SF6 ring main unit is a compact, enclosed and sealed type of switchgear used for medium voltage power distribution. SF6 ring main unit is a complete switchgear in itself, which means that assembly of required switching devices, protection device and metering device. What are the failures of SF6 ring
A SF6 ring main unit is a totally sealed, gas-insulated compact switchgear unit. The primary can be either switch disconnectors or fused switch disconnectors or circuit breakers. Intelligent complete sets of electrical switch equipment and intelligent controller products are an important part of the
SF6 ring main unit for secondary distribution network has the advantages of uninterrupted power supply. The function of SF6 ring main unit is to ensure the power supply that when the main source of power shutdown, the second source could be feed immediately. SF6 ring main unit is SF6-insulated, whic