Ⅰ、Standard
GB12706-91 or IEC60502（1988）
Ⅱ、Application
The products fit for power conveyance or distribution wires
under AC voltage（U0/U）0.6/1KV or below
Ⅲ、Character
a)
highest work temperature of 70℃，tolerable highest temperature during short circuit of 160 160℃
b)
environment
temperature over 0℃，bending radius over 10 times the diameter
of the cable
Annotation：power cables
with temperature toleration level of 90℃ and 120℃
are available.
Ⅳ、
Types
and Names
Types
in form 1
Form 1
Type |
Name |
VV VLV |
PVC insulated sleeve power cable |
VV22 VLV22 |
PVC insulated steel band armor and PVC sleeve power cable |
Ⅴ、
Size
Sizes
as form 2
Form 2
Type |
quantity of cores |
section mm2 |
VV |
1 |
1.5~400 |
VLV |
2.5~400 |
VV22 |
10~400 |
VLV22 |
10~400 |
VV |
2 |
1.5~185 |
VLV |
2.5~185 |
VV22 |
4~185 |
VLV22 |
4~185 |
VV |
3 |
1.5~240 |
VLV |
2.5~240 |
VV22 |
4~240 |
VLV22 |
4~240 |
VV |
3 |
1.5~240 |
VLV |
1.5~240 |
VV22 |
1.5~240 |
VLV22 |
2.5~240 |
VV |
3+1 |
2.5~240 |
VLV |
3+2 |
VV22 |
4+1 |
VLV22 |
5 |
3+1、3+2、4+1 cores cable's neutral core section
as form 3
Form 3
section |
main core |
neutral core |
4 |
2.5 |
6 |
4 |
10 |
6 |
16 |
10 |
25 |
16 |
35 |
16 |
50 |
25 |
70 |
35 |
95 |
50 |
120 |
70 |
150 |
70 |
185 |
95 |
240 |
120 |
Annotation：other types such as VV32, VLV32, VV33, VLV33 are
available
Ⅵ、
Structure
Sketch
1、conductor 2、insulator 3、band 4、sleeve 5、armor
Ⅶ、
Technical Characteristcs
1、circular cores and multi-core cable, section below 35mm2 of circle shape，over 50mm2 of sector or semicircular shape.（3+1）cores cable's neutral core of circle or ellipse，（3+2）cores and（4+1）cores cable's neutral core and protection core respectively
of circle, sector and circle. Quantity of cores
as form 4.
Form 4
section（mm2） |
minimum number of cores |
circular cores |
ellipse |
sector |
copper |
aluminum |
copper |
aluminum |
1.5 |
1 |
- |
- |
- |
- |
2.5 |
1 |
- |
- |
- |
- |
4 |
1 |
- |
- |
- |
- |
6 |
1 |
- |
- |
- |
- |
10 |
7 |
- |
- |
- |
- |
16 |
7 |
- |
- |
- |
- |
25 |
7 |
- |
- |
- |
- |
35 |
7 |
6 |
6 |
6 |
6 |
50 |
19 |
6 |
6 |
6 |
6 |
70 |
19 |
12 |
12 |
12 |
12 |
95 |
19 |
15 |
15 |
15 |
15 |
120 |
37 |
18 |
18 |
18 |
15 |
150 |
37 |
18 |
18 |
18 |
15 |
185 |
37 |
30 |
30 |
30 |
30 |
240 |
61 |
34 |
34 |
34 |
30 |
