The ABB RED670 is a high-performance Intelligent Electronic Device (IED) within the Relion 670 series, specifically engineered for the protection, monitoring, and control of overhead lines and cables. The 1MRK002810-AC variant is optimized for high-speed, phase-segregated line differential protection, ensuring rapid fault isolation and maximum grid stability even in complex network topologies.
Detailed availability and technical support can be accessed via our model catalog.
Product Specifications
| Feature | Details |
| Model Name | RED670 |
| Product ID | 1MRK002810-AC |
| Country of Origin | Sweden |
| Protection Type | Phase-Segregated Line Differential |
| Back-up Protection | Full-scheme Distance Protection (Zones 1-5) |
| Communication | IEC 61850 Ed. 1 & 2, Ethernet, Fiber Optic |
| Dimensions (WxHxD) | 1/1 x 19″ Rack Case (448 x 266 x 242 mm) |
| Net Weight | 8.2 kg |
| Power Supply | 110-250V DC / 100-240V AC |
Operational Precautions
- CT Secondary Circuit Safety: Never open a Current Transformer (CT) secondary circuit while the primary is energized. This can generate lethal high-voltage surges and destroy the IED’s internal input transformers.
- Communication Link Latency: Line differential protection requires precise synchronization between ends. Ensure the communication link (Fiber/Galvanic) meets the required jitter and latency specifications during commissioning.
- Grounding: The IED subrack must be securely connected to the station’s main earthing system to prevent electromagnetic interference (EMI) and ensure operator safety.
- Firmware Compatibility: Before performing configuration changes in PCM600, verify that the IED Connectivity Package version matches the hardware’s internal firmware revision.
FAQ (Questions & Answers)
Q: Can the RED670 protect multi-terminal lines? A: Yes, it is designed to manage up to five line terminals, providing synchronized differential protection across multi-end configurations.
Q: Does this model support “Cyber Security” features? A: Yes, the RED670 includes built-in security features such as central account management (LDAP), role-based access control (RBAC), and security logging to comply with NERC CIP standards.
Q: What is the primary function of the 1MRK002810-AC code? A: This is the ordering code that specifies the hardware configuration, including the housing size, the number of I/O boards, and the communication interface types.
Similar Relion 670 Series Models
- REL670 (1MRK002812-AC): Specialized Line Distance Protection IED.
- RET670 (1MRK002816-AC): Comprehensive Transformer Protection IED.
- REC670 (1MRK002814-AC): Substation Bay Control and Monitoring IED.
- REB670 (1MRK002820-AC): High-speed Busbar Differential Protection IED.
- REG670 (1MRK002818-AC): Generator Protection and Management IED.
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