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Ring Main Unit (RMU)

Solution for Poor Power Quality

Manufactures of Electrical Equipments are very much concern on poor quality of power and continuously working to bring the new inventions to solve the below issues .Servo voltage stabilizer is one of the best solutions to catch the issues of phase unbalancing and voltage variations. Servo voltage stabilizers solved small and giant problems of the electricity and added more life to the electrical appliances, equipments and machines.




A voltage stabilizer, as the name suggest, It helps us to have a stabilize voltage. When there is a high voltage than it makes it to the required level of electrical equipment and vice versa. Stabilized input to the machines and equipments helps us to increase the efficiency of machines as well as quality of final product reaches on high levels.


for more information please call Akil Siddiqui @ +91-9818596585 or mail us cosmostat@gmail.com 



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Ring Main Unit (RMU)

  Ring Main Unit,   RMU   is a compact, enclosed and sealed type of Switchgear used for medium voltage power distribution. It is a complete Switchgear in itself. A complete Switchgear means, assembly of required switching devices, protection device as well as metering device. RMU of different voltage (mostly 12 kV and 24 kV) and current ratings are available.  Indoor as well as outdoor types of Ring Main Units are available. Ring Main Unit comprises of one incomer feeder and one or more outgoing feeder. The incomer feeder is either Vacuum Circuit Breaker or SF 6  Circuit Breaker with associated Disconnect Switch and Earth Switch. This incomer feeder is given with the provision of bushing protruding from the enclosure of RMU for supply cable connection. A typical Ring Main Unit is shown in figure below. Outgoing feeder comprises of Load Break Switches with associated Disconnect Switch and Earth Switch. Provision for cable connection is provided in outgoing f...