NTSCGEWÖU Flexible Trailing Cable | Mining & Tunnelling Power Supply | VDE 0250-813 | 3.6/6kV – 20/35kV
The NTSCGEWÖU from TEBAOFLEX CABLE is a high-performance flexible trailing cable engineered for heavy-duty mining and tunnelling applications. Designed to power excavators, cranes, and dumpers, it withstands torsional stress (±25°/m), high travel speeds (up to 120 m/min), and harsh environmental conditions. VDE 0250-813 certified and flame retardant to IEC/EN 60332-1-2.
Product Overview
The NTSCGEWÖU Flexible Trailing Cable is a premium medium-voltage power cable specifically developed for the connection of large material handling machines in mining and tunnelling operations. Its advanced flexible construction allows for continuous equipment movement during operation, making it the ideal power supply solution for excavators, bucket-wheel excavators, cranes, dumpers, and tunnel boring machines.
Manufactured by TEBAOFLEX CABLE under stringent quality standards (ISO 9001:2015, ISO 14001:2015), this cable carries prestigious international certifications including VDE, UL62, CSA C22 No. 9, Mining Safety Mark (MA), and CE, ensuring reliable performance in the world’s most demanding industrial environments.
Designation Code Breakdown
| Code | Meaning |
|---|---|
| N | Sheathed cable |
| T | Three-core |
| S | Screened (shielded) |
| C | Copper conductor |
| G | Rubber insulation (EPR) |
| E | Earth (protective conductor) |
| WÖU | Resistant to Water, Oil, and Abrasion |
Key Features & Benefits
Superior Flexibility: Class 5 stranded tinned copper conductors enable continuous flexing and movement during equipment operation.
Exceptional Torsional Resistance: Withstands ±25°/m torsional stress, essential for reeling and trailing applications.
High Travel Speed Capability: Supports up to 120 m/min for reeling applications and 60 m/min for drum rewind; tunnel applications up to 30 m/min.
Wide Temperature Range: Operates from -40°C to +80°C (fixed) and -25°C to +80°C (flexed), with max conductor temperature of 90°C and short-circuit tolerance up to +250°C.
Outstanding Environmental Durability: Resistant to oil, ozone, solvents, petrol, acids, chemicals, and greases. Weather-resistant for unrestricted indoor and outdoor use.
Enhanced Safety: Flame retardant to DIN VDE 0482-332-1-2 / DIN EN 60332-1-2 / IEC 60332-1-2; oil-resistant to DIN VDE 0473-811-404 / DIN EN 60811-404.
Built-in Anti-Torsion Reinforcement: Embedded braid made of anti-torsion synthetic threads within the inner sheath provides superior mechanical strength.
Comprehensive Voltage Coverage: Available in 3.6/6kV, 6/10kV, 8.7/15kV, 12/20kV, 18/30kV, and 20/35kV ratings.
Construction Details
| Component | Description |
|---|---|
| Conductor | Electrolytic, stranded, tinned copper wire – DIN VDE 0295 Class 5 |
| Insulation | 3Gl3 type EPR (Ethylene Propylene Rubber) compound |
| Electrical Field Control | Inner and outer semiconductive layers 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 |
| Sheath Colour | Red |
Technical Specifications
| Parameter | Value |
|---|---|
| Standards | VDE 0250 Part 812/813, VDE 0295, EN 60228 |
| Rated Voltage (U₀/U) | 3.6/6 kV · 6/10 kV · 8.7/15 kV · 12/20 kV · 18/30 kV · 20/35 kV |
| AC Test Voltage | 11 kV · 17 kV · 24 kV · 29 kV · 43 kV (depending on rating) |
| Temp. Range (Fixed) | -40°C to +80°C |
| Temp. Range (Flexed) | -25°C to +80°C |
| Max. Conductor Temp. | 90°C |
| Max. Short Circuit Temp. | +250°C |
| Min. Distance with S-Type Directional Changes | 20 × D |
| Torsional Stress | ±25°/m |
| Max. Tensile Load | 15 N/mm² |
| Travel Speed (Tunnelling) | max. 30 m/min |
| Travel Speed (Rewinding/Drum Car) | max. 60 m/min |
| Reeling Acceleration (max.) | 0.4 m/s² |
| Reeling Velocity (max.) | 120 m/min |
| Flame Retardant | DIN VDE 0482-332-1-2 / DIN EN 60332-1-2 / IEC 60332-1-2 |
| Oil Resistant | DIN VDE 0473-811-404 / DIN EN 60811-404 / IEC 60811-404 |
| Min. Bending Radius | Acc. to DIN VDE 0298 part 3 |
| Current Carrying Capacity | According to DIN VDE 0298, Part 4 |
Primary Applications
Mining: Power supply for excavators, bucket-wheel excavators, draglines, dumpers, and continuous miners in opencast and underground mines.
Tunnelling: Connection of tunnel boring machines (TBM), shield machines, and other tunneling equipment.
Heavy Industry: Cable reeling systems for cranes, port machinery, and large material handling equipment.
Certifications & Quality
ISO 9001:2015 Quality Management
ISO 14001:2015 Environmental Management
VDE Certified
UL62 & CSA C22 No. 9
Mining Safety Mark Certificate (MA)
CE Compliant
RoHS & REACH Compliant
Packaging
Standard length on drums. Custom packing and delivery forms available on request.
Custom Ordering Information
Any other sizes or designs available on request. TEBAOFLEX CABLE offers customized product services tailored to all performance requirements of your cable working application.
