ACSS

Aluminum Conductor, Steel Supported. Bare.

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Application

ACSS is used for overhead distribution and transmission lines. It is designed to operate continuously at elevated temperatures up to 250°C without loss of strength; it sags less than a comparable ACSR under electrical loadings; it is self-damping if prestretched during installation; and its final sags are not affected by long term creep of aluminum. The advantages make ACSS especially useful in reconductoring applications requiring increased current with existing tensions and clearances, new line applications where structures can be economized because of reduced conductor sag, new line applications requiring high emergency loadings, and lines where Aeolian vibration is a problem.

Specifications

Select a set of products below for more information:
Codeword Size (AWG or kcmil) (mm2) No. of Strands Nom. OD (mils) (mm) Nominal Total Weight (lbs/1000') (kgs/km)
687947
LINNET LINNET
336.4 KCMIL 336.4 KCMIL
26 26
720 18.29
462 688
478248
IBIS IBIS
397.5 KCMIL 397.5 KCMIL
26 26
782 19.88
546 813
614771
HEN HEN
477 KCMIL 477 KCMIL
30 30
882 22.42
746 1111
611930
DOVE DOVE
556.5 KCMIL 556.5 KCMIL
26 26
926 23.54
765 1139
662053
SQUAB SQUAB
605 KCMIL 605 KCMIL
26 26
965 24.53
831 1237
506022
GROSBEAK GROSBEAK
636 KCMIL 636 KCMIL
26 26
990 25.16
874 1301
613183
FLAMINGO FLAMINGO
666.6 KCMIL 666.6 KCMIL
24 24
1000 25.40
858 1277
612172
CONDOR CONDOR
795 KCMIL 795 KCMIL
54 54
1091 27.73
1022 1521
610361
CARDINAL CARDINAL
954 KCMIL 954 KCMIL
54 54
1196 30.38
1227 1826
606708
ORTOLAN ORTOLAN
1033.5 KCMIL 1033.5 KCMIL
45 45
1212 30.78
1163 1730
612094
BLUEJAY BLUEJAY
1113 KCMIL 1113 KCMIL
45 45
1258 31.97
1254 1865
611266
BUNTING BUNTING
1192.5 KCMIL 1192.5 KCMIL
45 45
1302 33.08
1342 1998
611205
PHEASANT PHEASANT
1272 KCMIL 1272 KCMIL
54 54
1381 35.09
1634 2431
678698
MARTIN MARTIN
1351.5 KCMIL 1351.5 KCMIL
54 54
1423 36.16
1735 2582
611439
LAPWING LAPWING
1590 KCMIL 1590 KCMIL
45 45
1503 38.20
1790 2664
602207
BLUEBIRD BLUEBIRD
2156 KCMIL 2156 KCMIL
84 84
1762 44.76
2508 3732

Standards & References

Southwire's ACSS/TW conductor meets or exceeds the following ASTM specifications:

  • B500 Metallic Coated Stranded Steel Core for Aluminum Conductors, Steel Reinforced.
  • B609 Aluminum 1350 Round Wire, Annealed and Intermediate Tempers, for Electrical Purposes
  • B802 Zinc-5% Aluminum-Mischmetal Alloy-Coated Steel Core Wire for Aluminum Conductors, Steel Reinforced.
  • B803 High-Strength Zinc-5% Aluminum-Mischmetal Alloy-Coated Steel Core Wire for Aluminum and Aluminum-Alloy Conductors, Steel Reinforced.
  • B857 Shaped Wire Compact Concentric-Lay-Stranded Aluminum Conductors, Coated-Steel Supported (ACSS/TW).

Construction

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. Steel core wires are protected from corrosion by Galfan® , zinc-5% aluminum-mischmetal alloy coating. High strength steel core, aluminized, and aluminum clad steel core is also available.