Ring Main Unit

Ring Main Units are the typical pieces of switchgear used in the distribution systems. These have the switches for the purpose of switching power cable rings as well as the absolute protection of distribution transformers. They can be used for two inputs with mechanical as well as electrical interlocks. They are also utilized for redundancy feeders purpose. Ring Main Units can also be useful to deal with an uninterrupted power supply. They also protect the secondary side converters from the infrequent transient currents. The units are available in a totally sealed design and function as the gas-lined switchgear units.