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 :

  • 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 mm² 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 mm² 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
(mm²)
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