The utility model relates to a photoelectric cabinet with a detachable busbar, which comprises a cabinet body, a power distribution unit arranged at the upper end of the cabinet body, and an optical unit arranged at the lower end of the cabinet body. The photoelectric cabinet is characterized in that the power distribution unit is internally provided with a detachable A-pole bus bar, a detachable B-pole bus bar, a detachable C-pole bus bar and a detachable zero bus bar. The detachable A-pole bus bar, the detachable B-pole bus bar, the detachable C-pole bus bar and the detachable zero bus bar are respectively arranged on a first insulated fixed strip, a second insulated fixed strip, a third insulated fixed strip and a fourth insulated fixed strip. According to the technical scheme of the utility model, due to the adoption of the photoelectric cabinet, incoming and outgoing cables are orderly and artistic in appearance, and the arrangement of elements inside the cabinet body is optimized. Therefore, the photoelectric cabinet is compact and reasonable in structure and beautiful in appearance. The space of a cable shaft in a building is furthest saved. Meanwhile, the construction is more convenient and quicker.