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TUNNEL CABLES
(N)3GHSSHCH
Application:
These cables are used for the connection of mobile operating equipments in mines and underground excavations with hazardous environments. In stationary operation, e.g.highvoltage transformers in mining and tunnelling.
STANDARDS:
construction |
DIN VDE 0250-605 & IEC 60502-2 |
|---|---|
| General Requirements | DIN VDE 0250-1 |
| Guide Use | DIN VDE 0298-3 |
| Electrical Tests | DIN VDE 0472-501, 503, 508 |
| Non-Electrical Tests | DIN VDE 0472-401. 402,602,303, 615 |
| Flame Retardant | VDE 0482-332-1-2,DIN EN 60332-1-2,IEC 60332-1 |
CABLE CONSTRUCTION:
| conductor | Flexible electrolytic stranded tinned copper wire DIN VDE 0295 |
|---|---|
| Insulation | |
| Main Cores | 3Gl3 type EPR compound |
| Pilot Control Cores | 3Gl3 type EPR compound |
| Electrical Field Control | Extruded inner and outer rubber semiconductive layer for 3.6/6 kV cables outer semiconductive layer only |
| Protective Conductor | Made of plain copper wires or copper wire braiding laid up concentrically around each main core |
| Core Identification | |
| Main Cores | Natural coloring, design acc to DIN VDE 0250 Part 1 |
| Pilot Cores | Black colored and number coded |
| Lay Up | Three main conductors laid-up with three pilot control cores in the outer interstice.Protective cores are concentricalty wrapped over insulation of power cores |
| Inner Sheath | Special Halogen free and flame retardant HFFR compound |
| Monitoring Conductor | Semioonductive tape + overall concentric lay of copper wires and |
| Inner Sheath | Special Halogen free and flame retardant HFFR compound |
| Armour | Galvanized steel wire braiding, coverage minimum 75% |
| Outer Sheath | Special Halogen free and flame retardant HFFR compound, Red or Black |
Technical Characteristics:
Rated Voltage |
3.6/6KV |
6/10KV |
8.7/15KV |
12/20KV |
18/30KV |
|---|---|---|---|---|---|
| AC Test Voltage | 11KV |
17KV |
24KV |
29KV |
43KV |
| Max.Permissible Operating Voltage AC |
4.2/7.2 |
6.9/12 |
10.4/18 |
13.9/24 |
20.8/36 |
| Max.Permissible Operating Voltage DC | 5.4/10.8 |
9/18 |
13.5/27 |
18/36 |
27/54 |
| Min Bending Radius | DIN VDE 0298-3 |
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| Current Carrying Capacities | DIN VDE 0298-4 |
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| Working Temperature | |||||
| Fixed | -40°C- +80°C |
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| Mobile | +5°C- +80°C |
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| Max.Tensile Load Of cable | 20N/mm² |
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| max.torsion | 25°/m |
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| Trawl Speed For Tunnelling App | Max.30 m/min |
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| Minimum Distarce For Change Of Direction |
20×D |
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Dimensions And Weight :
3.6/6 KV
| Cross Section (mm²) | Overall Diameter min-max (mm) | conductor Resistance at 20°c (Ω/km) |
Appro. Weight (kg/km) |
|---|---|---|---|
3x25+3x16/3E+3x2.5ST+ÜL |
47.0-51.0 |
0.780 |
3600 |
3x35+3x16/3E+3x2.5ST+ÜL |
49.0-54.0 |
0.554 |
4170 |
3x50+3x25/3E+3x2.5ST+ÜL |
52.0-57.8 |
0.386 |
4850 |
3x70+3x35/3E+3x2.5ST+ÜL |
56.1-61.2 |
0.272 |
5900 |
3x95+3x50/3E+3x2.5ST+ÜL |
60.3-66.2 |
0.206 |
7044 |
3x120+3x70/3E+3x2.5ST+ÜL |
63.8-70.2 |
0.161 |
8620 |
3x150+3x70/3E+3x2.5ST+ÜL |
66.0-72.0 |
0.129 |
9860 |
3x185+3x95/3E+3x2.5ST+ÜL |
70.0-74.0 |
0.106 |
11300 |
6/10 KV
| Cross Section (mm²) | Overall Diameter min-max (mm) |
conductor Resistance at 20°c (Ω/km) |
Appro. Weight (kg/km) |
|---|---|---|---|
3x25+3x16/3E+3x2.5ST+ÜL |
54.0-57.0 |
0.780 |
4200 |
3x35+3x16/3E+3x2.5ST+ÜL |
57.1-60.2 |
0.554 |
4650 |
3x50+3x25/3E+3x2.5ST+ÜL |
60.4-63.6 |
0.386 |
5380 |
3x70+3x35/3E+3x2.5ST+ÜL |
65.2-68.8 |
0.272 |
6450 |
3x95+3x50/3E+3x2.5ST+ÜL |
68.0-71.9 |
0.206 |
7700 |
3x120+3x70/3E+3x2.5ST+ÜL |
70.1-76.1 |
0.161 |
9260 |
3x150+3x70/3E+3x2.5ST+ÜL |
73.0-78.0 |
0.129 |
10840 |
3x185+3x95/3E+3x2.5ST+ÜL |
74.0-79.2 |
0.106 |
12400 |
8.7/15KV
| Cross Section (mm²) | Overall Diameter min-max (mm) |
conductor Resistance at 20°c (Ω/km) |
Appro. Weight (kg/km) |
|---|---|---|---|
3x25+3x16/3E+3x2.5ST+ÜL |
58.0-62.0 |
0.780 |
4530 |
3x35+3x16/3E+3x2.5ST+ÜL |
61.0-65.0 |
0.554 |
5100 |
3x50+3x25/3E+3x2.5ST+ÜL |
64.7-68.7 |
0.386 |
5840 |
3x70+3x35/3E+3x2.5ST+ÜL |
67.9-71.9 |
0.272 |
7840 |
3x95+3x50/3E+3x2.5ST+ÜL |
72.4-76.4 |
0.206 |
9210 |
12/20 KV
| Cross Section (mm²) | Overall Diameter min-max (mm) |
conductor Resistance at 20°c (Ω/km) |
Appro. Weight (kg/km) |
|---|---|---|---|
3x25+3x16/3E+3x2.5ST+ÜL |
62.3-66.3 |
0.780 |
4920 |
3x35+3x16/3E+3x2.5ST+ÜL |
65.3-69.3 |
0.554 |
5400 |
3x50+3x25/3E+3x2.5ST+ÜL |
69.0-73.0 |
0.386 |
6200 |
3x70+3x35/3E+3x2.5ST+ÜL |
72.2-76.2 |
0.272 |
8240 |
3x95+3x50/3E+3x2.5ST+ÜL |
76.8-80.8 |
0.206 |
9610 |
3x120+3x70/3E+3x2.5ST+ÜL |
81.0-84.0 |
0.161 |
11260 |
3x150+3x70/3E+3x2.5ST+ÜL |
84.5-88.7 |
0.129 |
13840 |
3x185+3x95/3E+3x2.5ST+ÜL |
89.0-93.5 |
0.106 |
15400 |