(N)TSWÖU-J Mining Cable VDE 0250 – 813 | 0.6/1 kV Heavy-Duty Open & Underground Mine Cable with Elastomer Sheath

APPLICATION

Used in open and underground mines.

Cable Structure: 

CONDUCTOR : Electrolytic, stranded, tinned copper wire DIN VDE 0295 Class 5
INSULATION : All cores are insulated with 3Gl3 compound (acc. to DIN VDE 0207 part 20).
LAYUP : All cores are /aid up in contact with each other and interstitial ground cores.
BEDDING : Special elastomeric compound GM1 b (acc. to DIN VDE 0207 Teil 21)
OUTER SHEATH : Heavy duty elastomer outer sheath 5GM5 (acc. to DIN VDE 0207 Teil 21)

Cable Properties:

RELATED STANDARDS : VDE 025 0 – 813
RATED VOLTAGE : 06/1 kV
TEST VOLTAGE : 4 kV

Technical Specifications:

Cross-section
(mm2)

MIN. OVERALL DIAMETER
(mm)

MAX. OVERALL DIAMETER
(mm)

APPROX. CABLE WEIGHT
(kg/km)

COPPER WEIGHT
(kg/km)

3×25+3×25/3

40.0

44.0

2,470

960

3×35+3×25/3

44.4

48.4

3,150

1.344

3×95+3×50/3

59.9

63.9

6,210

3.216

3×120+3×70/3

63.8

67.8

7,430

4.128

3×150+3×70/3

69.2

73.2

8,900

4.992

3×185+3×95/3

73.1

77.1

10,330

6.24

What Is the (N)TSWÖU-J Mining Cable?

The (N)TSWÖU-J cable is a 0.6/1 kV heavy-duty mining cable designed for both open and underground mines. Its construction ensures maximum flexibility, mechanical strength, and electrical safety, making it ideal for harsh mining conditions.

Key features include:

  • Conductor: Electrolytic, stranded, tinned copper wire according to DIN VDE 0295 Class 5, ensuring excellent conductivity and flexibility.

  • Insulation: 3Gl3 compound per DIN VDE 0207 part 20, providing high resistance to thermal and mechanical stress.

  • Bedding: Special elastomeric compound GM1 b (DIN VDE 0207 Teil 21) for core protection.

  • Outer Sheath: Heavy-duty elastomer 5GM5, designed to withstand abrasion, impact, and chemical exposure.

  • Voltage Rating: 0.6/1 kV with a test voltage of 4 kV.

The cable’s robust construction allows it to maintain performance in environments characterized by heavy mechanical loads, moisture, dust, and temperature fluctuations.


What Applications Are Best Suited for the (N)TSWÖU-J Cable?

The (N)TSWÖU-J cable is widely used in both open-pit and underground mines, including:

  • Supplying power to conveyors, crushers, and drilling machines

  • Connecting mobile equipment and loaders

  • Power distribution for underground transport vehicles

  • Temporary or permanent installations in mining tunnels

Its high flexibility allows it to be used with trailing equipment and in confined underground spaces, while its robust outer sheath provides protection from sharp rocks, machinery edges, and environmental hazards.


How Does the (N)TSWÖU-J Compare with Other Mining Cables?

When selecting a mining cable, comparison against similar models is essential. The following table highlights key differences:

Feature

(N)TSWÖU-J

BS 6708 Type 307M

SANS Type 61A

Voltage Rating

0.6/1 kV

1.9/3.3 kV

0.64/1.1 kV

Conductor Material

Tinned Copper

Tinned Copper

Plain Copper

Insulation Material

3Gl3 Compound

EPR

PVC/XLPE

Outer Sheath

5GM5 Elastomer

Chloroprene

PVC/LSZH

Flexibility

High

Medium-High

Medium

Application

Open & Underground

Excavating Machines

General Mining

The (N)TSWÖU-J excels in flexibility, abrasion resistance, and underground suitability, making it a preferred option for South African mines requiring high durability and continuous operation.


What Are the Common FAQs About the (N)TSWÖU-J Cable?

Q1: Can the (N)TSWÖU-J cable be used in wet mining conditions?
Yes, its elastomeric outer sheath and bedding compound provide high resistance against moisture and water ingress, making it suitable for wet tunnels and open-pit operations.

Q2: How does this cable handle mechanical stress?
The tinned stranded copper conductors and interstitial ground core layout ensure high flexibility, allowing the cable to withstand dragging, bending, and pulling without compromising performance.

Q3: How does it compare in cost to other mining cables?
While the initial cost may be higher than standard PVC-insulated cables, its long service life and reduced maintenance requirements make it more economical over time.

Q4: What is the maximum operating temperature?
The 3Gl3 insulation and elastomeric materials typically allow operation up to 90°C continuously, with short-term excursions tolerated per VDE 0250 – 813 standards.

Q5: Can the cable be used with mobile mining equipment?
Absolutely. Its high flexibility and robust sheath make it ideal for trailing applications with loaders, conveyors, and crushers.


Why Choose the (N)TSWÖU-J Mining Cable?

In summary, the (N)TSWÖU-J cable VDE 0250 – 813 offers:

  • Superior mechanical durability for open and underground mines

  • High flexibility for moving equipment and trailing applications

  • Resistant insulation and sheath against abrasion, chemicals, and moisture

  • Wide range of sizes to meet diverse power requirements

  • Proven reliability in South African mining operations

For operators seeking a cable that minimizes downtime, maximizes safety, and ensures compliance with international standards, the (N)TSWÖU-J stands out as a technically advanced and practical solution.