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Australian Standard (Medium Voltage)

3.8/6.6kV Three Core Individual Screened & PVC Sheathed (Cu Conductor)

Application

3.8/6.6kV Three Core Individual Screened & PVC Sheathed (Cu Conductor) cables are designed to be used for the supply of electrical energy in fixed applications up to the rated voltages at a nominal power frequency between 49Hz and 61Hz.,3.8/6.6kV Three Core Individual Screened & PVC Sheathed (Cu Conductor) cables are suitable for use in distribution installation, electrical power station , they are applied for installation, outdoors, underground where subject to mechanical damage.

Standard

AS/NZS 1429.1

Cable Construction

CONDUCTOR: Plain circular compacted copper to AS/NZS1125 Maximum Continuous Operating Temperature: 90°C

CONDUCTOR SCREEN: Extruded semi-conducting compound, bonded to the insulation and applied in the same operation as the insulation

INSULATION: Cross Linked Polyethylene (XLPE) – standard Ethylene Propylene Rubber (EPR) – alternative

INSULATION SCREEN: Extruded semi-conducting compound

METALLIC SCREEN: Plain annealed copper wire: 3kA for nominal 1 second(LIGHT DUTY) Plain annealed copper ire: 10kA for nominal 1 second(HEAVY DUTY)

SHEATH: Black 5V-90 polyvinyl chloride (PVC) – standard

Orange 5V-90 PVC inner plus black high density polyethylene (HDPE) outer – alternative Low smoke zero halogen (LSOH) – alternative

Technical Characteristics

LIGHT DUTY

Nominal conductor area Maximum Conductor DC resistance at 20°C Cond. AC resistance at 50Hz and 90°C Inductive reactance at 50Hz Insulation resistance at 20°C Conductor to screen capacitance Maximum diaelectric stress Current Ratings
Unen
closed
In Air
Unenclosed In Air Unenclosed In Air
mm2 Ohm/km Ohm/km Ohm/km MegOhm.km µF x km kV x mm A A A
16 1.15 1.47 0.134 11000 0.221 2.06 100 115 95
25 0.727 0.927 0.127 9700 0.248 1.99 129 147 122
35 0.524 0.668 0.12 8700 0.276 1.93 156 176 150
50 0.387 0.494 0.115 7800 0.308 1.87 193 213 176
70 0.268 0.342 0.109 6900 0.352 1.82 238 247 225
95 0.193 0.247 0.101 6000 0.404 1.77 284 304 253
120 0.153 0.196 0.0969 5400 0.447 1.74 329 345 289
150 0.124 0.16 0.0942 5000 0.486 1.72 375 392 325
185 0.0991 0.128 0.0917 4600 0.53 1.69 426 436 373
240 0.0754 0.0986 0.089 4200 0.576 1.61 497 501 422
300 0.0601 0.0798 0.0879 4000 0.597 1.49 567 567 479

Cable Parameter

LIGHT DUTY

Sectional Area of Conductor Nom. Conductor Diameter Nom. Insulation Thickness Nom. Diamete Over insulation Screen Area on Each core No. and Diamter of Screened Wires Nom. Diamete Over Screened Wires Nom. Overall Diameter Approx. mass
mm2 mm mm mm mm2 no x mm mm mm kg/100m
16 4.8 2.5 11 5.7 9 x 0.85 12.4 34.6 120
25 5.8 2.5 12 6.2   13.6 37.3 154
35 6.8 2.5 13 6.8   14.5 39.5 190
50 8 2.5 14.1 6.8   15.6 42.1 231
70 9.6 2.5 15.7 7.9   17.3 45.9 302
95 11.5 2.5 17.6 8.5   18.9 49.6 387
120 13.1 2.5 19.2 9.1   20.5 53.2 467
150 14.5 2.5 20.6 9.6   21.9 56.4 554
185 16.1 2.5 22.2 10.2   23.5 60.1 669
240 18.5 2.6 24.9 10.8   26.1 66.2 859
300 20.7 2.8 27.6 11.9   29.0 72.7 1059

Technical Characteristics

HEAVY DUTY

Nominal conductor area Maximum Conductor DC resistance at 20°C Cond. AC resistance at 50Hz and 90°C Inductive reactance at 50Hz Insulation resistance at 20°C Conductor to screen capacitance Maximum diaelectric stress Current Ratings
Unenclosed In Air Unenclosed In Air Unenclosed In Air
mm Ohm/km Ohm/km Ohm/km MegOhm.km µF x km kV x mm A A A
16 1.15 1.47 0.134 11000 0.221 2.06 100 115 95
25 0.727 0.927 0.127 9700 0.248 1.99 129 147 120
35 0.524 0.668 0.12 8700 0.276 1.93 156 176 147
50 0.387 0.494 0.115 7800 0.308 1.87 193 213 176
70 0.268 0.342 0.109 6900 0.352 1.82 238 247 225
95 0.193 0.247 0.101 6000 0.404 1.77 284 304 253
120 0.153 0.196 0.0969 5400 0.447 1.74 329 345 289
150 0.124 0.16 0.0942 5000 0.486 1.72 375 392 325
185 0.0991 0.128 0.0917 4600 0.53 1.69 426 436 373
240 0.0754 0.0986 0.089 4200 0.576 1.61 497 501 430
300 0.0601 0.0798 0.0879 4000 0.597 1.49 567 567 488
400 0.047 0.064 0.0852 3800 0.627 1.38      

Cable Parameter

HEAVY DUTY

Sectional Area of Conductor Nom. Conductor Diameter Nom. Insulation Thickness Nom. Diamete Over insulation Screen Area on Each core No. and Diamter of Screened Wires Nom. Diamete Over Screened Wires Nom. Overall Diameter Approx. mass
mm2 mm mm mm mm2 no x mm mm mm kg/100m
16 4.8 2.5 11 5.7 10 x 0.85 14.3 35.6 130
25 5.8 2.5 12 8.5 15 x 0.85 15.3 37.9 170
35 6.8 2.5 13 11.3 20 x 0.85 16.3 40.3 215
50 8 2.5 14.1 16.5 29 x 0.85 17.4 43 275
70 9.6 2.5 15.7 22.7 40 x 0.85 19 46.7 360
95 11.5 2.5 17.6 22.7 40 x 0.85 20.9 51.1 455
120 13.1 2.5 19.2 22.7 40 x 0.85 22.5 54.8 545
150 14.5 2.5 20.6 22.7 40 x 0.85 23.9 58.2 630
185 16.1 2.5 22.2 22.7 40 x 0.85 25.5 61.8 735
240 18.5 2.6 24.9 22.7 40 x 0.85 28.2 67.9 930
300 20.7 2.8 27.6 22.7 40 x 0.85 30.9 74.3 1130
400 23.6 3 30.9 22.7 40 x 0.85 34.2 81.8 1440