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
• Pure Copper
• Flexible to Wind and Vibration
• Durable and Reliable Support
• Mechanically Rugged
• High Tensile Strength and Breaking Load
• RoHS/Proposition 65 Compliant
Specifications:
Table 1 – Weights and Measurements
| Cond. Size | Strand Count | Strand Class | Cond. Cmil | Approx. OD | Approx. Weight | DC Resistance @ 25°C | Rated Strength |
|---|---|---|---|---|---|---|---|
| AWG/kcmil | No. of Strands | cmil | inch | lb/1000ft | Ω/1000ft | lb | |
| 8 | 7 | B | 16510 | 0.146 | 51 | 0.663 | 610 |
| 6 | 7 | B | 26240 | 0.184 | 81 | 0.417 | 959 |
| 4 | 7 | A B | 41740 | 0.232 | 129 | 0.262 | 1505 |
| 3 | 7 | A B | 52620 | 0.260 | 163 | 0.208 | 1885 |
| 2 | 7 | A B | 66360 | 0.292 | 205 | 0.165 | 2360 |
| 1 | 7 | A | 83690 | 0.328 | 258 | 0.131 | 2955 |
| 1/0 | 7 | A AA | 105600 | 0.368 | 326 | 0.104 | 3705 |
| 1/0 | 19 | B | 105600 | 0.373 | 326 | 0.104 | 3705 |
| 2/0 | 7 | A AA | 133100 | 0.414 | 411 | 0.082 | 4640 |
| 2/0 | 19 | B | 133100 | 0.418 | 411 | 0.082 | 4765 |
| 3/0 | 7 | A AA | 167800 | 0.464 | 518 | 0.065 | 5812 |
| 4/0 | 7 | A AA | 211600 | 0.522 | 653 | 0.052 | 7278 |
| 4/0 | 19 | B | 211600 | 0.528 | 653 | 0.052 | 7479 |
| 250 | 19 | A | 250000 | 0.574 | 772 | 0.044 | 8836 |
| 250 | 37 | B | 250000 | 0.575 | 772 | 0.044 | 8952 |
| 300 | 19 | A | 300000 | 0.628 | 926 | 0.037 | 10530 |
| 350 | 19 | A | 350000 | 0.679 | 1081 | 0.031 | 12200 |
| 500 | 19 | A | 500000 | 0.814 | 1544 | 0.022 | 17550 |
| 500 | 37 | B | 500000 | 0.814 | 1544 | 0.022 | 17550 |
| 600 | 37 | A AA | 600000 | 0.891 | 1853 | 0.018 | 21060 |
| 750 | 61 | A B | 750000 | 0.998 | 2316 | 0.015 | 26510 |
| 1000 | 61 | A B | 1000000 | 1.152 | 3088 | 0.011 | 35100 |
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
