Product News

A Ring Main Unit (RMU) is a compact, sealed switchgear used in medium-voltage ring distribution networks. 

Rising altitudes significantly affect the design and operation of medium-voltage equipment, making tailored design strategies essential.

Industry evaluations have demonstrated that upgrading from air-insulated to solid Insulated Switchgear can significantly extend equipment lifespan, improve insulation performance, and enhance power supply reliability over the long term, while also contributing to environmental sustainability.

As global power grid modernization accelerates, Ring Main Units (RMUs) are playing an increasingly vital role in medium-voltage distribution systems. Below is a summary of recent developments and market trends in the RMU sector:

The Ring Main Unit (RMU) Market Trend from 2025 to 2034

Reliable Performance, Sustainable Design, and Intelligent Control

Kenjing Group Ring Main Unit

Applications of RMUs
- Urban Power Distribution – RMUs are essential in underground cable networks, ensuring continuous power supply in cities.
- Industrial Facilities – Used in factories and manufacturing plants to maintain stable electricity distribution.
- Renewable Energy Plants – RMUs play a role in wind and solar power plants, helping integrate renewable energy into the grid.
- Commercial Buildings – Found in hotels, shopping centers, hospitals, and airports, ensuring uninterrupted power.
- Secondary Substations – Used to isolate faulty sections and reroute power in distribution substations.
- Smart Grid Integration – RMUs with intelligent electronic devices help in modernizing power networks.