Product Core Brief
- Model: ABB REL670 1MRK002812-AB
- Brand: ABB
- Series: Relion 670
- Core Function: Multi-function protection for feeders, transformers, and generators
- Product Type: Numerical protection relay (IED)
- Key Specs: IEC 61850 & Modbus | Multi-purpose protection | 24–250 V AC/DC supply
- Condition: New Original (New Surplus)
Key Technical Specifications
- Product Platform: ABB Relion 670 series
- Protection Functions:
- Overcurrent (50/51)
- Earth fault / residual current (50N/51N)
- Distance protection (multi-zone, optional)
- Transformer differential protection (87T)
- Generator protection functions (87G, 32)
- Breaker failure protection
- Over/under voltage & frequency protection
- Thermal overload and negative sequence (46/49)
- Current Inputs: 1 A / 5 A CT configurable
- Voltage Inputs: Up to 6 phase-to-ground or phase-to-phase channels
- Binary Inputs: Up to 16 programmable
- Relay Outputs: Up to 12 configurable trip/alarm outputs
- Communication Protocols: IEC 61850 Ed.2, IEC 60870-5-103, Modbus RTU/TCP
- Event & Fault Recording: Up to 10,000 events; COMTRADE disturbance recordings
- HMI: Front panel display with navigation buttons; local LEDs for trip and alarm status
- Mounting: 19-inch rack / panel flush mount
- Auxiliary Supply: 24–250 V AC/DC wide-range input
- Operating Temperature: -25°C to +55°C
- Storage Temperature: -40°C to +70°C
- Compliance: IEC 60255, IEC 61850, CE marking
- Firmware Version: Verify with OEM datasheet (e.g., V2.2.x)
Note: 1MRK002812-AB defines the exact hardware and protection configuration for feeders, transformers, or generators. Always verify auxiliary supply, I/O configuration, and firmware version before deployment.







