Ring Main Unit

Ring Main Unit is a kind of smart, environmentally friendly power distribution equipment developed by GALAXY SWITCH independently. It has a brand new structure, high performance under all conditions, no internal arc, compact design, safe, environmentally friendly, maintenance free, etc.
Ring main unit is used in a secondary distribution system. It is basically used for an uninterrupted power supply. Alongside, it also protects your secondary side transformer from the occasional transient currents. Depending on your applications and loading conditons you can use a swicth fuse combination or a circuit breaker to protect the transformer. This transformer connected to the switch fuse circuit breaker is called your T off. In a common arrangement you have Load break swicthes on both the sides of your T off.