- Model: RET670 1MRK004816-AC
- Brand: ABB
- Series: Relion 670
- Core Function: Transformer differential and overcurrent protection
- Type: Pre-configured protection IED
- Key Specs: 2 winding / 1 breaker, Ver. 1.2
- Key Specs: IEC 61850, Modbus, DNP3
- Condition: New Original (New Surplus), not refurbished
- Key Technical Specifications
- Model: RET670 1MRK004816-AC
- Product ID: 1MRK004816-AC
- Manufacturer: ABB
- Family: Relion 670 series
- Firmware version: 1.2
- Configuration: Two-winding transformer, single breaker (2W/1CB)
- Application: Transformer differential protection
- Core functions: Differential protection, earth-fault, distance, overcurrent, thermal, breaker failure
- Additional features: CT saturation restraint, inrush current restraint, 5th harmonic restraint, sensitive differential
- Communication: IEC 61850, Modbus, DNP3
