Cobre blando 70 mm2

Description

Description

Application:

The soft copper conductor is used in grounding systems, equipment protection and general applications, while the hard copper conductor is used in overhead transmission lines and overhead transmission networks where a higher breaking load is required.

Construction:

Conductor: Copper, soft or hard.

Type conductor:

Copper cables in mm2 Class 2 or copper cables in AWG Class B.

Main characteristics:

High corrosion resistance.

Cross section:

From 50 mm2 up to 120 mm2.

2/0 AWG y 4/0 AWG.

Marking:

INDECO S.A. BARE COPPER WIRE - Section or Gauge - MADE IN PERU (- sequential length M. || sequential length M. + ).

Packing:

Non returnable wooden reels.

National standards

NTP 370.251: Copper cables for overhead (bare or protected) and grounded.

ASTM B 1: Hard-drawn copper wire.

ASTM B 3: Soft or annealed copper wire.

ASTM B 8: Concentric-Lay-Stranded copper conductors with hard, medium-hard, and soft copper.

Calculation of Current Condition Copper Cable

CALCULATION OF CURRENT CONDITION
Maximum conductor temperature : 75°C.
Ambient air temperature : 30°C.

 

 

Characteristics

Characteristics

Construction characteristics

Construction characteristics

Conductor material
Soft copper
Conductor shape
Circular
Type of conductor
Class 2

Dimensional characteristics

Dimensional characteristics

Conductor cross-section
70 mm²
Total number of wires
19
Wire diameter
2.13 mm
Conductor diameter
10.7 mm
Approximate weight
614 kg/km
Conductor cross-section (AWG/KCMIL)

Electrical characteristics

Electrical characteristics

Max. DC resistance of the conductor at 20°C
0.263 Ohm/km
Perm current rating in air 30°C
348 A

Mechanical characteristics

Mechanical characteristics

Elongation
10 %
Minimum Tensile Strength Conductor
- kN

Usage characteristics

Usage characteristics

Midspan
No
Reference
02

Resources

Resources

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