1MRK002122-ABr00 ABB Data Communication Module Unit

Description

TheABB 1MRK002122-ABr00is part of ABB’sRelion® series accessoriesfor protection and control systems. It is designed to enablefiber-optic communication linksbetween intelligent electronic devices (IEDs), ensuringfast, interference-free, and reliable data transmission. This module is particularly useful insubstation automation, whereelectromagnetic interference (EMI)can disrupt copper-based communication.