What are the dimensions of finished cable tray elbows

Cable tray elbows are available in standard widths from 150 mm to 1067 mm, heights from 50 mm to 203 mm, with bend radii of 305 mm, 610 mm, 915 mm, and 1220 mm, and angles of 30°, 45°, 60°, and 90°.Standard Widths and HeightsCable tray elbows are designed to match the widths and heights of straight tray sections. Standard widths typically include 150 mm, 203 mm, 300 mm, 450 mm, 600 mm, 750 mm, 900 mm, and 1067 mm. Heights (or loading depths) vary depending on the tray type and material, commonly ranging from 50 mm to 203 mm for steel or aluminum trays .Bend RadiiElbows are manufactured with different bend radii to accommodate cable bending requirements and minimize stress on cables. Common radii are 305 mm (12"), 610 mm (24"), 915 mm (36"), and 1220 mm (48") . The choice of radius depends on the type of cable, its minimum bend radius, and the installation space.Bend AnglesCable tray elbows are available in multiple angles to allow directional changes in both horizontal and vertical planes. Standard angles include 30°, 45°, 60°, and 90°, enabling flexible routing in complex installations .Additional ConsiderationsMaterial: Elbows are typically made from aluminum or steel, with finishes such as hot-dip galvanized, bare galvanized, or powder-coated for corrosion resistance .Compatibility: Elbows are designed to be compatible with straight tray sections, tees, and crosses, maintaining consistent width and height throughout the system .Spacing: For ladder-type trays, a normal spacing of 225 mm through the middle of the fitting is maintained to support cables effectively . By selecting elbows with the correct width, height, radius, and angle, installers can ensure code compliance, proper cable support, and minimal stress on cables, which is critical for long-term reliability and safety in electrical installations.