ABB 1MRK002311-AAR02 optical line data communication module_Xiamen XingRuiJia Import and Export CO,LTD

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Model：ABB 1MRK002311-AAR02 optical line data communication module

Brand: ABB 2026-07-15
Price range (USD): 2000-4000
Country: Sweden
Parameter: Manufacturer: ABB
Model: 1MRK002311-AAR02
Product Type: Optical Long Range Line Data Communication Module
Product Family: ABB Relion® 670 Series
Commercial Alias: LR LDCM

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ABB 1MRK002311-AAR02

Product Name

ABB 1MRK002311-AAR02 Optical Long Range Line Data Communication Module (LR LDCM)

Product Overview

The ABB 1MRK002311-AAR02 is a long-range optical line data communication module designed for ABB protection and control systems. It is part of the ABB Relion® 670 series and is mainly used for high-speed, reliable communication between protection relays through single-mode fiber optic links.

This module provides secure and stable data transmission for applications such as line differential protection, allowing protection devices installed at different substations to exchange synchronized measurement data over long distances.

Technical Specifications

Parameter	Description
Manufacturer	ABB
Model	1MRK002311-AAR02
Product Type	Optical Long Range Line Data Communication Module
Product Family	ABB Relion® 670 Series
Commercial Alias	LR LDCM
Optical Interface	Single-mode fiber optic
Wavelength	1550 nm
Communication Distance	Up to approximately 20 km (depending on system configuration)
Power Supply	24 VDC (typical)
Data Transmission	High-speed optical communication
Installation	Protection relay / substation communication system integration
Application	REx670 / RED670 protection systems

Key Features

Long-distance optical communication
Supports reliable data exchange over extended fiber optic networks, suitable for large substations and transmission systems.
High electromagnetic interference immunity
Fiber optic transmission eliminates many interference issues associated with traditional copper communication cables.
High-speed protection communication
Enables fast and accurate signal synchronization required for line differential protection applications.
Reliable ABB Relion integration
Designed for use with ABB intelligent electronic devices (IEDs) in modern power protection systems.

Application Areas

The ABB 1MRK002311-AAR02 is widely used in:

High-voltage transmission substations
Power grid protection systems
Line differential protection applications
Utility automation systems
Renewable energy grid connection projects
Industrial power distribution networks

Typical Applications

Communication interface for ABB RED670 Line Differential Protection Relay
Long-distance relay-to-relay fiber communication
Substation automation and protection signaling
Real-time exchange of current and protection data between remote ends

Conclusion

The ABB 1MRK002311-AAR02 LR LDCM module is a high-performance optical communication component designed for demanding power system protection applications. With single-mode 1550 nm fiber technology, long-distance transmission capability, and strong resistance to electromagnetic interference, it provides a dependable communication solution for ABB Relion® protection systems and modern substation automation environments.

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