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70mm2 19H
Description
Description
Standards
-
ProductIEC 60228
-
NationalENDESA E-MT-003
Use / Applications
medium hard bare copper conductors are employed in medium voltage overhead lines up to 30 kV (36 kV higher voltage) according to the scope defined in the technical specification ENDESA E-MT-003.
Copper conductors are used in areas with very heavy pollution or strong saline pollution.
Construction: Bare conductor with concentric stranded wire class 2 formed by medium hard copper wires.
Ampacities of bare copper conductors
Current carrying capacity in open air at 40°C ambient temperature and the conductor at 80°C. Source: RIC N°4 Table 4.3.
Characteristics
Characteristics
Construction characteristics
Construction characteristics
Conductor flexibility
Class 2
Conductor material
Medium-Hard Copper
Conductor shape
Circular
Number of conductors
1
Dimensional characteristics
Dimensional characteristics
Conductor cross-section
70 mm²
Conductor stranding
2
Number of round wires
19
Outer Diameter
10.6 mm
Approximate weight
624 kg/km
Conductor diameter
10.6 mm
Electrical characteristics
Electrical characteristics
Max. DC resistance of the conductor at 20°C
0.276 Ohm/km
Perm current rating in air 40°C
330 A
Mechanical characteristics
Mechanical characteristics
Maximum admissible traction load (Tm)
2661 daN
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