ABB 1MRK002239-BBr04 Power Supply Module Card

Description

TheABB 1MRK002239-BBr04is apower supply module carddesigned forABB’s Relion® series protection and control IEDs (Intelligent Electronic Devices). It ensures reliable and stableauxiliary powerto ABB relay systems, supporting continuous operation ofprotection,control, andcommunication functionsindigital substationsandindustrial automation environments. This module is critical forABB Relion® 670 series relays(e.g.,REL670,RET670,REF670,RED670), where a reliable and stable power supply is essential formonitoringandprotectionof transmission and distribution networks.