A Ring Main Unit (RMU) is a fully enclosed, compact, and factory-assembled switchgear cabinet designed for medium-voltage power distribution. Built for both indoor and outdoor applications, RMUs offer high protection, low maintenance, and easy replaceability. These units are vital components in ring-type distribution networks, enabling safe and efficient load switching, transformer connections, and network extensions. RMUs are available in extensible and non-extensible configurations and across various voltage levels, making them suitable for a wide range of applications. At Röhr Eckhardt, we ensure safe and future-ready grid upgrades with our advanced and innovative range of RMUs.

• Compact Design – Ideal for indoor and outdoor installations
• SF6 Insulated for high dielectric strength and low maintenance
• Fully Sealed and Gas-Insulated construction for longevity
• Available in extensible and non-extensible configurations

• Compliant with IEC 62271 medium-voltage standards
• Enhanced Safety with arc protection and interlocks
• SCADA-ready for remote monitoring and control
• IP54/IP65 rated enclosures for corrosion resistance

Applications of Ring Main Units:

• Urban Power Distribution Networks
• Industrial Complexes and Factories
• Renewable Energy Installations (Solar, Wind)
• Underground Cabling and Distribution Systems
• Airports, Railways, and Metro Infrastructure
• Commercial Complexes and IT Parks
• Oil & Gas Installations
• Smart Grid and Utility Network Applications

Why choose Röhr Eckhärdt Ring Main Unit?

• Engineered with German precision and made in India
• Long service life with minimal maintenance
• Custom-built configurations for diverse needs
• Fast delivery and expert technical support
• Smart grid compatible with remote diagnostics
• Sustainable and environmentally conscious design