PowerX Training & Consulting - Type of RMU's Unit A Ring Main Unit (RMU) can be indoor or outdoor types and can be made on both sides, it consist of 2 units
Ring Main Unit (RMU) As An Important Part of Secondary Distribution Substations | PDF | Electrical Substation | Switch
![China 11kV 12kV 15kV 17.5kV CCV Indoor Ring Main Unit Manufacturer - Rockwill Electric Group - ROCKWILL Electric Group China 11kV 12kV 15kV 17.5kV CCV Indoor Ring Main Unit Manufacturer - Rockwill Electric Group - ROCKWILL Electric Group](https://www.cnrockwill.com/uploads/2205/26142844095.jpg)