ABB 1MRK002122‑ABR03 LR‑LDCM Long‑Range Single‑Mode Optical Module Relion IED Spare Part

Short Description:

Original ABB 1MRK002122‑ABR03 long‑range single‑mode LDCM fiber module for Relio

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Product Detail

Original ABB 1MRK002122‑ABR03 long‑range single‑mode LDCM fiber module for Relion protection relays, long‑distance substation communication spare part.

Product Overview

1MRK002122‑ABR03 is LR‑LDCM long‑range single‑mode optical plug‑in module for ABB Relion series protection and control IED. It adopts single‑mode fiber interface, supports long‑distance point‑to‑point optical communication between protection relays, provides complete galvanic isolation, effectively resists strong electromagnetic interference in substation environment, supports GOOSE protection signal transmission. Widely used as maintenance spare part for long‑distance communication of power plant and high‑voltage substation relay protection systems.

Key Features

Dual ST single‑mode fiber ports for long‑distance optical data transmission
Excellent anti‑EMI performance, suitable for harsh high‑voltage substation field environment
Complete galvanic isolation between optical channel and internal relay logic circuit
Slot plug‑in installation inside Relion protection IED, convenient for on‑site replacement
Supports GOOSE fast protection message interaction between intelligent electronic devices
Front‑panel LED indicators for communication link status and fault diagnosis
Complies with IEC substation EMC and environmental adaptability standards

Technical Specifications

Brand: ABB
Model: 1MRK002122‑ABR03
Module Type: LR‑LDCM Long‑Range Optical Communication Module
Fiber Type: Single‑mode fiber, ST connector
Max Transmission Distance: Up to 20km
Power Supply: Powered by relay internal backplane bus
Isolation Voltage: 1500V RMS dielectric isolation
Operating Temp: ‑20℃ ~ +60℃
Storage Temp: ‑40℃ ~ +85℃
Humidity: 5‑95% non‑condensing
Installation: Internal slot plug‑in for protection relay

Compatibility

Suitable for ABB Relion REF615, REF620, REG670 series protection IED devices. Must be used in pairs with matching long‑range LDCM modules, communication parameter configuration is required after replacement.