TUNNEL CABLES

TUNNEL CABLES

NTSCGEWöU

Application

For the connection of electrical equipment large material handling machines such as excavators, cranes,

dumpers in mining and tunneling applications. The flexible cable design allows for movement of the equipment

during operation.

STANDARDS

construction

DIN VDE 0250-813

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

Under Fire Condition Tests

DIN VDE 0472-803, 804

Flame Retardant

VDE 0482-332-1-2,DIN EN 60332-1-2,IEC 60332-1

Oil Resistant

HD/EN/IEC 60811-2-1.,DIN VDE0473-811-2-1

CABLE CONSTRUCTION

conductor

Electrolytic, stranded, tinned copper wire DIN VDE 0295 Class 5

Insulation

3Gl3 type EPR compound

Electrical Field Control

Inner and Outer semiconductive layer of semiconductive rubber

Protective-Earth conductor

Tinned Copper conductor with semiconductive layer

Lay Up

Three main conductors laid-up with three control cores in the outer interstice

Inner Sheath

GM1b Type EPR Compound

Reinforcement

Embedded braid made of anti torsion synthetic threads

Outer Sheath

5GM5 Type elastomer compound. Red

Technical Characteristics

Rated Voltage

3.6/6 KV

6/10 KV

8.7/15KV

12/20 KV

18/30 KV

AC Test Voltage

11KV

17KV

24KV

29KV

43KV

Max.Permissible Operating Voltage AC

4.2/7.2KV

6.9/12 KV

10.4/18KV

13.9/24 KV

20.8/36 KV

Min Bending Radius

VDE 0298-3 Tab 3

Current Carrying Capacities

VDE 0298-4

Working Temperature

Fixed

-40°C-+80°C

Mobile

-25°C-+80°C

Max.Tensile Load Of cable

15N/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)

Appro. Weight (kg/km)

3x25 + 3x25/3

41.8-45.0

2530

3x35 + 3x25/3

44.2-48.9

2900

3x50 + 3x25/3

48.5-51.4

3600

3x70 + 3x35/3

52.6-55.6

4400

3x95 + 3x50/3

55.7-58.8

5630

3x120 + 3x70/3

59.6-65.9

6200

6/10 KV

Cross Section
(mm²)

Overall Diameter
min-max (mm)

Appro. Weight (kg/km)

3x25 + 3x25/3

43.6-48.1

2600

3x35 + 3x25/3

45.6-50.4

2980

3x50 + 3x25/3

48.3-51.4

3720

3x70 + 3x35/3

53.4-59.1

4510

3x95 + 3x50/3

57.1-63.2

5720

3x120 + 3x70/3

63.0-69.7

6300

8.7/15 KV

Cross Section
(mm²)

Overall Diameter
min-max (mm)

Appro. Weight (kg/km)

3x25 + 3x25/3

48.1-53.2

3675

3x35 + 3x25/3

51.8-57.3

4415

3x50 + 3x25/3

55.5-61.4

5135

3x70 + 3x35/3

58.0-64.1

6005

3x95 + 3x50/3

63.4-70.1

7200

3x120 + 3x70/3

67.5-74.6

8700

12/20 KV

Cross Section
(mm²)

Overall Diameter
min-max (mm)

Appro. Weight (kg/km)

3x25 + 3x25/3

51.1-55.3

4460

3x35 + 3x25/3

54.4-58.2

4990

3x50 + 3x25/3

59.4-63.6

5740

3x70 + 3x35/3

64.2-68.4

6950

3x95 + 3x50/3

69.6-73.8

7870

3x120 + 3x70/3

73.6-77.8

9425

18/30 KV

Cross Section
(mm²)

Overall Diameter
min-max (mm)

Appro. Weight (kg/km)

3x25 + 3x25/3

66.0-72.8

6360

3x35 + 3x25/3

68.0-75.0

6925

3x50 + 3x25/3

71.6-79.1

7800

3x70 + 3x35/3

75.8-83.7

9140

3x95 + 3x50/3

79.4-87.7

10100

3x120 + 3x70/3

85.3-94.2

12260

20/35 KV

Cross Section
(mm²)

Overall Diameter
min-max (mm)

Appro. Weight (kg/km)

3x35 + 3x25/3

75.7-83.6

8400

3x50 + 3x25/3

79.5-87.8

9360

3x70 + 3x35/3

82.0-90.6

10400

3x95 + 3x50/3

87.3-96.4

11770

3x120 + 3x70/3

91.4-101.1

13680