SPEC 48304

CU MEDIUM-HARD DRAWN OVERHEAD CATENARY SYSTEMS MESSENGER WIRE

Messenger Wire for Transit Systems

...

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 ClassStrand CountCond. CmilApprox. ODApprox. WeightDC Resistance @ 25°CRated Strength
    AWG/kcmilNo. of Strandscmilinchlb/1000ftΩ/1000ftlb
    8B7165100.146510.663610
    6B7262400.184810.417959
    4A B7417400.2321290.2621505
    3A B7526200.2601630.2081885
    2A B7663600.2922050.1652360
    1A7836900.3282580.1312955
    1/0A AA71056000.3683260.1043705
    1/0B191056000.3733260.1043705
    2/0A AA71331000.4144110.0824640
    2/0B191331000.4184110.0824765
    3/0A AA71678000.4645180.0655812
    4/0A AA72116000.5226530.0527278
    4/0B192116000.5286530.0527479
    250A192500000.5747720.0448836
    250B372500000.5757720.0448952
    300A193000000.6289260.03710530
    350A193500000.67910810.03112200
    500A195000000.81415440.02217550
    500B375000000.81415440.02217550
    600A AA376000000.89118530.01821060
    750A B617500000.99823160.01526510
    1000A B6110000001.15230880.01135100
    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: July 3, 2024, 10:13 p.m. UTC