CA 250 KCM 7F SNEEZEWORT

Description

Description

Standards

  • Product
    ABNT NBR 7271/88; ASTM B 231

APPLICATIONS

It is an homogeneous conductor stranded with Aluminium 1350, Class AA for bare conductors used in overhead lines.

 

APPLICATIONS

AAC is usually as bare cable for primary and secondary distribution lines with short spans where high mechanical strength is not required. However due to be an Aluminium homogeneous conductor, the Ampacity is very well optimized.

Construction

AAC is concentrically stranded conductor with one or more layers of Aluminium wire hard-drawn 1350-H19. The number of wires depends basically on the electrical requirements that will define the size. 

 

Conditions for Ampacity calculation

Conductor temperature = 75 °C;

Room temperature = 25 °C;

Wind speed = 1 m/sec, sunny.

Characteristics

Characteristics

Construction characteristics

Construction characteristics

Type of cable
Sneezewort
Conductor material
Aluminum
Conductor flexibility
Class AA
Conductor shape
Circular non compacted

Dimensional characteristics

Dimensional characteristics

Conductor cross-section
126.67 mm²
Number of aluminium wires
7
Diameter of aluminium wires
4.8 mm
Conductor diameter
14.4 mm
Approximate weight
349.2 kg/km
Average geometric radius
0.00523 m
Nominal outer diameter
14.4 mm
Number of cores
1
Number of round wires
7

Electrical characteristics

Electrical characteristics

Max. DC resistance of the conductor at 20°C
0.2276 Ohm/km
Max. electric resisrance AC 60Hz 75°C
0.278 Ohm/km
Inductive reactance
0.3962 Ohm/km
Capacitive reactance
0.2355 MOhm.km
Ampacity
430.0 A

Mechanical characteristics

Mechanical characteristics

Hardness type
1350-H19
Rated breaking load
2045.5 kgf

Usage characteristics

Usage characteristics

Length
1390 m
Packaging
Reel 100/60

Resources

Resources

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