3.8/6.6kV Single Core Screened & PVC Sheathed (Al Conductor)

Application

These 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., they 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

3.8/6.6kV Single Core Screened & PVC Sheathed (Al Conductor)
Conductor Plain circular compacted aluminium 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 wire: 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 and 90°C Insulation resistance at 20°C Conductor to screen capacitance Maximum diaelectric stress Current Ratings
Trefoil or Flat touching flat spaced Trefoil touching flat touching flat spaced Unenclosed In Air Buried Direct Buried In Ducts (c)
mm^2 Ohm/km Ohm/km Ohm/km Ohm/km Ohm/km Ohm/km MegOhm.km uF x km kV x mm A A A
35 0.868 1.11 1.11 0.138 0.154 0.199 8700 0.278 1.92 131 139 132
50 0.641 0.821 0.821 0.135 0.15 0.196 7800 0.309 1.87 160 167 159
70 0.443 0.568 0.568 0.125 0.14 0.185 6800 0.353 1.82 196 201 192
95 0.32 0.41 0.41 0.118 0.134 0.179 6000 0.4 1.77 237 245 227
120 0.253 0.325 0.325 0.114 0.129 0.175 5500 0.439 1.74 273 270 256
150 0.206 0.265 0.264 0.111 0.126 0.171 5100 0.477 1.72 313 305 289
185 0.164 0.211 0.211 0.108 0.123 0.169 4700 0.518 1.7 356 340 320
240 0.125 0.161 0.161 0.104 0.119 0.165 4300 0.561 1.62 421 394 372
300 0.1 0.13 0.129 0.102 0.118 0.163 4100 0.582 1.5 486 444 419
400 0.0778 0.102 0.101 0.0989 0.114 0.16 3900 0.613 1.39 578 516 491

Heavy Duty

Nominal Conductor Area Maximum Conductor DC resistance at 20°C Cond. AC resistance at 50Hz and 90°C Inductive reactance at 50Hz and 90°C Insulation resistance at 20°C Conductor to screen capacitance Maximum diaelectric stress Current Ratings
Trefoil or Flat touching flat spaced Trefoil touching flat touching flat spaced Unenclosed In Air Buried Direct Buried In Ducts (c)
mm^2 Ohm/km Ohm/km Ohm/km Ohm/km Ohm/km Ohm/km MegOhm.km uF x km kV x mm A A A
35 0.868 1.11 1.11 0.138 0.154 0.199 8700 0.278 1.92 131 138 132
50 0.641 0.821 0.821 0.135 0.15 0.196 7800 0.309 1.87 160 167 158
70 0.443 0.568 0.568 0.125 0.14 0.185 6800 0.353 1.82 197 201 192
95 0.32 0.41 0.41 0.118 0.134 0.179 6000 0.4 1.77 240 245 218
120 0.253 0.325 0.325 0.114 0.129 0.175 5500 0.439 1.74 275 268 246
150 0.206 0.265 0.264 0.111 0.126 0.171 5100 0.477 1.72 314 302 273
185 0.164 0.211 0.211 0.108 0.123 0.169 4700 0.518 1.7 356 336 299
240 0.125 0.161 0.161 0.104 0.119 0.165 4300 0.561 1.62 419 386 342
300 0.1 0.13 0.129 0.102 0.118 0.163 4100 0.582 1.5 480 434 380
400 0.0778 0.102 0.101 0.0989 0.114 0.16 3900 0.613 1.39 566 501 432

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
mm^2 mm mm mm mm^2 no x mm mm mm kg/100m
35 6.9 2.5 13 17.6   14.5 20.0 54
50 8.1 2.5 14.2 17.6   15.6 21.1 60
70 9.6 2.5 15.8 17.6   17.3 22.8 69
95 11.4 2.5 17.5 17.6   19.1 24.6 80
120 12.8 2.5 18.9 17.6   20.5 26.0 89
150 14.2 2.5 20.3 17.6   21.9 27.4 99
185 15.7 2.5 21.8 17.6   23.5 29.2 114
240 18 2.6 24.3 17.6   26.1 31.8 135
300 20.1 2.8 27 17.6   29.0 34.9 160
400 23 3 30.3 17.6   32.1 38.2 200

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
mm^2 mm mm mm mm^2 no x mm mm mm kg/100m
35 6.9 2.5 13 22.7 40 x 0.85 16.3 20.4 60
50 8.1 2.5 14.2 32.9 23 x 1.35 18.5 22.6 76
70 9.6 2.5 15.8 45.8 32 x 1.35 20.1 24.2 97
95 11.4 2.5 17.5 61.5 43 x 1.35 21.8 25.9 120
120 12.8 2.5 18.9 68.7 48 x 1.35 23.2 27.3 140
150 14.2 2.5 20.3 68.7 48 x 1.35 24.6 28.7 150
185 15.7 2.5 21.8 68.7 48 x 1.35 26.1 30.4 160
240 18 2.6 24.3 68.7 48 x 1.35 28.6 33.1 185
300 20.1 2.8 27 68.7 48 x 1.35 31.3 36 210
400 23 3 30.3 68.7 48 x 1.35 34.6 39.5 245
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