ME C HA N I CA L www.hubbell.com/burndy | A-25 TYPES KA-U, KKA-U UNIVERSAL TERMINAL Aluminum and Copper Conductors These dual-rated one-conductor lugs are constructed from high strength aluminum alloy and electro tin- plated to provide low contact resistance. Catalog Number* Fig. No. Wire Range Aluminum or Copper (AWG/kcmil) Stud Hole Size D L N ** W E T ** H Recommended Tightening Torque (in-lb) KA6U 1 14-6 AWG 1/4 0.63 1.06 0.25 0.50 — 0.09 0.51 45 KA2U 1 14-2 AWG 1/4 0.63 1.16 0.31 0.50 — 0.10 0.56 50 KA25U 1 14-1/0 AWG 1/4 0.81 1.50 0.44 0.63 — 0.19 0.92 50 KA26U 2 14-2/0 AWG 1/4 0.81 1.47 0.45 0.63 — 0.19 0.80 120 KA29U 2 6 AWG-250 kcmil Class B & C 6-4/0 AWG Class G, H, I, K & DLO 5/16 0.94 2.00 0.47 1.00 — 0.25 1.14 275 KA30U 2 6 AWG-300 kcmil Class B & C 6 AWG-250 kcmil Class G, H, I, K & DLO 5/16 0.94 2.00 0.45 1.00 — 0.25 1.14 275 KA31U 2 6 AWG-350 kcmil Class B & C 6 AWG-300 kcmil Class G, H, I, K & DLO 3/8 1.03 2.25 0.52 1.13 — 0.25 1.27 275 KA34U 2 4 AWG-500 kcmil Class B & C 4 AWG-400 kcmil Class G, H, I, K & DLO 3/8 1.50 2.81 0.88 1.51 — 0.31 1.58 500 KA36U 2 2 AWG-600 kcmil Class B & C 2 AWG-500 kcmil Class G, H, I, K & DLO 3/8 1.72 3.19 0.78 1.50 — 0.44 1.58 500 KA40U 2 300-800 kcmil Class B & C 350-750 kcmil Class G, H, I, K & DLO 1/2 1.85 3.50 0.81 1.75 — 0.50 1.95 550 KA44U 2 500-1000 kcmil Class B & C 350-750 kcmil Class G, H, I, K & DLO 1/2 1.69 3.50 0.88 1.75 — 0.50 1.95 550 KKA31U2N 3 6 AWG-350 kcmil 1/2 3.16 5.50 0.63 1.25 1.75 0.38 1.52 275 KA36U2N 4 2 AWG-600 kcmil 1/2 3.22 4.69 0.63 1.50 1.75 0.44 1.57 500 KA40U2N 4 300-800 kcmil Class B & C 350-750 kcmil Class G, H, I, K & DLO 1/2 3.03 4.75 0.63 1.75 1.75 0.50 1.95 500 KA44U2N 4 500-1000 kcmil Class B & C 350-750 kcmil Class G, H, I, K & DLO 1/2 3.03 4.75 0.63 1.75 1.75 0.50 1.95 550 KA30226U 5† 6 Str. - 300 kcmil or (2) 4 Str. - 2/0 Str. 5/16 1.31 2.31 2.00 0.86 0.69 0.25 1.50 275 KA36229U 5 4 Str. - 600 kcmil or (2) 250 kcmil - 1/0 Str. 3/8 1.50 2.81 1.00 1.38 – 0.31 1.81 550 KA39230U 5 #2 Str. - 750 kcmil or (2) 1/0 Str. - 300 kcmil 3/8 1.50 2.81 1.00 1.38 – 0.31 1.81 550 Fig. 1 Fig. 3 Fig. 5 Fig. 2 Fig. 4 * “N” indicates NEMA standard stud holes. Listed torque values are for maximum conductor sizes accommodated. Consult UL486 Table 21, 22, 23 (found in Section O of this catalog) for smaller conductor combinations. † Figure 5 keyhole style with 2 hole pad. ** Maximum dimension. Universal Terminals AL9CU
2024 Burndy Master Catalog - September Update
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