3x3/0+2x2+1x6_5kV

Description

Description

Standards

  • Product
    ICEA S-75-381

Applications
Extra-heavy-duty trailing cable designed for used in mining machines, dredges, sholves, and similar mobile equipment, also suitable to be used with stationary equipment or medium voltage distribution in mines where higher flexibility is desired.

 

Construction: Multiconductor with three individually shielded power conductors, two grounding conductors, and one ground-check conductor.

1. Conductor: Very flexible stranded copper conductors. 

2. Conductor shield: Conducting stress control material.

3. Insulation: Ethylene Propylene Rubber (EPR).

4. Insulation shield: Conducting material. 

5. Metallic shield: Composite tinned copper/fiber braid.

6. Grounding conductors: Two flexible stranded bare copper conductors.

7. Ground-check conductor: one highly flexible conductor, insulated with EPDM with excellent insulation resistance properties and highly reinforced thanks to the incorporation of aramid yarns in the conductor..

8. Reinforcement: Fabric tape and double synthetic servings applied over the cores asembly.

9. Jacket: Extra-heavy-duty crosslinked Chlorinated Polyethylene (CPE). Colour upon request.

 

Marking: NEXANS CHILE POWERMINE SHD-GC-CP "size" "voltage" "date" 

 

Alternative with thermoplastic polyurethane jacket (TPU):  POWERMINE® SHD-GC-EU

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CURRENT CARRYNG CAPACITY FOR MINE TRAILING CABLES

The recommended ampacities are based on an ambiet temperature of 40°C (104°F) in air according to ICEA S-75-381, Annex H. Correction factors for ampacities at various ambient temperatures are as follows:

 

 

 

CURRENT CARRYNG CAPACITY FOR MINE TRAILING CABLES

NOTES

When the cables are used with one or more layers wound on a reel, the ampacities shal be corrected according to the amount of layers and reel type. For further details, see the technical guide: "Ampacity derating factors for mine trailing cables coiled on reels".

Values not defined as "maximum", "max.", "minimum" or "min." are not normative requirements in the standard and they are indicative only.

Characteristics

Characteristics

Construction characteristics

Construction characteristics

Conductor material
Copper
Insulation
EPR
Outer sheath
Chlorinated Polyethyene (CPE)

Dimensional characteristics

Dimensional characteristics

Conductor cross-section
85 mm²
Conductor cross-section (AWG/KCMIL)
3/0
Conductor cross-section
- kcmil
Total number of wires
620
Nominal diameter of wires
0.4 mm
Phase Conductor Diameter
11.5 mm
Ground Conductor cross-section (AWG)
2
Ground Check Conductor cross-section (AWG)
6
Average insulation thickness
2.79 mm
Average sheath thickness
6.0 mm
Outer Diameter
60 mm
Approximate weight
5600 kg/km

Electrical characteristics

Electrical characteristics

Rated voltage Ur
5 kV
Max. DC resistance of the conductor at 20°C
0.228 Ohm/km
A.C. Conductor resist. 50Hz and at 90 °C
0.294 Ohm/km
Inductive reactance at 50Hz
0.088 Ohm/km
Perm current rating in air 40°C
279 A
Permissible short circuit current
38.2 kA

Mechanical characteristics

Mechanical characteristics

Abrasion resistance
Good
Cable flexibility
Excellent
Mechanical resistance to impacts
Excellent
Tear resistance
Good

Usage characteristics

Usage characteristics

Max. conductor temperature in service
90 °C
Overload maximum core temperature
130 °C
Short-circuit max. conductor temperature
250 °C
Minimum bending radius under free flexing
360 mm
Flame retardant
IEC 60332-1
Oil resistance
ICEA S-75-381 (121°C/18h)
Weather resistance
Excellent

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