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
    Cond. SizeStrand CountStrand ClassCond. CmilApprox. ODApprox. WeightDC Resistance @ 25°CRated Strength
    AWG/kcmilNo. of Strandscmilinchlb/1000ftΩ/1000ftlb
    87B165100.146510.663610
    67B262400.184810.417959
    47A B417400.2321290.2621505
    37A B526200.2601630.2081885
    27A B663600.2922050.1652360
    17A836900.3282580.1312955
    1/07A AA1056000.3683260.1043705
    1/019B1056000.3733260.1043705
    2/07A AA1331000.4144110.0824640
    2/019B1331000.4184110.0824765
    3/07A AA1678000.4645180.0655812
    4/07A AA2116000.5226530.0527278
    4/019B2116000.5286530.0527479
    25019A2500000.5747720.0448836
    25037B2500000.5757720.0448952
    30019A3000000.6289260.03710530
    35019A3500000.67910810.03112200
    50019A5000000.81415440.02217550
    50037B5000000.81415440.02217550
    60037A AA6000000.89118530.01821060
    75061A B7500000.99823160.01526510
    100061A B10000001.15230880.01135100
    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.

    Revision: 1.000.000

    Updated On: Aug. 18, 2023, 2:40 p.m. UTC