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- 266.8 kcmil ACSR PARTRIDGE Bare Overhead Transmission Conductor AL: 26/2.57 ST:
- Product Details
- Company Details
Product Specification
Product Overview
ACSR PARTRIDGE 266.8 kcmil is a widely‑used steel‑reinforced aluminum bare overhead conductor manufactured to ASTM B232 standard. It adopts a 26/7 stranding configuration: twenty‑six high‑conductivity 1350‑H19 aluminum wires concentrically stranded over seven‑wire hot‑dip galvanized steel core. This composite structure combines excellent electrical conductivity of aluminum with high tensile strength of galvanized steel, delivering high ampacity, low‑sag performance and great mechanical stability. PARTRIDGE 266.8 kcmil is suitable for medium‑to‑heavy‑load overhead transmission and distribution lines, ideal for long‑span utility projects, grid expansion and overhead main circuits across diverse climate zones worldwide.
Construction & Material Features
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Stranding Structure: 26 aluminum strands +7 steel‑core strands (26/7), compact concentric lay stranding, uniform round profile and balanced mechanical performance.
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Aluminum Wires: 1350‑H19 hard‑drawn high‑purity aluminum, 61% IACS conductivity, low resistivity for efficient power transmission.
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Steel Core: Class‑A hot‑dip galvanized steel wires, superior anti‑corrosion and high tensile strength to bear overhead tension and reduce line sag.
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Surface Condition: Bare conductor without insulation, suitable for open‑air overhead installation, compatible with standard overhead hardware fittings.
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Design Advantage: Multi‑strand steel‑core provides great mechanical load capacity, supports long‑span tower‑to‑tower installation and cuts overall infrastructure investment.
3. Complete Technical Specifications
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Technical Item
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Parameter Data
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Commercial Code Name
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PARTRIDGE
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Nominal Size
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266.8 kcmil
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Stranding (Aluminum / Steel)
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26 / 7
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Single‑wire Diameter (Al / Steel)
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2.57 mm / 2.00 mm
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Overall Conductor Outer Diameter
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16.28 mm (0.641 inch)
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Aluminum Cross‑section Area
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134.9 mm²
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Steel Cross‑section Area
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21.9 mm²
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Total Cross‑section Area
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156.8 mm²
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Conductor Weight
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546 kg/km (367 lbs/1000ft)
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Rated Breaking Strength
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50.28 kN (11300 lbs)
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Max DC Resistance @20℃
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≤0.217 Ω/km
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Approximate Ampacity (@75℃)
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475 A
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Max Continuous Operating Temperature
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75℃
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Short‑time Emergency Temperature
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100℃
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Applicable Standards
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ASTM B232, ASTM B230, ASTM B498
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Why choose us
- Certified to ISO 9001:2015, ISO 14001:2015 and OHSAS 18001:2007
- Registered capital of $30 million and factory covers an area of 60,000㎡
- Advanced test equipment and procedures, 100% inspection before factory
- Enough stocks and the higest efficient shipping time guarranteed
- Professional pre-sales and after-sales services provided
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
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Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
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Total Annual:
30000000-35000000
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Employee Number:
300~349
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Ecer Certification：
Verified Supplier
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