Ring Main Unit

Ring Main Unit (RMU) is a compact, sealed, and highly reliable piece of switchgear used in medium-voltage (MV) power distribution systems (typically from 11kV up to 36kV). It plays a critical role in urban and industrial electrical distribution networks, especially in loop or ring networks, allowing load transfer and network segmentation without interrupting supply
RMU is a factory-assembled, metal-enclosed, and often gas-insulated switchgear unit designed to connect transformers and feeders in a ring or radial network. It allows the power supply to continue from the other direction if one side fails, enhancing the resilience and flexibility of the network.

Use of Ring Mai Unit

RMU are used to control and distribute electrical power in a ring network, providing flexibility and redundancy in the system. They are commonly employed in medium voltage distribution networks, typically ranging from 11kv, 22kv, and 33kV