SPEC 48303

CU HARD DRAWN OVERHEAD CATENARY SYSTEMS MESSENGER WIRE

Messenger Wire for Transit Systems

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Construction:

This product can be made in variations of Hard Drawn or Medium-Hard Drawn Copper with concentric or unilay stranding options. Tinned coated copper and Proof PositiveTM anti-theft conductors are also available upon request.

Applications and Features:

For use in Trolley and High Speed Rail applications as supports for contact and dropper wires in overhead catenary systems. Southwire’s messenger wire is designed for long service life with the ability to maintain rugged strength through sustained performance.

• Pure Copper
• Flexible to Wind and Vibration
• Durable and Reliable Support
• Mechanically Rugged
• High Tensile Strength and Breaking Load
• RoHS/Proposition 65 Compliant

Specifications:

  • ASTM B1 Hard-Drawn Copper
  • ASTM B8 Concentric-Lay-Stranded Copper Conductors
  • ASTM B33 Standard Specification for Tin-Coated Soft or Annealed Copper Wire
  • ASTM B787 19 Wire Combination Unilay-Stranded Copper Conductors
  • Table 1 – Weights and Measurements
    Stock NumberCond. SizeStrand CountStrand ClassCond. NumberApprox. ODApprox. WeightDC Resistance @ 20°CRated Strength
    AWG/KcmilNo. of StrandsNo.inchlb/1000ftΩ/1000ftlb
    TBA87B10.146510.6663777
    TBA67B10.184810.41911228
    TBA47A B10.2321290.26361938
    TBA37A B10.261630.2092433
    TBA27A B10.2922050.1663050
    TBA17A10.3282580.13163801
    TBA1/07A AA10.3683260.10424752
    TBA1/019B10.3733260.10424752
    TBA2/07A AA10.4144110.08275926
    TBA2/019B10.4184110.08276690
    TBA3/07A AA10.4645180.06567366
    TBA4/07A AA10.5226530.0529154
    TBA4/019B10.5286530.0529617
    TBA25019A10.5747720.04411360
    TBA25037B10.5757720.04411600
    TBA30019A10.6289260.036713510
    TBA35019A10.67910810.031415590
    59342150019A10.81415440.02222510
    58874450037B10.81415440.02222510
    TBA60037A AA10.89118530.018327020
    58882975061A B10.99823160.014734090
    TBA100061A B11.15230880.01145030

    All dimensions are nominal and subject to normal manufacturing tolerances

    ◊ Cable marked with this symbol is a standard stock item

    Notes:

    +Ampacity based on 75°C conductor temperature 25°C ambient temperature 2 ft./sec. wind in sun. Numbers shown above are for concentrically stranded constructions and may vary slightly for combination unilay stranded constructions. Di- mensions and weights shown above are nominal and subject to industry tolerances.