(N)TSCGEWÖU

Submersible cable, 8.7/15kV or 12/20kV

Application

For flexible power supply cables permanently immersed in salinity and brackish water up to 300 meters under high mechanical stress. Suitable for applications such as pumps, dredgers and floating docks. It is suitable for towing operations of surface mining equipment. Suitable for indoor and outdoor applications.

Features

  • Depth 300 m
  • Complies with IEC/EN 60332-1-2, VDE 0250HD22.16, EC, EN 60228

Construction

Conductor

Tin-coated copper conductor, class 5 standard

Thermal insulation/insulation

1. Rubber compound (rubber compound) 2. Rubber compound (rubber compound)

Semiconductor layer

Semi-conductive tape covering the conductor and inner and outer semi-conductive rubber layers on the insulation layer

Ground conductor

Single strand copper wire braid

Padding

Rubber compound

Inner sheath

EPR rubber composite waterproofing material

Outer sheath

CM rubber composite waterproofing material

Sheath color

Black (RAL 9005)

Technical data

Operating voltage

8.7/15kV 、12/20kV

Test cable

24 KV 、29 KV

Temperature range

Fixed installation: -40°C to +80°C;

Flexible installation: -25°C to +60°C;

Underwater fixed installation: +40°C

Bending radius

Fixed installation: 6.0XD

Flexible application: 10.0XD

Flame retardant

IEC/EN 60332-1-2

Water resistant

Immersion depth 300 m -, resistant to seawater (tested in 40g/l salt water AD8)

Environmentally friendly

European Union RoHS Regulation, CE: Directive 2002/72/CE

Dimensions

No. Voltage
kV
Number of cores
(Phase wire + ground wire)
Nominal cross-sectional area mm² Conductor diameter
mm
Finished product diameter range
mm
Tensile load
N
Finished product weight
kg/km
Phase conductor Ground conductor
A7HR15KV1025BK 8.7/15 3+3 25  25/3 6.8  47.3  49  1500  3310 
A7HR15KV1035BK 8.7/15 3+3 35  25/3 7.8  48.8  50.6  2100  3680 
A7HR15KV1050BK 8.7/15 3+3 50  25/3 9.4  53.7  55.5  3000  4580 
A7HR15KV1070BK 8.7/15 3+3 70  35/3 11.2  57.5  59.3  4200  5600 
A7HR15KV1095BK 8.7/15 3+3 95  50/3 12.7  60.8  63.1  5700  6550 
A7HR15KV1120BK 8.7/15 3+3 120  70/3 14.4  66.4  68.7  7200  8130 
A7HR15KV1150BK 8.7/15 3+3 150  70/3 16.3  71  73.4  9000  9460 
A7HR15KV1185BK 8.7/15 3+3 185  95/3 17.6  73.1  75.5  11100  10700 
A7HR20KV1025BK 12/20 3+3 25  25/3 6.8  52  53.8  1500  3830 
A7HR20KV1035BK 12/20 3+3 35  25/3 7.8  55.2  57  2100  4440 
A7HR20KV1050BK 12/20 3+3 50  25/3 9.4  58.4  60.2  3000  5170 
A7HR20KV1070BK 12/20 3+3 70  35/3 11.2  62.1  64.4  4200  6250 
A7HR20KV1095BK 12/20 3+3 95  50/3 12.7  67.2  69.5  5700  7480 
A7HR20KV1120BK 12/20 3+3 120  70/3 14.4  71  73.4  7200  8840 

Ampacity 30℃ in air (KLT-cableKLT-cable

Cross-sectional area
mm²
Tile ampacity
A
Ampacity in reel A
1 layer 2 layers 3 layers 4 layers 5 layers 6 layers 7 layers
25  139  111  85  68  58  53  38  31 
35  172  138  105  84  72  65  46  38 
50  216  173  132  106  91  82  58  48 
70  265  212  162  130  111  101  72  58 
95  319  255  195  156  134  121  86  70 
120  371  297  226  182  156  141  100  82 
150  428  342  261  210  180  163  116  94 
185  488  390  298  239  205  185  132  107 
Cross-sectional area mm² Power factor
0.7  0.8  0.9 
25  1.29  1.45  1.6  1.71 
35  0.95  1.06  1.16  1.23 
50  0.69  0.77  0.83  0.87 
70  0.51  0.56  0.6  0.61 
95  0.41  0.45  0.47  0.47 
120  0.34  0.36  0.38  0.36 
150  0.29  0.31  0.32  0.29 
185  0.25  0.27  0.27  0.24 

Decompression factor (KLT-cable)

Ambient temperature

10C 15℃ 20℃ 25C 30℃ 35C 40℃ 45C 50℃ 55℃ 60C 65℃ 70℃ 75℃ 80℃
Degradation factor 1.15  1.12  1.08  1.04  1.00  0.96  0.91  0.87  0.82  0.76  0.71  0.65  0.58  0.50  0.41 

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