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Fire-retarding power cable
Application
The cables are designed for fixed installation 
of power transmission nd distribution equipments and 
power equipments where fire retardation is requested with rated voltage 0.6/1KV and below.

Manufacturing standards
ASTM ICEA BS DIN IEC GB AS/NZS etc.

Operating features
● AC Rated voltage Uo/U 0.6/1KV.
● Testing flame temperature: Categoty A is 950℃-1000℃
Categoty B is 750℃-800℃
● Permissive continuous conductor working temperature of PVC, PE insulated cable is not more than 70℃ , permissive
● continuous conductor working temperature XLPE is not more than 90℃ .
● The lowest ambient temperature of cable installation is 0℃
Min.bending radius of cable installation is:
Non-armoured cable   10D mm;
Armoured cable       12D mm.
In the formula: D-actual overall diameter of cable, mm.

Descriptive method of cable and sketches of product construction



Note: Y, YJ and V mean PE, XLPE and PVC respectively. We can manufacture category A or B cable upon requests.



1. Construction of insulated core


2. Diagram of cable contruction


1 Insulated core
2 Flame resistance PVC filler
3 Lapping layer
4 Outer sheath (Outer sheath without armouring is flame resistance PVC sheath,outer sheath with armouring include flame resistance PVC inner layer,steel tape armour and flame resistance PVC sheath)
5 Flame resistance PP tape filler

Type and description
TYPE Description Application
NHA(B)-VV Copper core PVC insulated and sheathed
fire-retarding power cable
For fixed installation laying indoors,
 in trenches and ducts.
NHA(B)-VV22 Copper core PVC insulated and sheathed
fire retarding power cable with steel tape armour
For fixed installation laying indoors, 
in trenches and ducts where heavier 
mechanical force is withstood
NHA(B)-YJV Copper core XLPE insulated and PVC sheathed
fire-retarding power cable
For fixed installation laying indoors, 
in trenches and ducts.
NHA(B)-YJV22 Copper core XLPE insulated and PVC sheathed
fire-retarding power cable with steel armour
For fixed installation laying indoors, 
in trenches and ducts where heavier 
mechanical force is withstood
NHA(B)-YV Copper core PE insulated and PVC sheathed
fire-retarding power cable
For fixed installation laying indoors, 
in trenches and ducts.
NHA(B)-YV22 Copper core PE insulated and PVC sheathed
fire-retarding power cable with steel tape armour
For fixed installation laying indoors, 
in trenches and ducts where heavier 
mechanical force is withstood

Specification of cable
Type  Core number  Nom. Cross section
mm2
NHA(B)-VV 
NHA(B)-VV22
NHA(B)-YJV
NHA(B)-YJV22 
NHA(B)-YV
NHA(B)-YV22 
2.5~300 
2、3  2.5~185 
3+1、4 、3+2 、5  4~185 

Contruction and main technical parameter
Nom. Cross-section of 
conductor 
mm2 
 Max.DC 
Resistance
 at 20℃ 
Ω/km 
Nom. Thickness of insulation 
mm
PVC insulation  PE insulation  XLPE insulation 
2.5  7.41  0.8  0.7  0.7 
4.61  1.0  0.7  0.7 
3.08  1.0  0.7  0.7 
10  1.83  1.0  0.7  0.7 
16  1.15  1.0  0.7  0.7 
25  0.727  1.2  0.9  0.9 
35  0.524  1.2  0.9  0.9 
50  0.387  1.4  1.0  1.0 
70  0.268  1.4  1.1  1.1 
95  0.193  1.6  1.1  1.1 
120  0.153  1.6  1.2  1.2 
150  0.124  1.8  1.4  1.4 
185  0.0991  2.0  1.6  1.6 
240  0.0754  2.2  1.7  1.7 
300  0.0601  2.4  1.8  1.8 