300 |
61 |
34 |
- |
- |
- |
400 |
61 |
34 |
- |
- |
- |
2、Insulating core's structure and conductor's DC resistance
in 20℃ as Form 5
Form 5
section mm2 |
insulator thickness mm |
minimum
DC conductor resistance in 20℃ Ω/km |
copper core |
aluminum core |
1.5 |
0.8 |
12.0 |
- |
2.5 |
0.8 |
7.41 |
12.1 |
4 |
1.0 |
4.61 |
7.41 |
6 |
1.0 |
3.08 |
4.61 |
10 |
1.0 |
1.83 |
3.08 |
16 |
1.0 |
1.15 |
1.91 |
25 |
1.2 |
0.727 |
1.20 |
35 |
1.2 |
0.524 |
0.868 |
50 |
1.4 |
0.387 |
0.641 |
70 |
1.4 |
0.268 |
0.443 |
95 |
1.6 |
0.193 |
0.320 |
120 |
1.6 |
0.153 |
0.253 |
150 |
1.8 |
0.124 |
0.206 |
185 |
2.0 |
0.0991 |
0.164 |
240 |
2.2 |
0.0754 |
0.125 |
300 |
2.4 |
0.0601 |
0.100 |
400 |
2.6 |
0.0470 |
0.0778 |
3、
Cable's reference diameter and weight as Form 6。
Form 6
core number×section mm2 |
unarmored cable |
armored cable |
diameter mm |
reference
weight kg/km |
diameter mm |
reference
weight kg/km |
VV |
VLV |
VV22 |
VLV22 |
single core |
1×1.5 |
6.6 |
62.4 |
- |
- |
- |
- |
1×2.5 |
7.0 |
76.0 |
60.0 |
- |
- |
- |
1×4 |
7.9 |
101.3 |
76.7 |
- |
- |
- |
1×6 |
8.4 |
125.7 |
88.6 |
- |
- |
- |
1×10 |
9.7 |
179.0 |
116.3 |
9.7 |
435.3 |
372.5 |
1×16 |
10.7 |
245.2 |
145.6 |
10.7 |
477.3 |
377.7 |
1×25 |
12.4 |
357.3 |
199.5 |
12.4 |
544.3 |
386.6 |
1×35 |
13.6 |
460.4 |
241.7 |
15.6 |
637.5 |
418.8 |
1×50 |
15.5 |
620.8 |
313.4 |
17.4 |
821.4 |
514.0 |
1×70 |
17.1 |
820.3 |
390.6 |
19.1 |
1104.4 |
674.7 |
1×95 |
19.3 |
1089.3 |
502.9 |
21.3 |
1409.0 |
822.5 |
1×120 |
20.9 |
1349.1 |
599.5 |
22.9 |
1702.9 |
953.4 |
1×150 |
22.9 |
1641.2 |
719.1 |
24.9 |
2018.3 |
1096.3 |
1×185 |
25.1 |
2019.4 |
871.0 |
27.1 |
2445.4 |
1297.1 |
1×240 |
28.4 |
2653.4 |
1122.1 |
30.4 |
3340.5 |
1809.6 |
2-core |
2×1.5 |
10.6 |
132.6 |
- |
- |
- |
- |
2×2.5 |
11.4 |
163.6 |
132.4 |
- |
- |
- |
2×4 |
13.6 |
223.6 |
173.8 |
15.7 |
370.7 |
320.9 |
2×6 |
14.1 |
278.7 |
203.7 |
16.7 |
437.5 |
362.5 |
2×10 |
16.7 |
390.5 |
263.5 |
19.3 |
579.1 |
452.1 |
2×16 |
18.9 |
535.8 |
334.4 |
21.9 |
815.0 |
613.5 |
2×25 |
22.3 |
781.9 |
463.9 |
25.3 |
1112.3 |
794.8 |
2×35 |
25.2 |
1034.5 |
593.6 |
27.6 |
1371.7 |
930.8 |
2×50 |
22.7 |
1231.5 |
611.5 |
25.1 |
1534.0 |
914.0 |
2×70 |
25.1 |
1632.1 |
764.2 |
27.5 |
1967.8 |
1099.8 |
2×95 |
28.8 |
2175.9 |
997.9 |
