: ABB Relion 605 feeder protection series
• Order Code: BD446BB1BH (hardware + I/O + communication option variant)
• Protection Functions:
  • 3-stage overcurrent (50/51)
  • 2-stage earth fault (50N/51N)
  • Thermal overload (49)
  • Phase imbalance / negative sequence (46)
  • Phase discontinuity supervision
• Current Inputs: 1 A / 5 A selectable
• Auxiliary Supply: 24–265 V AC/DC, wide-range input
• Power Consumption: 5–10 W typical
• Binary Inputs: 6 configurable channels
• Relay Outputs: 4–6 configurable trip/alarm relays
• Communication Protocols: IEC 60870-5-103, optional Modbus RTU
• Event Logging: ~100 events with timestamps
• Fault Recording: COMTRADE capable (depends on firmware variant)
• Mounting: Flush panel mount / switchgear integration
• Operating Temperature: -25°C to +55°C
• Storage Temperature: -40°C to +70°C
• Compliance: IEC 60255 series | CE marking
• HMI: Front panel with parameter navigation