TUNNEL CABLES

TUNNEL CABLES

(N)TSCGEWöU-TBM

Application

The cables are suitable for reeling power supply cables for TBM’s machines and in underground mines for tunnel

constructions.

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

Flexible Tinned Electrolytic copper conductor DIN VDE 0295 Class 5

Insulation

3Gl3 type EPR compound

Electrical Field Control

Inner and Outer semiconductive layer of semiconductive rubber

Control core

Tinned Copper conductor with semiconductive layer

Protective-Earth conductor

Tinned Copper/ Textile braiding combinated cores laying concentric around each power core.

Core Identification

Main Cores: Natural coloring with black semiconductive rubber.
Control cores: Black

Lay Up

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

Inner Sheath

GM1b Type EPR Compound

Screen

Overall concentric lay of copper wire spinning.

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

4.2/7.2 KV

6.9/12KV

10.4/18 KV

13.9/24KV

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

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+3x16/3E+3x2.5ST+6ÜLKON

42.2-45.4

2770

3x35+3x25/3E+3x2.5ST+6ÜLKON

46.8-50.0

3200

3x50+3x25/3E+3x2.5ST+6ÜLKON

50.1-53.2

4040

3x70+3x35/3E+3x2.5ST+6ÜLKON

54.6-57.7

5035

3x95+3x50/3E+3x2.5ST+6ÜLKON

56.4-60.5

6270

3x120+3x70/3E+3x2.5ST+6ÜLKON

64.0-68.0

7400

6/10 KV

Cross Section
(mm²)

Overall Diameter
min-max (mm)

Appro. Weight (kg/km)

3x25+3x16/3E+3x2.5ST+6ÜLKON

45.5-48.2

2975

3x35+3x25/3E+3x2.5ST+6ÜLKON

47.8-51.0

3420

3x50+3x25/3E+3x2.5ST+6ÜLKON

50.7-54.9

4260

3x70+3x35/3E+3x2.5ST+6ÜLKON

57.2-61.4

5270

3x95+3x50/3E+3x2.5ST+6ÜLKON

61.1-65.3

6540

3x120+3x70/3E+3x2.5ST+6ÜLKON

65.1-69.3

7840

12/20 KV

Cross Section
(mm²)

Overall Diameter
min-max (mm)

Appro. Weight (kg/km)

3x25+3x16/3E+3x2.5ST+6ÜLKON

51.1-55.3

3600

3x35+3x25/3E+3x2.5ST+6ÜLKON

54.0-58.2

4140

3x50+3x25/3E+3x2.5ST+6ÜLKON

59.4-63.6

5030

3x70+3x35/3E+3x2.5ST+6ÜLKON

64.2-68.4

6200

3x95+3x50/3E+3x2.5ST+6ÜLKON

69.2-73.8

7520

3x120+3x70/3E+3x2.5ST+6ÜLKON

73.6-77.8

8740