32.2 |
2775.8 |
1597.8 |
2×120 |
31.2 |
2679.2 |
1191.8 |
34.6 |
3327.1 |
1839.7 |
2×150 |
34.7 |
1467.6 |
1467.6 |
38.2 |
4049.5 |
2190.3 |
3-core |
3×1.5 |
11.0 |
156.3 |
- |
- |
- |
- |
3×2.5 |
11.9 |
197.8 |
151.0 |
- |
- |
- |
3×4 |
13.7 |
276.0 |
201.3 |
16.3 |
429.6 |
354.9 |
3×6 |
14.8 |
429.6 |
238.1 |
17.3 |
517.0 |
404.5 |
3×10 |
17.5 |
510.5 |
408.5 |
20.5 |
767.1 |
576.6 |
3×16 |
19.8 |
710.7 |
576.6 |
22.8 |
1003.8 |
701.7 |
3×25 |
23.6 |
1053.4 |
738.0 |
26.6 |
1402.7 |
935.8 |
3×35 |
26.6 |
1399.3 |
840.0 |
29.2 |
1760.7 |
1107.6 |
3×50 |
25.4 |
1769.4 |
1055.8 |
28.0 |
2121.4 |
1191.4 |
3×70 |
27.7 |
2357.8 |
1404.0 |
31.3 |
2951.2 |
1649.8 |
3×95 |
32.1 |
3171.3 |
1685.5 |
35.4 |
3839.8 |
2072.5 |
3×120 |
35.1 |
3916.6 |
2077.7 |
38.5 |
4645.0 |
2413.9 |
3×150 |
38.9 |
4866.5 |
2527.4 |
42.3 |
5673.6 |
2884.7 |
3×185 |
42.9 |
5967.6 |
|
46.5 |
6877.5 |
3438.4 |
3×240 |
48.4 |
7672.7 |
3210.6 |
51.8 |
8674.3 |
4212.1 |
3+1 cores |
3 ×4+1×2.5 |
14.3 |
307.6 |
217.2 |
16.9 |
468.2 |
327.9 |
3 ×6+1×4 |
15.7 |
404.6 |
267.2 |
18.3 |
581.6 |
444.3 |
3 ×10+1×6 |
18.4 |
585.7 |
357.7 |
21.4 |
857.5 |
629.5 |
3 ×16+1×10 |
21.0 |
834.8 |
469.8 |
24.1 |
1146.5 |
781.6 |
3 ×25+1×16 |
24.9 |
1231.4 |
655.4 |
28.1 |
1612.4 |
1036.4 |
3 ×35+1×16 |
26.9 |
1569.2 |
808.7 |
30.9 |
2078.0 |
1317.5 |
3 ×50+1×25 |
28.7 |
2086.7 |
998.8 |
32.7 |
2703.1 |
1615.1 |
3 ×70+1×35 |
31.7 |
2789.3 |
1268.3 |
35.7 |
3467.4 |
1946.3 |
3 ×95+1×50 |
37.3 |
3768.4 |
1694.4 |
41.3 |
4561.0 |
2486.9 |
3 ×120+1×70 |
39.9 |
4686.1 |
2024.8 |
44.1 |
5553.2 |
2891.9 |
3 ×150+1×70 |
44.6 |
5667.8 |
2448.7 |
48.6 |
6609.7 |
3390.6 |
3 ×185+1×95 |
50.3 |
7078.8 |
3052.1 |
53.7 |
8121.4 |
4049.7 |
4-core |
4×4 |
14.4 |
321 |
224 |
17.6 |
555 |
459 |
4×6 |
15.7 |
415 |
279 |
18.9 |
668 |
536 |
4 ×10 |
17.6 |
598 |
344 |
21.8 |
928 |
672 |
4×16 |
20.8 |
893 |
497 |
24.0 |
1218 |
823 |
4×25 |
23.8 |
1287 |
666 |
27.0 |
1661 |
1040 |
4×35 |
26.2 |
1695 |
826 |
29.5 |
2108 |
1238 |
4×50 |
30.6 |
2348 |
1106 |
34.1 |
3061 |
1820 |
4×70 |
34.5 |
3213 |
1475 |
38.5 |
4016 |
2277 |
4×95 |
39.6 |
4273 |
1914 |
43.6 |
5196 |
2873 |
4×120 |
42.5 |
5248 |
2268 |
46.5 |
6240 |
3259 |
4×150 |
47.5 |
6544 |
2819 |
52.1 |
7708 |
3983 |
3+2 cores |
3 ×4+2×2.5 |