Nom.sheath thickness,approx. overall diameter and approx. weight
No. of 
cores 
×section
 area
mm2
NHA(B)-YJV NHA(B)-VV NHA(B)-VV22
Sheath 
thickness
mm
Approx.
 O.D.
mm
Approx. 
weight
kg/km
Sheath 
thickness
mm
Approx. 
O.D.
mm
Approx. 
weight
kg/km
Sheath
 thickness
mm
Approx. 
O.D.
mm
Approx. 
weight
kg/km
1 X2.5 1.4 7.1 72 1.4 7.3 79 - - -
1X4 1.4 7.5 89 1.4 8.2 105 - - -
1X6 1.4 8.1 114 1.4 8.8 131 - - -
1X10 1.4 9.5 162 1.4 10.2 184 - - -
1X16 1.4 10.5 226 1.4 11.2 250 - - -
1X25 1.4 12.1 325 1.4 12.7 355 - - -
1X35 1.4 13.0 423 1.4 13.8 457 - - -
1X50 1.4 14.8 568 1.4 15.7 612 - - -
1X70 1.5 16.8 776 1.5 17.4 820 - - -
1X95 1.5 18.5 1020 1.6 19.5 1093 - - -
1X120 1.6 20.0 1267 1.7 21.2 1343 - - -
1X150 1.7 22.8 1567 1.8 23.7 1655 - - -
1X185 1.7 24.9 1923 1.9 25.9 2035 - - -
1X240 1.8 27.9 2436 2.0 29.1 2579 - - -
1X300 1.9 30.5 3007 2.0 31.7 3168 - - -
2X2.5 1.8 12.7 188 1.8 13.1 202 1.8 16.3 368
2X4 1.8 13.5 233 1.8 14.9 271 1.8 18.1 459
2X6 1.8 14.7 291 1.8 16.1 333 1.8 19.3 536
2X10 1.8 17.5 416 1.8 18.9 468 1.8 22.1 705
2X16 1.8 19.5 563 1.8 20.9 621 1.8 24.1 882
2X25 1.8 22.7 805 1.8 24.1 877 1.8 27.3 1176
2X35 1.8 24.7 1031 1.8 26.1 1109 1.9 29.5 1446

