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SOFT COPPER 240 mm2
Description
Description
Application
For grounding systems, directly buried, equipment protection and general purpose applications.
STANDARDS
PRODUCT
ASTM B3; ASTM B8; NTP 370.251
CONSTRUCTION
Conductor: Soft copper, class 2.
MAIN CHARACTERISTICS
High corrosion resistance.
CROSS SECTION
From 6 mm2 up to 300 mm2.
PACKING
Non returnable wooden reels.
PRODUCT STANDARDS
NTP 370.251: Copper cables for overhead (bare or protected) and grounded.
Calculation of Current Condition Soft Copper
CALCULATION OF CURRENT CONDITION
Maximum conductor temperature : 75°C.
Ambient air temperature : 30°C.
Characteristics
Characteristics
Construction characteristics
Construction characteristics
Conductor material
Soft copper
Dimensional characteristics
Dimensional characteristics
Conductor cross-section
240 mm²
Total number of wires
61
Wire diameter
2.24 mm
Conductor diameter
20.1 mm
Approximate weight
2176 kg/km
Electrical characteristics
Electrical characteristics
Max. DC resistance of the conductor at 20°C
0.074 Ohm/km
Perm current rating in air 30°C
760 A
Mechanical characteristics
Mechanical characteristics
Elongation
10 %
Usage characteristics
Usage characteristics
Midspan
Yes
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