Terminal Block End Covers and Partition Plates: Plate Type - Terminal Block End Barrier; Block Models - TT-D-ST-BU; Width x Height x Thickness - in - 2.50 x 3.93 x 0.07; Width x Height x Thickness - mm - 63.50 x 100.0 x 2.00; Material - Polyamide; Color - Blue; Additional Information - Mounting Type: DIN Rail: 35 mm; Model Number - TT-D-ST-BU; Manufacturer Series - TT-D