SPEC 48304

CU MEDIUM-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 B2 Medium-Hard Drawn Copper Wire
  • 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
    TBA87B10.146510.6629610
    TBA67B10.184810.4169959
    TBA47A B10.2321290.26221505
    TBA37A B10.261630.20791885
    TBA27A B10.2922050.1652360
    TBA17A10.3282580.13092955
    TBA1/07A AA10.3683260.10373705
    TBA1/019B10.3733260.10373705
    TBA2/07A AA10.4144110.08224640
    TBA2/019B10.4184110.08224765
    TBA3/07A AA10.4645180.06525812
    TBA4/07A AA10.5226530.05177278
    TBA4/019B10.5286530.05177479
    TBA25019A10.5747720.04388836
    TBA25037B10.5757720.04388952
    TBA30019A10.6289260.036510530
    TBA35019A10.67910810.031312200
    TBA50019A10.81415440.021917550
    TBA50037B10.81415440.021917550
    TBA60037A AA10.89118530.018321060
    TBA75061A B10.99823160.014626510
    TBA100061A B11.15230880.010935100

    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.