Therefore, the thickness of the sheet metal of the cabinet body of the power electrical distribution box is usually not less than 1. Metal shell: mainly cold-rolled steel plate, with high strength and. The distribution box is an important component of the power system, serving as a crucial carrier for power sources, transformers, switches, distribution equipment, and more. It will not only affect the use, but also inevitably cause harm. OF ROW (S)IP66 plastic distribution box SHPN series has streamlined design, compact structure, easy installation, impact resistance, oxidation resistance, protection level up to IP66. The use of heavy-duty, UV-resistant engineered plastic materials.