HS285® Ultra-High Strength ACSS TW Conductor
HS285 is the most popular high temperature low sag (HTLS) conductor in use today because of its versatility and strength. The multipurpose conductor is up to 21 percent stronger than standard ACSS, reducing sag while allowing for additional line capacity. Developed at Southwire’s D.B. Cofer Technology Center, HS285 has been proven in the field for capacity up to 95 percent higher than ACSR, lowering reconductoring costs. HS285 can be strung tighter to operate with more clearance at higher temperatures. It also allows for easy installation using existing rights of way, structures and methods.
| Conductor | ||||||
| No. of Conductors | Size (AWG or kcmil) | No. of Strands | Nom. OD (mils) (mm) | Nominal Total Weight (lbs/1000') (kgs/km) | Allowable Ampacity | |
| 662879 | 1 1 | 477 KCMIL 477 KCMIL | 0 0 | 820 20.83 | 746 1111 | |
| 619645 | 1 1 | 565.3 KCMIL 565.3 KCMIL | 0 0 | 860 21.84 | 776 1154 | |
| 663085 | 1 1 | 666.6 KCMIL 666.6 KCMIL | 0 0 | 913 23.19 | 856 1274 | |
| 614382 | 1 1 | 768.2 KCMIL 768.2 KCMIL | 0 0 | 977 24.82 | 987 1469 | |
| 613870 | 1 1 | 795 KCMIL 795 KCMIL | 20 20 | 1010 25.65 | 1091 1624 | |
| 616068 | 1 1 | 900 KCMIL 900 KCMIL | 0 0 | 1055 26.80 | 1185 1763 | |
| 613431 | 1 1 | 954 KCMIL 954 KCMIL | 20 20 | 1080 27.43 | 1226 1824 | |
| 614691 | 1 1 | 959.6 KCMIL 959.6 KCMIL | 0 0 | 1110 28.20 | 1317 1959 | |
| 614201 | 1 1 | 1113 KCMIL 1113 KCMIL | 0 0 | 1278 32.46 | 890 1325 | |
| 619995 | 1 1 | 1192.5 KCMIL 1192.5 KCMIL | 0 0 | 1225 31.12 | 1531 2278 | |
| 613868 | 1 1 | 1233.6 KCMIL 1233.6 KCMIL | 38 38 | 1245 31.62 | 1583 2357 | |
| 616610 | 1 1 | 1351.5 KCMIL 1351.5 KCMIL | 42 42 | 1300 33.02 | 1732 2577 | |
| 662837 | 1 1 | 1590 KCMIL 1590 KCMIL | 0 0 | 1410 35.81 | 2038 3033 | |
| 661919 | 1 1 | 2627.3 KCMIL 2627.3 KCMIL | 0 0 | 1760 44.71 | 3062 4557 | |
| 619103 | 1 1 | 636 null 636 null | 0 0 | 909 23.09 | 873 1299 | |
| 604522 | 1 1 | null null null null | 0 0 | 790 20.07 | 655 975 | |
ACSS is a composite concentric-lay-stranded conductor. Steel strands form the central core of the conductor with one or more layers of 63% minimum average conductivity aluminum 1350-0 wire stranded around it. The steel core carries most or all of the mechanical load of the conductor due to the “0” (fully annealed or soft) temper aluminum. Ultra high-strength steel core wires are protected from corrosion by Galfan® , zinc-5% aluminum-mischmetal alloy coating.