No. of 
cores 
section 
area
mm
NHA(B)-YJV NHA(B)-VV NHA(B)-VV22
Sheath 
thickness
mm
Approx. 
O.D.
mm
Approx. 
weight
kg/km
Sheath 
thickness
mm
Approx. 
O.D.
mm
Approx. 
weight
kg/km
heath 
thickness
mm
Approx. 
O.D.
mm
Approx. 
weight
kg/km
2×50 1.9 28.5 1391 1.9 30.1 1495 2.1 34.9 2216
2×70 2.0 32.3 1868 2.0 33.5 1970 2.2 38.3 2767
2×95 2.1 35.7 2443 2.2 37.9 2617 2.3 42.7 3514
2×120 2.2 38.7 3051 2.3 40.9 3232 2.4 45.7 4196
2×150 2.4 44.3 3784 2.4 45.9 3967 2.6 51.1 5093
2×185 2.5 48.5 4644 2.6 50.3 4878 2.8 55.7 6124
2×240 2.7 54.5 5884 2.8 56.7 6186 - - -
3×2.5 1.8 13.4 227 1.8 13.8 246 1.8 17.0 421
3×4 1.8 14.2 285 1.8 15.7 335 1.8 18.9 533
3×6 1.8 15.5 365 1.8 17.0 420 1.8 20.2 634
3×10 1.8 18.5 528 1.8 20.0 597 1.8 23.2 847
3×16 1.8 20.7 734 1.8 22.2 811 1.8 25.4 1088
3×25 1.8 24.1 1059 1.8 25.7 1156 1.9 29.1 1488
3×35 1.8 26.3 1375 1.8 27.8 1485 2.0 32.6 2151
3×50 1.9 30.5 1864 2.0 32.4 2020 2.1 37.0 2775
3×70 2.1 34.8 2543 2.1 36.1 2683 2.3 40.9 3539
3×95 2.2 38.4 3345 2.3 40.8 3576 2.4 45.6 4539
3×120 2.3 41.6 4165 2.4 44.0 4403 2.5 49.0 5461
3×150 2.5 47.6 5187 2.6 49.6 5460 2.7 54.8 6673
3×185 2.6 52.1 6344 2.7 54.1 6660 2.9 59.7 8034
3×240 2.9 58.8 8070 2.9 60.9 8454 - - -
4×2.5 1.8 14.5 285 1.8 15.0 310 1.8 18.2 499
4×4 1.8 15.5 357 1.8 17.1 427 1.8 20.3 641
4×6 1.8 16.9 463 1.8 18.6 537 1.8 21.8 770
4×10 1.8 20.3 679 1.8 22.0 772 1.8 25.2 1046
4×16 1.8 22.7 949 1.8 24.4 1054 1.8 27.6 1631
4×25 1.8 26.6 1387 1.9 28.5 1530 2.0 33.1 2212
4×35 1.9 29.2 1825 1.9 30.9 1963 2.1 35.7 2717
4×50 2.0 33.6 2476 2.1 35.8 2675 2.3 40.6 3539
4×70 2.2 38.4 3383 2.2 39.8 3566 2.4 44.8 4562
4×95 2.3 42.5 4464 2.4 45.1 4761 2.6 50.3 5907
4×120 2.4 46.0 5511 2.5 48.6 5817 2.7 54.0 7075
4×150 2.7 52.9 6878 2.7 54.8 7210 2.9 60.4 8649
4×185 2.9 58.1 8480 2.9 60.1 8864 3.1 65.9 10467
4×240 3.1 65.3 10743 3.2 67.9 11242 - - -
3×4+1×2.5 1.8 15.2 324 1.8 16.8 383 1.8 20.0 594
3×6+1×4 1.8 16.6 424 1.8 18.2 493 1.8 21.4 721
3×10+1×6 1.8 19.9 617 1.8 21.5 693 1.8 24.7 960
3×16+1×10 1.8 22.0 858 1.8 23.6 951 1.8 26.8 1244
3×25+1×16 1.8 25.7 1241 1.8 27.3 1357 2.0 32.1 2015
3×35+1×16 1.9 28.2 1585 1.9 29.8 1711 2.1 34.6 2425
3×50+1×25 2.0 32.6 2173 2.1 34.6 2347 2.2 39.2 3146
3×70+1×35 2.1 36.9 2972 2.2 38.5 3125 2.4 43.5 4053
3×95+1×50 2.3 40.9 3920 2.4 43.4 4167 2.5 48.4 6391
3×120+1×70 2.4 44.0 4880 2.5 46.4 5161 2.6 51.4 6280
3×150+1×70 2.6 50.3 5979 2.6 52.1 6255 2.8 57.5 7555
3×185+1×95 2.7 55.0 7429 2.8 57.1 7803 3.0 62.7 9251
3×240+1×120 2.9 61.1 9359 3.0 63.6 9767 - - -
3×4+2×2.5 1.8 16.4 401 1.8 17.8 468 1.8 21.0 691
3×6+2×4 1.8 17.8 514 1.8 19.7 617 1.8 22.9 863
3×10+2×6 1.8 20.8 729 1.8 22.7 746 1.8 25.9 1129
3×16+2×10 1.8 23.9 1056 1.8 25.7 1191 1.9 29.1 1523
3×25+2×16 1.8 27.6 1529 1.9 29.7 1699 2.1 34.5 2411
3×35+2×16 1.9 29.6 1872 2.0 31.6 2045 2.1 36.2 2782
3×50+2×25 2.1 34.4 2595 2.1 36.5 2815 2.3 41.3 3671
3×70+2×35 2.2 39.3 3531 2.3 41.1 3755 2.4 45.9 4719
3×95+2×50 2.4 43.7 4678 2.4 46.2 4982 2.6 51.4 6134
3×120+2×70 2.5 48.0 5948 2.6 50.5 6278 2.8 55.9 7550
3×150+2×70 2.7 53.0 6966 2.7 55.0 7309 2.9 60.6 8706
3×185+2×95 2.8 58.2 8708 2.9 60.7 9148 3.0 66.5 10715
3×240+2×120 3.1 65.0 10979 3.2 67.9 11486 - - -

Fire-Retarding Power Cable
Continue Table

No. of 
cores 
section 
area
mm
NHA(B)-YJV NHA(B)-VV NHA(B)-VV22
      Sheath 
thickness
 mm
 
       Approx.
 O.D.
mm
 
Approx. 
weigh
kg/km
      Sheath 
thickness 
mm
 
      Approx. 
O.D 
mm
.
Approx.
 weight
kg/km
heath 
thickness
mm
Approx. 
O.D. 
mm
Approx. 
weight
kg/km
5×2.5 - - - - - - 1.8  19.6  562 
5×4 - - - - - - 1.8  22.1  729 
5×6 - - - - - - 1.8  23.7  882 
5×10 - - - - - - 1.8  27.5  1203 
5×16 - - - - - - 2.0  31.8  1865 
5×25 - - - - - - 2.1  36.3  2528 
5×35 - - - - - - 2.2  39.2  3111 
5×50 - - - - - - 2.4  44.6  4095 
5×70 - - - - - - 2.6  49.6  5284 
5×95 - - - - - - 2.8  55.6  6867 
5×120 - - - - - - 2.9  59.7  8257 
5×150 - - - - - - 3.1  66.8  10096 
5×185 - - - - - - 3.3  72.8  12243

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