Box type substation, also known as prefabricated substation or prefabricated substation. It is a factory prefabricated indoor and outdoor compact power distribution equipment with high-voltage switchgear, distribution transformer and low-voltage power distribution device arranged in one according to a certain wiring scheme, that is, the functions of transformer voltage reduction and low-voltage power distribution are organically combined and installed in a moisture-proof, rust proof, dust-proof, rat proof, fire-proof, anti-theft, heat insulation, fully enclosed and movable steel structure box, especially suitable for urban network construction and transformation, It is a brand-new substation rising after the civil substation. Box type substation is applicable to mines, factories, oil and gas fields and wind power stations. It replaces the original civil power distribution room and distribution station and becomes a new complete set of power transformation and distribution equipment. Distribution cabinet installation