C-Channel Swage Ladder
Aluminum Tray
NEMA Standard VE-1 Load/ Span Class
NEMA Ld/Span
System Number
Systems Certified by CSA
Actual Load Depth
Side Rail Height
Flange Width
1 Sect. Mod. of 2 Rails
Moment of Inertia for 2 Rails Ix
Min X-Sect. Area of 2 Rails per NEC 392.7
1 3 ⁄16" 1 3 ⁄16" 1 3 ⁄16" 1 3 ⁄16" 1 3 ⁄16" 1 3 ⁄16" 1 3 ⁄16" 1 3 ⁄16" 1 3 ⁄16" 1 3 ⁄16" 1 3 ⁄16" 1 3 ⁄16" 1 3 ⁄16" 1 1/4"
4 1/4" 5 1/4" 6 1/4" 7 1/4" 4 1/4" 5 1/4" 6 1/4" 7 1/4" 4 1/4" 5 1/4" 6 1/4" 7 1/4" 4 1/4" 5 1/4" 6 1/4" 7 1/4" 4 1/4" 5 1/4" 6 1/4" 7 1/4" 4 1/4" 5 1/4" 6 1/4" 7 1/4" 4 1/4" 5 1/4" 6 1/4" 7 1/4" 5 1/4" 6 1/4" 7 1/4" 4 1/4" 5 1/4" 6 1/4" 7 1/4"
RT38
1B38 3"
(76mm)
(108mm)
0.898"
1.822"
.60"
RT48
1B48 4" (102mm)
(133mm)
1.142"
2.872"
.60"
50 lb./ft. 12' span
8A-12A
1.614"
4.720"
1.00"
RT58
––
5" (127mm)
(159mm)
RT68
––
6" (152mm)
(184mm)
1.874"
6.568"
1.00"
3B38
––
3"
(76mm)
(108mm)
1.148"
2.270"
.60"
1B48
1B48 4" (102mm)
(133mm)
1.142"
2.872"
.60"
75 lb.ft. 12' span
12B
3B58
––
5" (127mm)
(159mm)
1.614"
4.720"
1.00"
1B68
––
6'
(152mm)
(184mm)
1.874"
6.568"
1.00"
1.646"
3.350"
1.00"
5B38
––
3"
(76mm)
(108mm)
3B48
––
4" (102mm)
(133mm)
1.522"
3.734"
1.00"
100 lb./ft 12' span
12C
(159mm)
1.944"
5.866"
1.00"
5B58
––
5" (127mm)
(184mm)
2.576"
9.032"
1.00"
5B68
––
6" (152mm)
5B38
––
3"
(76mm)
(108mm)
1.646"
3.350"
1.00"
2.396"
6.292"
1.50"
7448
7448 4" (102mm)
(133mm)
50 lb./ft. 16' span
16A
1 1/4" 1 1/4" 1 1/4" 1 1/4" 1 1/4" 1 1/4" 1 1/4" 1 1/4" 1 1/4" 1 1/4" 1 1/4" 1 1/4" 1 1/4" 1 1/4" 1 1/4" 1 1/4" 1 1/4" 1 1/4" 1 1/4" 1 1/4" 1 1/4"
1D58
1D58
5" (127mm)
(159mm)
2.378"
7.202"
1.00"
5D68
5D68
6" (152mm)
(184mm)
4.874"
17.188"
2.00"
3D38
3D38
3"
(76mm)
(108mm)
2.242"
4.406"
1.50"
7448
7448 4" (102mm)
(133mm)
2.396"
6.292"
1.50"
75 lb./ft. 16' span
16B
1D58
1D58
5" (127mm)
(159mm)
2.378"
7.202"
1.00"
5D68
5D68
6" (152mm)
(184mm)
4.874"
17.188"
2.00"
5D38
5D38
3"
(76mm)
(108mm)
2.782"
5.738"
1.50"
3D48
3D48
4" (102mm)
(133mm)
3.434"
8.746"
2.00"
100 lb./ft. 16' span
16C
5D58
5D58
5" (127mm)
(159mm)
3.542"
10.748"
2.00"
5D68
5D68
6" (152mm)
(184mm)
4.874"
17.188"
2.00"
3D38
3D38
3"
(76mm)
(108mm)
2.242"
4.406"
1.50"
7448
7448 4" (102mm)
(133mm)
2.396"
6.292"
1.50"
50 lb./ft. 20' span
20A
1D58
––
5" (127mm)
(159mm)
2.378"
7.202"
1.00"
5D68
5D68
6" (152mm)
(184mm)
4.874"
17.188"
2.00"
3D48
––
4" (102mm)
(133mm)
3.434"
8.746"
2.00"
75 lb./ft. 20' span
20B
5D58
5D58
5" (127mm)
(159mm)
3.542"
10.748"
2.00"
5D68
5D68
6" (152mm)
(184mm)
4.874"
17.188"
2.00"
7D38
––
3" (102mm)
(133mm)
3.512"
6.956"
2.00"
5D48
––
4" (102mm)
(133mm)
3.910"
10.020"
2.00"
100 lb./ft. 20' span
20C
7D58
7D58
5" (127mm)
(159mm)
4.186"
12.024"
2.00"
5D68
5D68
6" (152mm)
(184mm)
4.874"
17.188"
2.00"
EXTRA HEAVY DUTY - VERY LONG SPAN TRAYS- 6, 9 OR 12 RUNG SPACING
1 1 ⁄4"
6 1/4" 6 1/4"
(159mm)
5.130"
15.700"
2.00"
9D58
5" (127mm)
20C+
7G58
5" (127mm)
(159mm)
2"
5.804"
17.456"
2.00"
Ladder Cable Tray System - Aluminum Tray
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