The frameworks and metal structures of all the low-voltage power distribution cabinets have sufficient strength and stiffness and can withstand the mechanical stress, thermal stress and electric power produced in operation and short circuits of the installed components. Meanwhile, the performance of the 4
cabinets cannot be affected by movement, lifting, transportation and the like. The equipment enclosure is smooth, tight and beautiful and can be used for 20 years with no deformation or corrosion.