YB-12/0.4-preinstalled type substation is applicable to the rated working voltage of 12KV, rated frequency 50 HZ, three-phase ac system capacity in 800 KVA and below.lt is used for the residential areas, shopping malls, hotels, large construction places, high-rise buildings, industrial and mining enterprise as well as the temporary construction sites, suitable for ring network power supply, also used in radial terminal power supply. This series is made up of medium voltage switchgear, power distribution substation transformer, low voltage switch equipment, electric energy metering and power factor compensation device and other parts in a certain connection scheme of one or several boxes of complete sets of power distribution device. This series of transformer substation has compact structure, complete sets of strong, safe and reliable running, convenient maintenance, beautiful shape, small volume, etc.
