P4 or P4/P11 RFOU/TFOU 8.7/15KV

Applications

These cables are flame retardant, low smoke, halogen free and mud resistant, used for fixed installation for medium voltage power.

Standards

  • IEC 60092-353
  • IEC 60092-351
  • IEC 60092-359
  • IEC 60332-1
  • IEC 60332-3-22
  • IEC 60754-1,2
  • IEC 61034-1,2
  • NEK 606:2004

Construction

P4 or P4/P11 RFOU/TFOU 8.7/15KV P4 or P4/P11 RFOU/TFOU 8.7/15KV

 

Conductors Circular tinned annealed stranded copper to IEC 60228 class 2.
Conductor Screen Semi conducting material.
Insulation Halogen-free EPR. XLPE can be offered as an option (for TFOU cable).
Insulation Screen Semi conducting material and tinned copper wire braid.
Bedding Halogen free compound.
Armour Tinned copper wire braid.
Outer Sheath Halogen free thermosetting compound, SHF2 (for TYPE P4), or halogen free mud resistant thermosetting compound, SHF MUD (for TYPE P4/P11), coloured red.

Electrical Characteristics

Nominal Cross Section Area mm^2 25 35 50 70 95 120
Nominal Conductor Diameter mm 6.5 7.4 8.7 10.3 12.2 13.8
Maximum DC Resistant@20℃ Ω/km 0.734 0.529 0.391 0.27 0.195 0.154
Continuous Current Rating@45℃1 Core A 127 157 196 242 293 339
Continuous Current Rating@45℃3 Core A 89 110 137 169 205 237
Short Circuit Current 1s A 3580 5010 7150 10020 13590 17170
Operating Voltage KV 8.7/15 8.7/15 8.7/15 8.7/15 8.7/15 8.7/15

 

Nominal Cross Section Area mm^2 150 185 240 300 400 500 630
Nominal Conductor Diameter mm 15.1 17.0 19.6 21.9 24.5 27.5 32.3
Maximum DC Resistant@20℃ Ω/km 0.126 0.1 0.0762 0.0607 0.0475 0.0369 0.0286
Continuous Current Rating@45℃1 Core A 389 444 522 601 690 780 890
Continuous Current Rating@45℃3 Core A 272 311 365 421 483 546 623
Short Circuit Current 1s A 21460 26470 34340 42930 57230 71540 90140
Operating Voltage KV 8.7/15 8.7/15 8.7/15 8.7/15 8.7/15 8.7/15 8.7/15

Ambient Temperature Correction Factors

Ambient Temperature Correction Factors 35 40 45 50 55 60 65 70 75 80
Rating Factor 1.1 1.05 1.0 0.94 0.88 0.82 0.74 0.67 0.58 0.47

Mechanical and Thermal Properties

Bending Radius 15×OD (during installation)
  9×OD (fixed installed)
Temperature Range -20℃ ~ +90℃

Dimensions and Weight

Construction No. of cores×Cross section(mm^2) Nominal Insulation Thickness (mm) Nominal Sheath Thickness (mm) Nominal Overall Diameter (mm) Nominal Weight (kg/km)
Inner Outer
1×25 4.5 1.6 1.2 28.4 1305
1×35 4.5 1.6 1.3 29.3 1430
1×50 4.5 1.7 1.3 30.7 1620
1×70 4.5 1.8 1.3 32.4 1900
1×95 4.5 1.8 1.4 34.4 2250
1×120 4.5 1.9 1.5 36.6 2625
1×150 4.5 2.0 1.5 38.1 2940
1×185 4.5 2.0 1.5 40.6 3545
1×240 4.5 2.1 1.6 43.4 4220
1×300 4.5 2.2 1.7 46.3 5070
1×400 4.5 2.4 1.8 50.2 5760
1×500 4.5 2.5 1.8 53.6 6880
1×630 4.5 2.6 1.9 57.9 8460
3×25 4.5 2.6 1.9 55.3 4725
3×35 4.5 2.7 2.0 57.5 5215
3×50 4.5 2.8 2.0 60.6 5960
3×70 4.5 2.9 2.1 64.4 7035
3×95 4.5 3.1 2.2 68.7 8370
3×120 4.5 3.2 2.3 72.7 9745
3×150 4.5 3.4 2.4 76.8 11140
3×185 4.5 3.6 2.6 84.2 13490
3×240 4.5 3.8 2.7 90.6 15860
3×300 4.5 4.0 2.9 96.6 18320
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