TUNNEL CABLES

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
Class 5

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
syntetic tape over wires

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
KV

6.9/12
KV

10.4/18
KV

13.9/24
KV

20.8/36
KV

Max.Permissible Operating Voltage DC

5.4/10.8
KV

9/18
KV

13.5/27
KV

18/36
KV

27/54
KV

Min Bending Radius

DIN VDE 0298-3

Current Carrying Capacities

DIN VDE 0298-4

Working Temperature

Fixed

-40°C- +80°C

Mobile

+5°C- +80°C

Max.Tensile Load Of cable

20N/mm²

max.torsion

25°/m

Trawl Speed For Tunnelling App

Max.30 m/min

Minimum Distarce For Change
Of Direction

20×D

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