XL type low-voltage enclosed power cabinet is suitable for three-phase three-wire, three-phase four-wire, three-phase five-wire system with AC voltage of 400V and below for power lighting distribution. It has the characteristics of flexible power distribution scheme, convenient combination, strong practicability and novel structure. It can be widely used in power plants, aerospace, aviation, petrochemical, metallurgy, textile, high-rise buildings, steel and other industries.