P7 or P7/P14 BFOU 6/10kV
Applications
These cables are fire resistant, 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 60331-21
- 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 |
Mica tape + Halogen free EPR. |
| 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 P7), or halogen free mud resistant thermosetting compound, SHF MUD (for TYPE P7/P14), coloured red. |
Electrical Characteristics
| Nominal Cross Section Area |
mm^2 |
25 |
35 |
50 |
70 |
95 |
120 |
150 |
| Nominal Conductor Diameter |
mm |
6.5 |
7.4 |
8.7 |
10.3 |
12.2 |
13.8 |
15.1 |
| Maximum DC Resistant@20℃ |
Ω/km |
0.734 |
0.529 |
0.391 |
0.27 |
0.195 |
0.154 |
0.126 |
| Continuous Current Rating@45℃1 Core |
A |
127 |
157 |
196 |
242 |
293 |
339 |
389 |
| Continuous Current Rating@45℃3 Core |
A |
89 |
110 |
137 |
169 |
205 |
237 |
272 |
| Short Circuit Current 1s |
A |
3580 |
5010 |
7150 |
10020 |
13590 |
17170 |
21460 |
| Operating Voltage |
KV |
6/10 |
6/10 |
6/10 |
6/10 |
6/10 |
6/10 |
6/10 |
| Nominal Cross Section Area |
mm^2 |
185 |
240 |
300 |
400 |
500 |
630 |
| Nominal Conductor Diameter |
mm |
17.0 |
19.6 |
21.9 |
24.5 |
27.5 |
32.3 |
| Maximum DC Resistant@20℃ |
Ω/km |
0.1 |
0.0762 |
0.0607 |
0.0475 |
0.0369 |
0.0286 |
| Continuous Current Rating@45℃1 Core |
A |
444 |
522 |
601 |
690 |
780 |
890 |
| Continuous Current Rating@45℃3 Core |
A |
311 |
365 |
421 |
483 |
546 |
623 |
| Short Circuit Current 1s |
A |
26470 |
34340 |
42930 |
57230 |
71540 |
90140 |
| Operating Voltage |
KV |
6/10 |
6/10 |
6/10 |
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 |
| 1×16 |
3.4 |
1.5 |
1.2 |
25.6 |
990 |
| 1×25 |
3.4 |
1.6 |
1.2 |
27.1 |
1150 |
| 1×35 |
3.4 |
1.7 |
1.2 |
28.5 |
1320 |
| 1×50 |
3.4 |
1.7 |
1.3 |
29.9 |
1500 |
| 1×70 |
3.4 |
1.8 |
1.3 |
31.9 |
1810 |
| 1×95 |
3.4 |
1.8 |
1.4 |
34.0 |
2160 |
| 1×120 |
3.4 |
1.9 |
1.4 |
36.1 |
2610 |
| 1×150 |
3.4 |
2.0 |
1.5 |
38.1 |
2990 |
| 1×185 |
3.4 |
2.0 |
1.5 |
39.9 |
3440 |
| 1×240 |
3.4 |
2.2 |
1.6 |
43.1 |
4180 |
| 1×300 |
3.4 |
2.3 |
1.7 |
45.9 |
4930 |
| 1×400 |
3.4 |
2.4 |
1.7 |
49.0 |
5900 |
| 1×500 |
3.4 |
2.5 |
1.8 |
52.5 |
7070 |
| 1×630 |
3.4 |
2.7 |
1.9 |
57.0 |
8690 |
| 3×16 |
3.4 |
2.4 |
1.8 |
50.2 |
3780 |
| 3×25 |
3.4 |
2.5 |
1.8 |
53.2 |
4380 |
| 3×35 |
3.4 |
2.6 |
1.9 |
56.4 |
5040 |
| 3×50 |
3.4 |
2.7 |
2.0 |
59.3 |
5740 |
| 3×70 |
3.4 |
2.9 |
2.1 |
63.7 |
6900 |
| 3×95 |
3.4 |
3.1 |
2.2 |
68.4 |
8270 |
| 3×120 |
3.4 |
3.2 |
2.3 |
72.1 |
9470 |
| 3×150 |
3.4 |
3.3 |
2.4 |
76.0 |
10800 |
| 3×185 |
3.4 |
3.5 |
2.5 |
80.8 |
12370 |
| 3×240 |
3.4 |
3.7 |
2.7 |
88.2 |
15040 |
| 3×300 |
3.4 |
3.9 |
2.9 |
94.0 |
17450 |
