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    The Ringmaster RN2d

    Introducing the new Ringmaster RN2d, ready for the future. Ringmaster has been reliably safeguarding Britain's power for 40 years.

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Now ready for the future

The new SF6 Insulated ring main unit for medium voltage networks up to 13.8kV, designed to be integrated with the Easergy T300 Remote control and monitoring unit. Built using over 40 years experience, this advanced version of existing ring main unit is now smarter, with improved reliability and an extended life. An evolution of the existing Ringmaster RN2c, it has been designed for indoor and outdoor use with reliability, safety, longevity and smart integration in mind. Great British engineering at its best!
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Nickel coated epoxy tank A touch proof safety feature which is insensitive to harsh environments. The cable box has also been redesigned to meet the Internal arc classification of 13.1kA (AF). Internal arc design in accordance with the latest international standards, also manufactured in our IEC ISO9001-certificated UK facility.

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Every part is built for total reliability RN2d is an SF6 insulated ring main unit for medium voltage networks up to 13.8kV. Additional test access connections for ring switch cable testing. One of the many features of RN2d is our VIP protection relays. To discover in detail our New VIP400 self powered microprocessor-based protection relay.

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  • Easergy T300 The new benchmark in power distribution automation.

    A modular platform of hardware and firmware, and an application building block for medium voltage and Low Voltage public distribution network management. It offers a single solution for control and monitoring, from a simple pole-top device to a large MV/ MV or MV/LV substation.

    Learn more on Easergy T300
  • Easergy T300 Flexible communication to control centres and wider networks

    • Standard and more secure protocols: IEC 101/104, DNP3, IEC 61850, Modbus
    • Open peer-to-peer communication for self-healing applications
    • Flexible communication media: Ethernet, USB, GPRS, 2G, 3G, 4G, RS232/485…
    • Open to third party devices with many protocol capabilities
    • Wi-Fi connectivity for local operation

    Learn more on Easergy T300
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