15.5 |
355 |
245 |
18.5 |
501 |
394 |
3 ×6+2×4 |
17.5 |
480 |
288 |
20.0 |
640 |
427 |
3 ×10+2×6 |
19.0 |
665 |
386 |
22.0 |
853 |
568 |
3 ×16+2×10 |
23.0 |
999 |
569 |
26.0 |
1210 |
779 |
3 ×25+2×16 |
27.0 |
1540 |
826 |
30.0 |
2139 |
1427 |
3 ×35+2×16 |
28.0 |
1775 |
871 |
32.0 |
2341 |
1438 |
3 ×50+2×25 |
32.5 |
2290 |
1098 |
37.0 |
2948 |
1755 |
3 ×70+2×35 |
36.0 |
3131 |
1425 |
40.0 |
3862 |
2154 |
3 ×95+2×50 |
41.0 |
4250 |
1912 |
45.0 |
5080 |
2733 |
3 ×120+2×70 |
45.0 |
5430 |
2360 |
49.0 |
6435 |
3260 |
3 ×150+2×70 |
48.0 |
6300 |
2720 |
52.0 |
7233 |
3646 |
3 ×185+2×95 |
53.0 |
8052 |
3432 |
57.0 |
9109 |
4507 |
3 ×240+2×120 |
58.0 |
10340 |
4335 |
62.0 |
11502 |
5510 |
3 ×300+2×120 |
64.0 |
12801 |
5381 |
68.0 |
14052 |
6591 |
4+1 cores |
4×4+1×2.5 |
16.0 |
363 |
245 |
19.0 |
570 |
462 |
4×6+1×4 |
17.0 |
484 |
290 |
20.0 |
698 |
529 |
4×10+1×6 |
19.0 |
701 |
408 |
22.5 |
910 |
650 |
4 ×16+1×10 |
23.5 |
1049 |
588 |
26.5 |
1355 |
890 |
4×25+1×16 |
28.0 |
1688 |
875 |
32.0 |
2364 |
1580 |
4×35+1×16 |
31.0 |
2191 |
971 |
35.0 |
2726 |
1912 |
4 ×50+1×25 |
32.5 |
2490 |
1166 |
36.0 |
3173 |
1958 |
4 ×70+1×35 |
36.0 |
3440 |
1427 |
40.0 |
4187 |
2278 |
4 ×95+1×50 |
41.5 |
4695 |
2060 |
46.0 |
5520 |
2908 |
4 ×120+1×70 |
45.0 |
5900 |
2501 |
49.0 |
6900 |
3478 |
4×150+1×70 |
49.0 |
7079 |
3065 |
53.0 |
8063 |
3986 |
4 ×185+1×95 |
54.0 |
8922 |
3781 |
59.0 |
9849 |
4962 |
4 ×240+1×120 |
61.0 |
11550 |
4695 |
64.0 |
12712 |
6010 |
4 ×300+1×150 |
67 |
14322 |
5988 |
71.0 |
15772 |
7303 |
5-core |
5×4 |
16.0 |
370 |
246 |
19.0 |
593 |
468 |
5×6 |
17.0 |
490 |
292 |
20.5 |
730 |
535 |
5×10 |
19.0 |
736 |
420 |
23.0 |
992 |
676 |
5×16 |
24.0 |
1103 |
598 |
27.0 |
1499 |
909 |
5×25 |
29.0 |
1768 |
921 |
34.0 |
2533 |
1684 |
5×35 |
33.0 |
2326 |
1160 |
37.0 |
3164 |
1980 |
5×50 |
33.0 |
2700 |
1235 |
37.0 |
3378 |
2027 |
5×70 |
36.0 |
3752 |
1430 |
40.0 |
4520 |
2402 |
5×95 |
42.0 |
5141 |
2205 |
46.0 |
6028 |
3083 |
5×120 |
45.0 |
6370 |
2632 |
49.0 |
7310 |
3596 |
5×150 |
50.0 |
7876 |
3305 |
54.0 |
8901 |
4342 |
5×185 |
55.0 |
9812 |
4081 |
60.0 |
10982 |
5261 |
5×240 |
63.0 |
12760 |
5232 |
66.0 |
14052 |
6513 |
5×300 |
69.0 |
15842 |
6451 |
73.0 |
17280 |
7898 |
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