The ring main unit is a switch cabinet (outlet switch cabinet) for each distribution branch, and the busbar of this switch cabinet is also part of the ring trunk line. That is to say, the ring trunk line is composed of the busbars of each outlet cabinet connected together. Each outlet cabinet is called a "ring main unit". In fact, you cannot see the meaning of "ring network" when you take out a ring network cabinet alone. Smart ones are safer than traditional ones, require less maintenance, and are easy to install. You can look at Boer Power, which combines many years of technological accumulation and continuous core research and development advantages. It relies on unique patented technology to provide intelligent power distribution system solutions and energy management. , as well as one-stop power and environment facility solutions for data center facilities and other areas of energy saving and efficiency improvement are outstanding.