Square D™ Mounting Plate, Plain, For Use With: Special™ S57 Fixed Cover Box, Special™ S3D, CRN, S3X and Thalassa™ PLM 800 mm H x 600 mm W Enclosure, Specifications: 135 kg Permanent Permissible Load, M8 Screw, 2.5 mm THK, Steel, Galvanized, 550 mm W x 125 mm D x 750 mm H Dimensions