4" Itray Aluminum Straight Sections

Itray Straight Sections Numbering Example:
09 - 4 A 12B - S120 - 06
Bottom Type
Vented 06 - 6" Rung Spacing
09 - 9" Rung Spacing
12 - 12" Rung Spacing
VC - Vented Corrugated
Non-Vented SC - Solid Corrugated
SB - Solid Bottom
Rail Height
4 - 4"
5 - 5"
6 - 6"
7 - 7"
Material
A
NEMA Class Length*
S120 - 120"
S144 - 144"*
S240 - 240"*
S288 - 288"
Width
06 - 6"
09 - 9"
12 - 12"
18 - 18"
24 - 24"
30 - 30"
36 - 36"

* Standard (stock) lengths are 144" and 240", other lengths noted are available with extended lead time.

Click on the product number to download a data sheet.

Rail Height
(IN.)
Load Depth
(IN.)
NEMA Class Available Lengths
(FT.)
Widths
(IN.)
Tray System Number Amp Rating Support Span (FT.)
Safe Load Data (LBS./FT.) / Deflection (IN.) / Safety Factor 1.5
6 8 10 12 14 16 18 20 22 24 26 28 30
4 3 12B 10 12 - - - 6-36 4A12B 1200 300 0.46 169 0.81 108 1.27 75 1.83
3 12C 10 12 20 - - 6-36 4A12C 1200 400 0.49 225 0.86 144 1.35 100 1.94 71 2.64 52 3.45
3 20B 10 12 20 24 - 6-36 4A20B 2000 469 0.92 300 1.43 208 2.06 153 2.80 117 3.66 93 4.63 75 5.72 61 6.92 50 8.24

Connectors & Fittings:

Necessary connectors and fasteners are supplied with all trays and fittings. Extra connectors for field cuts or spares must be ordered separately.

Safe Load:

Allowable cable load in pounds per linear foot uniformly distributed. Based on tray with standard rung on 9" centers and supported on simple beam with safety factor of 1.5 per NEMA VE1.

Concentrated Load:

All ladders with solid rungs and trays with corrugated bottoms will support a 200 lb. concentrated load applied at the center of the tray in addition to the NEMA -rated cable load without collapse.

For more information on support placement click here.