ABB RED670 1MRK002810-AB Relion 670 Line Differential Protection Relay
Product Overview
The ABB RED670 (Ordering Code: 1MRK002810-AB) is a premium Intelligent Electronic Device (IED) from the Relion® 670 series, specifically optimized for the current differential protection of overhead lines and cables. Designed for transmission and sub-transmission networks, the RED670 provides phase-segregated communication-based protection, ensuring high-speed fault clearance with absolute selectivity. Beyond its primary differential function, it integrates full distance backup protection, monitoring, and substation automation features. With native support for IEC 61850 and HSR/PRP Ethernet redundancy, the RED670 enables seamless integration into modern digital substations, providing utilities with a high-availability solution for complex power system interconnections.
Technical Specifications
The following technical data defines the operational and physical profile of the RED670 (1MRK002810-AB):
| Parameter | Specification Details |
| Model Number | RED670 |
| Ordering Code | 1MRK002810-AB |
| Manufacturer | ABB (Hitachi Energy) |
| Product Type | Line Differential Protection IED |
| Main Protection | Phase-segregated line differential (87L) |
| Backup Protection | Full 5-zone distance (21), Overcurrent (50/51) |
| Automation Functions | Synchro-check, Autoreclosing, Breaker Failure (50BF) |
| Communication Protocols | IEC 61850-8-1, IEC 60870-5-103, DNP3, Modbus |
| Ethernet Redundancy | PRP (Parallel Redundancy), HSR (High-availability) |
| Auxiliary Supply | 24–250 VDC / 100–240 VAC |
| Disturbance Recording | 40 analog channels, 128 binary channels |
| Dimensions (H x W x D) | 266 mm (6U) x 177 mm x 220 mm |
| Net Weight | 6.0 kg - 8.0 kg (Hardware dependent) |
| Compliance | IEC 60255, ANSI, CE, UL |
What's clients say about us
Excellent Emergency Support!
Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.
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Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.
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Engineering Lead, GermanyTop-tier Service and Quality
We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.
Lucas Müller
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Guide
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