PW LADDER TRAY STANDARD CORRUGATED BOTTOM A RUNG TYPE CA MECHANICAL PROPERTIES SOLID OR VENTILATED MINIMUM THICKNESS = 0.032" LOAD TYPE This is the standard corrugated bottom used for all aluminum, solid-bottom tray systems up to and including NEMA Class 20C. Corrugated bottoms are not available in widths greater than 36". For extremely heavy load applications. Ladder type tray is recommended. 6 2000 2000 1 n 2 n 0.88" 9 1333 1333 SAFE LOAD LIMITS (LBS/FT) TRAY WIDTH (IN.) 12 18 24 1000 667 500 1000 600 350 30 400 200 36 333 100 0.50" 2.19" UPGRADE BOTTOM A RUNG TYPE ST MECHANICAL PROPERTIES MINIMUM THICKNESS = 0.105" MOMENT OF INERTIA: IX = 0.0531 IN4 SECTION MODULUS: SX = 0.0917 IN3 SLOTTED†RUNG SPACING n 2 n 1 n 2 n 1 n 2 n 1 n 2 n 1 6 1.63" 9 x x 1.00" 12* 18 0.38" 0.38" 2 SAFE LOAD / CABLE LOAD n +200 LBS: Allowable uniformly- distributed cable load expressed in lbs/linear foot of tray length, based on the load carrying capability of the rung with a safety factor of 1.5. To convert Safe Load/Cable Load Only to reflect a safety factor of 2.0, multiply the safe loads shown by 0.75. distributed cable load expressed in lbs/linear foot of tray length, based on the load carrying capability of the rung with a 200 lb. concentrated static load applied at the center of the rung, without collapse. ONLY: Allowable uniformly- * Single rung load capacity: The data shown for 12" rung spacing is equivalent to the load capacity of the single rung. 6 6602 6602 4402 4402 3301 3301 2201 2201 9 4402 4402 2934 2934 2201 2201 1467 1467 12 3301 3301 2201 2201 1651 1651 1100 1100 SAFE LOAD LIMITS (LBS/FT) TRAY WIDTH (IN.) 18 24 30 2201 1651 1320 2201 1604 1123 1467 1100 880 1467 1069 749 1100 825 660 1100 802 562 734 550 440 734 535 374 36 1100 803 734 535 550 401 367 268 42 943 574 629 382 472 287 314 191 48 825 402 550 268 413 201 275 134 n 3 Will not support a 200 lb. concentrated static load applied at the center of the rung. [XX] Two digit code in the safe load limit tables indicates recommended rung option for specified width. †Slotted rungs are installed alternating slot up and slot down. METALLIC RUNG OPTIONS 1 SAFE LOAD/CABLE LOAD n LOAD TYPE This is the upgrade slotted rung for all aluminum ladder cable tray. This rung is also available for all aluminum ladders for extremely heavy load applications. ST rungs are installed alternating slot up and slot down. B.33 For detailed material and finish descriptions, see page B.6. WWW.LEGRAND.US/CABLOFILhttp://WWW.LEGRAND.US/CABLOFIL