Ring Main Unit RMU

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RMU
Ring main Unit
he Ring Main Units(RMU) are designed to use the secondary distribution of 15/24/33 kV class
underground line and to enable connection, supply and protection by current limiting fuse
combination. It can be use to protection one or two transformers in combination with circuit breaker,
RMU has been designed for use as a stand alone device or can be easily integrated into
distribution automation and remote control schemes using the inbuilt communications capability.