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):