COMPRESSION CO N N E C T IO N S C-50 | www.hubbell.com/burndy TYPE YAV-L-NTFX (Continued) Copper, Flex, 1-Hole, Narrow, Standard Barrel, Inspection Window Catalog Number Conductor Stud Size Figure Dimensions Installation Tooling (# Crimps if over 1) Wire Strip Length (IN) Code Flex Metric MM² Pad Width (C) Barrel Length (B) Pad Thickness (T) Overall Length (L) Outside Diameter (OD) Color Code Die Index Dieless MD6, MD7, 500 Series 35, 750, 46* Series YAV4CLNT10FX 4 AWG 4 AWG G,H,I,K,M, DLO — #10 0.41 0.50 0.09 1.32 0.38 Gray 8 Y122CMR (2) MY29 Series Y1MRTC (2) 81K Series 644 Series 444 Series W4CRT W4CVT X4CRT U4CRT 1/2 YAV2CLNT14FX 2 AWG 2 AWG G,H,I,K,M, DLO 35 1/4 0.46 0.63 0.10 1.71 0.46 Brown 10 W2CVT W2CRT X2CRT U2CRT 11/16 YAV2CLNT516FX 5/16 0.44 0.63 0.10 1.78 0.46 YAV25LNT14FX 1/0 AWG 1/0 AWG G,H,I,K,M, DLO 50 1/4 0.67 0.69 0.12 1.75 0.56 Pink 12 MY29 Series 644 Series 444 Series 81K Series W25VT (2)‡ W25RT (2)‡ X25RT (2) U25RT 11/16 YAV25LNT516FX 5/16 0.67 0.69 0.12 1.81 0.56 YAV25LNT38FX 3/8 0.76 0.69 0.13 1.94 0.56 YAV26LNT516FX 2/0 AWG 2/0 AWG G,H,I,K,M, DLO 70 5/16 0.90 0.81 0.13 1.98 0.63 Black 13 W26VT (2)‡ W26RT (2)‡ X26RT (2) UI26RT 13/16 YAV26LNT38FX 3/8 0.90 0.81 0.13 2.11 0.63 YAV26LNT12FX 1/2 0.87 0.81 0.13 2.36 0.63 YAV27LNT12FX 3/0 AWG 3/0 AWG G,H,I,K,M, DLO 95 1/2 0.76 1.00 0.14 2.59 0.70 Orange 14 MY29 Series 644 Series 444 Series 81K Series 4PC Series W27VT (2)‡ W27RT (2)‡ X27RT (3) U27RT 1-1/16 YAV28LNT516FX 4/0 AWG 4/0 AWG G,H,I,K,M, DLO 120 5/16 0.94 1.03 0.15 2.29 0.77 Purple 15 MY29 Series 644 Series 444 Series 81K Series W28VT (2)‡ W28RT (2)‡ X28RT (3) U28RT 1-1/16 YAV28LNT38FX 3/8 0.94 1.03 0.15 2.42 0.77 YAV28LNT12FX 1/2 0.76 1.03 0.15 2.67 0.77 YA30LNT516FX — 250 kcmil G,H — 5/16 0.96 1.03 0.15 2.48 0.81 Yellow 16 644 Series 444 Series 81K Series (2) W29RT (2)‡ W29VT (2)‡ X29RT(4) U29RT (2) 1-1/8 YA31LNT12FX — 250 kcmil I,K,M, 262 DLO 150 1/2 0.96 1.06 0.18 2.75 0.88 White 17 or 298 644 Series 444 Series 81K Series 4PC Series W30VT (2)‡ W30RT (2)‡ U30RT (2) 1-1/8 YA32LNT516FX — 300 kcmil G,H,I,K,M, 313 DLO 185 5/16 0.96 1.19 0.19 2.65 0.95 Red 18 644 Series 444 Series 81K Series W31VT (2)‡ W31RT (2)‡ U31RT (2) 1-1/4 YA32LNT38FX 3/8 0.96 1.19 0.19 2.68 0.95 YA34LNT38FX — 350 kcmil G,H,I,K,M 373 DLO 240 3/8 0.96 1.27 0.23 2.87 1.06 Blue 19 or 470 644 Series 444 Series 81K Series W32VT (2)‡ W32RT (2)‡ U32RT (2) 1-5/16 YA34LNT12FX 1/2 0.96 1.27 0.23 3.12 1.06 YA38LNT12FX — 500 kcmil H,I,K 550 kcmil G,H,I 535 DLO 300 1/2 1.63 1.45 0.27 3.41 1.25 Pink L99 644 Series 444 Series 81K Series (2) — U38XRT (2) 1-7/16 YA38LNTM20FX 20mm 1.63 1.45 0.27 3.84 1.25 YA40LENT12FX — 650 kcmil G 646 DLO — 1/2 1.35 1.42 0.30 3.43 1.35 Black 24 644 Series 444 Series 81K Series (2) 4PC Series (3) — U39RT (2) 1-5/16 YA44LNT38FX — 750 kcmil G,H, 777 DLO 500 3/8 1.50 1.65 0.33 3.79 1.50 Yellow L115 644 Series 444 Series 81K Series (2) — U44XRT (2) P44XRT (4) 1-5/8 YA44LNT12FX 1/2 1.62 1.65 0.33 3.98 1.50 Notes: All dimensions shown are for reference only. * Use PUADP1 adapter with U dies in 46 Series Crimp Tools ** P-RT die sets are for use in 46 Series ONLY, No adapter required ****Y1MRTC tool for use on 8 AWG - 1 AWG wire sizes ONLY ‡Due to the handle force requirements to crimp a connector, this die is not recommended for manual crimp tools The MMw conductor sizes listed are the recommendations for Class 5 conductor
Burndy Digital September 2025
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