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ACSR Aluminum Conductor Steel Reinforced


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Code Word Description
Lapwing 1590 ACSR 45/7 LAPWING BARE AL
 

Conductor

Size (AWG or kemit) Stranding ACSR (Al/Stl)
1590.0 MCM 45/7
 
Diameter (inches)
Individual Wires Steel Core Complete
Cable OD
Alum Steel
.1880 .1253 .3759 1.504
 
Weight (lbs/1000ft) Content %
Alum Steel Total Alum Steel
1498 292.2 1793 83.69 16.31
 
Rated Breaking Strength (lbs) Resistance
(OHMS/1000ft )
Current Rating
(Amps)
42,200 .0108 DC@20°C
.0139 AC@75°C
1354
 
Standard Packages
Length (feet) Weight (lbs) Reel Size
9,000
6,000
3,000
16,125
10,750
5,375
RMT 96.60
RMT 90.45
RM 68.38
 
Applications
Used as bare overhead transmission cable and as primary and secondary distribution cable. ACSR offers optimal strength for line design. Variable steel core stranding enables desired strength to be achieved without sacrificing ampacity.
 
Construction
Aluminum alloy 1350-H-19 wires, concentrically stranded about a steel core. Core wire for ACSR is available with class A, B or C galvanizing; "aluminized" aluminum coated (AZ); or aluminum-clad (AW). Additional corrosion protection is available through the application of grease to the corer or infusion of the complete cable with grease.
 

Specifications
ACSR bare conductor meets or exceeds the following ASTM specifications:

B-230  Aluminum Wire, 1350-H19 for Electrical Purposes
B-231  Aluminum Conductors, Concentric-Lay-Stranded
B-232  Aluminum Conductors, Concentric-Lay-Stranded, Coated Steel Reinforced (ACSR)
B-341  Aluminum-Coated Steel Core Wire for aluminum Conductors, Steel Reinforced (ACSR/AZ)
 B-498  Zinc-Coated Steel Core Wire for Aluminum Conductors, Steel Reinforced (ACSR/AZ)
B-500  Zinc Coated and Aluminum Coated Stranded Steel Core for Aluminum Conductors, Steel Reinforced (ACSR)
 

1. Resistance is calculated using ASTM standard increments of stranding, and metal conductivity of 61.2% IACS for EC (1350), and 8% IACS for steel. AC (60Hz) resistance includes current dependent hysteresis loss factor for 1 and 3 layer construction.

2. Current ratings are based on 75°C conductor temperature, 25°C ambient, 2ft/s wind, 96/watts/sq. foot sun, .05 coefficients of emissivity and absorption.

To determine correct ampacity by conductor size, please consult the National Electric Code, latest edition.

The above data are approximate and subject to normal manufacturing tolerances.


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