B-Line Eaton series imperial cable tray and ladder, 6" Height, 34.125" Length, 18" Width, Series 2-5 horizontal bend, Aluminum, 30° Angle, 48" Radius

Plan for the fitting's 34.125 inch overall length along the run, measured from end to end of the bend. The turn itself is 30 degrees on a 48 inch radius, so the arc is gentle rather than tight, and the 48 inch inside radius is what keeps power cable bend radius within limits on larger conductors. Lay it out on the drawing before you set your trapeze hangers, because the support points fall outside the fitting on a bend this long.

Aluminum is the choice where weight and corrosion matter. This 18 inch bend weighs 9.252 lb, so a two-man crew can set fittings overhead without rigging, and aluminum does not need galvanizing or paint to hold up in damp plant, coastal, or wash-down areas. Steel tray is the alternative where you need higher load capacity on long support spans or where the spec calls for it.

Order connecting hardware separately. The 6A-18-30HB48 is supplied as the horizontal bend fitting only, so you also need splice plates and bolt sets for each end joint, plus your hangers, trapeze channel, or wall brackets for support. Use the splice hardware matched to the Series 2 through 5 aluminum tray so the bolt pattern and the grounding path through the joint are correct.

Order Eaton B-Line part number 6A-18-30HB48. Reading the designation: 6 inch rail height, aluminum, 18 inch width, 30 degree horizontal bend, 48 inch radius. Distributors cross-referencing should quote that MPN directly, since the same fitting family covers multiple widths and radii and the number is the only way to pin the combination.

On B-Line ladder tray, the 18 inch figure is the tray width and the 6 inch figure is the side rail height, which together give you the usable cable fill area through the bend. Rung spacing carries the cable across the 18 inch span. When you are calculating fill, work from the 18 inch width and the 6 inch rail depth, and keep the load within what your support spacing allows for aluminum.