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Air insulated Ring Main Unit (RMU)
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English
ROCKWILL Air insulated Ring Main Unit (RMU) is factory-assembled, metal-enclosed modular switchgear for medium voltage distribution systems. It uses atmospheric air as the insulating medium, equipped with load break switches and optional fuse combination units for transformer protection. The modular design allows flexible combination of ring-in, ring-out and transformer protection bays. The product complies with IEC 62271-1:2017, IEC 62271-103:2019 and IEC 62271-200:2021. Relevant documents incl