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    Bring innovation to every level of your grid

    Improve safety, reliability, connectivity, and efficiency with EcoStruxure™ Grid, our active energy management architecture and platform.

    Learn more
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    Modernize your grid with the smart RMU

    Simple, flexible, and digital, our smart ring main units help you make a smoother and easier transition to a future-ready grid.

    Learn more
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    One solution, comprehensive capabilities

    Seamlessly integrated with the Easergy T300 remote terminal unit (RTU), the smart ring main unit (RMU) is an innovative solution that makes it easier for you to answer the evolving challenges of electrical distribution. An all-in-one solution, the smart RMU is easy to purchase, install, and maintain, helping to reduce operational costs. Its robust design fits even harsh environments.
    • Take charge of your grid evolution

      Explore the key features of the smart ring main unit and learn how it can help you transform your network into a future-ready grid

      Download the brochure
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    • Take a closer look

      Zoom into the smart ring main unit (RMU) to see its fully integrated sensors for voltage, power, current, and temperature monitoring.

      Discover the smart RMU in 3D
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    • Stay in touch with Ringmaster at any time

      Delve into hi-reliable gas-insulated switchboard solutions for underground secondary distribution, no matter where you are. With the eCatalog 3D Power app, you can explore the Ringmaster technology easier than ever.

      Download now from App Store (only on Ipad) or Google Play
      Aerial view of a smart city at night, smart buildings.

      The cornerstone of a smart grid

      Discover how smart RMUs are introducing smart-grid capabilities into MV/LV substations.

      Why choose our smart RMU

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        Improved energy availability

        Reduce outage time by detecting faults early and automatically reconfiguring the network afterward. Integrate intermittent and distributed generation smoothly to maintain energy quality and stability.

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        Optimized network performance

        Get your grid ready for growing energy demand. With advanced analytics, you can optimize asset management, manage load shedding and peak shaving, and reduce technical and nontechnical losses.

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        Enhanced cybersecurity

        Enjoy the advantages of grid connectivity without worrying about the security of your data. The smart RMU is compliant with IEC 62351, IEEE 1686 role-based access control (RBAC), and Achilles Practices.

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        Time and cost savings

        Quick and easy to install, the smart RMU enables you to save time on implementation. Thanks to condition-based maintenance and simplified IT management, you can also reduce your operational costs.

      • See the new world of energy in 3D+E Discover how digitization, decarbonization, and decentralization are transforming the energy world.
      • Improve grid reliability with EcoStruxure Find out how our solutions help SA Power Networks deliver reliable power in extreme conditions.

      Facts

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      • Tools icon Reduced maintenance costs with smart sensors for substation monitoring
      • < 60 s Faster power restoration thanks to decentralized schemes
      • $ A cost- and time-effective solution to improve energy availability (SAIDI)
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      • Earth icon Expertise of the RMU market leader with +2.5 M installations worldwide

      Discover products featured with the smart RMU

      Nos conseillers sont disponibles pour répondre à vos questions de 8h00 à 18h00 du lundi au vendredi toute l'année.