Description
Key Technical Specifications
- Power Supply: 24-250 V DC / 48-240 V AC options
- Communication Protocols: IEC 61850 MMS/GOOSE, line differential over fiber or pilot wire
- Protection Functions: Stabilized and instantaneous line differential, breaker failure, overcurrent, autoreclosing
- Measurement: Three-phase currents, residual quantities, sequence components
- I/O Capacity: Modular with TRM, IOM, BIM options
- Operating Temperature: -25 to +70 °C
- Mounting: 19″ rack, 6U height variants
- HMI: Graphical display with local control
- Differential Link: Fiber-optic or galvanic options
- Standards: IEC 61850, IEC 60255
- Application: Overhead lines, cable feeders, multi-breaker configurations
Product Introduction
Line differential protection demands matched pairs and precise communication between ends. The ABB RED670 1MRK004810 delivers high-speed unit protection for transmission and sub-transmission lines in the Relion 670 platform.
It handles single or multi-breaker arrangements with phase-segregated differential elements plus backup functions. This makes it suitable for complex feeders where selectivity and speed reduce outage impact.
