YB□-10 prefabricated box-type substation (European style) are more flexible and more convenient to use than civil substations, and are widely used in urban network renovation of high-rise buildings, residential quarters, industrial parks, commercial centers, airports, station terminals, schools, mining enterprises and other places .

The prefabricated substation (hereinafter referred to as the box substation) is composed of three parts: high-voltage switchgear, transformer and low-voltage switchgear. The so-called combined type is that these three parts are each in a room to form a "me" or "pin"-shaped arrangement. The integrated type is based on the transformer, and the high-voltage load switch and fuse are installed in the transformer box to form an integrated layout.