P19 or P19/P21 RFOU 12/20KV

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

P19 or P19/P21 RFOU 12/20KV P19 or P19/P21 RFOU 12/20KV
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 P19)
or halogen free mud resistant thermosetting compound, SHF MUD (for TYPE P19/P21), coloured red.

Electrical Characteristics

Nominal Cross Section Area mm^2 16 25 35 50 70 95
Nominal Conductor Diameter mm 5.2 6.5 7.4 8.7 10.3 12.2
Maximum DC Resistant@20℃ Ω/km 1.16 0.734 0.529 0.391 0.27 0.195
Continuous Current Rating@45℃1 Core A 96 127 157 196 242 293
Continuous Current Rating@45℃3 Core A 67 89 110 137 169 205
Short Circuit Current 1s A 2290 3580 5010 7150 10020 13590
Operating Voltage KV 12/20 12/20 12/20 12/20 12/20 12/20
Nominal Cross Section Area mm^2 120 150 185 240 300
Nominal Conductor Diameter mm 13.8 15.1 17.0 19.6 21.9
Maximum DC Resistant@20℃ Ω/km 0.154 0.126 0.1 0.0762 0.0607
Continuous Current Rating@45℃1 Core A 339 389 444 522 601
Continuous Current Rating@45℃3 Core A 237 272 311 365 421
Short Circuit Current 1s A 17170 21460 26470 34340 42930
Operating Voltage KV 12/20 12/20 12/20 12/20 12/20

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
1×16 5.5 1.0 1.6 28 1200
1×25 5.5 1.0 1.7 31.6 1530
1×35 5.5 1.2 1.8 32.3 1595
1×50 5.5 1.2 2.0 33.8 1795
1×70 5.5 1.2 2.1 34.6 2070
1×95 5.5 1.2 2.1 37.0 2470
1×120 5.5 1.3 2.1 38.8 2810
1×150 5.5 1.3 2.2 40.7 3245
1×185 5.5 1.4 2.2 42.9 3765
1×240 5.5 1.4 2.4 45.8 4510
1×300 5.5 1.4 2.6 48.5 5315
3×16 5.5 1.4 2.6 55.5 4950
3×25 5.5 1.4 2.7 62.2 5705
3×35 5.5 1.4 2.8 62.6 5990
3×50 5.5 1.8 3.0 65.4 6740
3×70 5.5 1.8 3.1 69.1 7790
3×95 5.5 2.0 3.3 73.0 9150
3×120 5.5 2.0 3.4 77.4 10580
3×150 5.5 2.0 3.5 81.9 12145
3×185 5.5 2.0 3.7 89.5 12265
3×240 5.5 2.2 3.9 96.1 14725
3×300 5.5 2.2 4.0 101.9 17190