YB series Prefabricated Substation accords with GB/T 17467 HV/LV Prefabricated Substation. It is a perfect distribution system composed of Enclosure, transformer, LV switchgear and HV switchgear and is a new type whole-set equipment to deepen into load center, it’s features include small volume, pretty appearance, safe and reliable operation, little repair, convenient installation and it is applicable to country, town, urban areas, factory.