PW LADDER TRAY STANDARD RUNGS This is the standard solid rung for the following steel cable trays, up to 24 " wide: NEMA Class 12B and 12C ladder with flange-in side rails. RUNG TYPE MECHANICAL PROPERTIES THICKNESS = 0.038 " HL SOLID 0.63 " x 2.50 " MOMENT OF INERTIA: IX = 0.0143 IN4 SECTION MODULUS: SX = 0.0374 IN3 5 1.25 " 0.63 " x 0.75 " 6 9 RUNG SPACING 6 n1 3351 n2 3351 n1 2793 n2 2793 n1 1862 n2 1862 12* n1 1396 n2 1396 9 2234 2234 1862 1862 1241 1241 931 931 12 1676 1480 1396 1233 931 822 698 617 SAFE LOAD LIMITS (LBS/FT) TRAY WIDTH (IN.) 24 18 1117 667 931 556 621 370 465 278 30 36 42 48 838 HH HH SU SU 260 HH HH SU SU 698 HH HH SU SU 217 HH HH SU SU 465 HH HH SU SU 144 HH HH SU SU 349 HH HH SU SU 108 HH HH SU SU M G This is the standard solid rung for the following steel cable trays, 30 " and 36 " wide: NEMA Class 12B and 12C ladder trays with flange-in side rails. RUNG RUNG TYPE HH SOLID 0.63 " x 2.50 " MECHANICAL PROPERTIES THICKNESS = 0.048 " MOMENT OF INERTIA: IX = 0.0175 IN4 SECTION MODULUS: SX = 0.0456 IN3 5 1.25 " 0.63 " x 0.75 " 6 9 SPACING 6 n1 HL n2 HL n1 HL n2 HL n1 HL n2 HL 12* n1 HL n2 HL 9 HL HL HL HL HL HL HL HL 12 HL HL HL HL HL HL HL HL SAFE LOAD LIMITS (LBS/FT) TRAY WIDTH (IN.) 24 18 HL HL HL HL HL HL HL HL HL HL HL HL HL HL HL HL 30 948 481 790 401 527 267 395 201 36 42 48 790 SU SU 241 SU SU 659 SU SU 201 SU SU 439 SU SU 134 SU SU 329 SU SU 101 SU SU This is the standard rung for all flange-out steel ladders and all flange-in, NEMA Class 20A, 20B, and 20C, hot-dip galvanized steel ladders 6 " -24 " wide. Please contact Legrand for catalog numbers if this rung is desired for other tray systems. RUNG TYPE BX SOLID MECHANICAL PROPERTIES RUNG MINIMUM THICKNESS = 0.048 " MOMENT OF INERTIA: IX 1.00 " 9 x x 0.97 " SPACING = 0.0188 IN4 SECTION MODULUS: SX = 0.0343 IN3 6 6 n1 3243 n2 3243 n1 2162 n2 2162 12* n1 1621 n2 1621 0.28 " B.56 WWW.LEGRAND.US/CABLOFIL 0.28 " 18 n1 1081 n2 1081 9 2162 2162 1441 1441 1081 1081 721 721 12 1621 1561 1081 1041 811 781 540 520 SAFE LOAD LIMITS (LBS/FT) TRAY WIDTH (IN.) 24 18 1081 774 721 516 540 387 360 258 30 36 42 48 811 BH BH BH BH 381 BH BH BH BH 540 BH BH BH BH 254 BH BH BH BH 405 BH BH BH BH 190 BH BH BH BH 270 BH BH BH BH 127 BH BH BH BH METALLIC RUNG SPECIFICATIONS LOAD TYPE LOAD TYPE LOAD TYPEhttp://WWW.LEGRAND.US/CABLOFIL