Comprehensive Technical Comparison Guide for Mining and Heavy Industry Applications
Feichun Special Cable
Anhui Feichun Special Cable Co., Ltd.
DIN VDE 0250-813 Trailing Cable Types
Comprehensive Technical Comparison Guide for Mining and Heavy Industry Applications
Technical Reference Document
This comprehensive technical guide provides detailed analysis and comparison of various trailing cable types manufactured according to DIN VDE 0250-813 standard, specifically designed for demanding mining and heavy-duty industrial applications.
📖 DIN VDE 0250-813 Standard Overview
The DIN VDE 0250-813 standard, issued by the German Institute for Standardization (Deutsches Institut für Normung – VDE), specifies comprehensive technical requirements for trailing cables designed for power installations in demanding industrial environments, particularly mining operations.
💡 Definition: Trailing Cables
Trailing cables are flexible power cables specifically engineered for mobile equipment that experiences continuous movement. These cables must withstand multiple simultaneous stresses including:
- Continuous flexing during equipment operation
- Mechanical abrasion from contact with rough surfaces
- Tensile forces during equipment movement
- Extreme environmental conditions (temperature, moisture, contaminants)
- Reeling and unreeling cycles on cable drums
Standard Scope and Technical Parameters
| Parameter | Specification Range | Technical Notes |
|---|---|---|
| Rated Voltage (U₀/U) | 0.6/1 kV to 18/30 kV | Primary range: 3.6/6 kV, 6/10 kV, 8.7/15 kV, 12/20 kV |
| Insulation Material | EPR (Ethylene Propylene Rubber) | Type 3GI3 per DIN VDE 0207-20 or superior grades |
| Operating Temperature | -25°C to +90°C | Continuous operation at conductor temperature ≤ 90°C |
| Installation Temperature | Minimum -5°C | Lower temperatures require pre-warming procedures |
| Target Applications | Mining, quarries, heavy industry | Mobile equipment with high mechanical stress |
| Configuration Options | Single-core or multi-core | With integrated earth and control conductors |
Key Technical Features
Enhanced Mechanical Protection
Multi-layer construction with intermediate polyamide reinforcement braid provides exceptional resistance to mechanical stress, extending service life significantly compared to standard industrial cables.
Superior Electrical Performance
Individual semiconductive screens on power conductors minimize electromagnetic interference and ensure uniform electric field distribution, critical for medium voltage applications.
Thermal Stability
Special EPR insulation compounds exceed Type 3GI3 specifications, providing excellent thermal aging resistance and maintaining electrical properties throughout the cable’s design life.
Optimized Flexibility
Rope-lay conductor construction with special lay lengths and proprietary compounds ensure maximum flexibility while maintaining structural integrity during continuous flexing cycles.
✅ Quality Assurance
All Feichun Cable products manufactured to DIN VDE 0250-813 undergo rigorous testing including:
- AC voltage withstand test: 5 minutes at specified voltage levels
- Insulation resistance measurement: Minimum 100 MΩ·km for new cables
- Conductor resistance verification: Per IEC 60228 class specifications
- Dimensional compliance: Complete geometric verification
- Thermal aging tests: 168 hours at 90°C minimum
- Flexing endurance: Thousands of bending cycles without failure
- Abrasion resistance: According to DIN VDE 0282 part 1
- Flame propagation: IEC 60332-3 category compliance
🔌 Cable Type Classifications
The DIN VDE 0250-813 standard encompasses multiple cable configurations, each optimized for specific operational requirements. Understanding the nomenclature and distinguishing characteristics is essential for proper cable selection.
Nomenclature Decoding System
🔤 Understanding Cable Designations
Example designation: R-(N)TSCGEWOU
- R: Reduced dimension design (optimized weight/flexibility)
- T: Standard trailing cable construction
- F: Fixed installation design
- W: Water-resistant/submersible variant
- (N): Nominal voltage indicator (medium voltage cables)
- T: Trailing cable
- S: Screened (semiconductive screening layers)
- C: Concentric earth conductor
- G: Ground check conductor (fail-safe monitoring)
- E: EPR insulation
- W: Weather/water resistant sheath
- O: Oil resistant compounds
- U: Special construction features
Primary Cable Family Overview
- 3 power + 3 earth conductors
- Individual semiconductive screens
- Polyamide reinforcement braid
- 15-20% lighter than standard type
- Optimized for reeling applications
Primary Application: Semi-fixed installations, slow trailing, medium-duty equipment with space/weight constraints
- 3 power + 3 earth conductors
- Individual metallic screens
- Enhanced EMI rejection
- Optimized dimensions
- Suitable for electronic controls
Primary Application: Trailing and reeling on equipment with sensitive electronic control systems requiring EMI protection
- 3 power + 3 earth conductors
- Robust standard construction
- Optimal cost-performance ratio
- Enhanced mechanical resistance
- General purpose mining application
Primary Application: General trailing in underground and surface mining operations, most common configuration
- 3 power + 3 earth conductors
- Fixed installation design
- High impact resistance
- No extreme flexing requirements
- Enhanced static durability
Primary Application: Fixed or semi-permanent installations in demanding mining environments
- 3 power + 3 earth conductors
- Water-resistant sheath
- High moisture resistance
- Submersible operation capable
- Extreme wet environment rated
Primary Application: Dredging operations, wet mining environments, submersible pumps
- Single power conductor
- Screen with braided wrap
- CR outer sheath
- High flexibility
- Modular system design
Primary Application: Special connections, festoon systems, modular power distribution
Specialized Variants Matrix
| Cable Designation | Special Feature | Typical Application |
|---|---|---|
| (N)TMOGETMPU | Extra-heavy duty TPU (Thermoplastic Polyurethane) outer sheath | Extreme abrasion conditions, high-stress mobile equipment |
| (N)TMCWOU | Single-core with CR (Chloroprene Rubber) sheath | High chemical and thermal resistance applications |
| NSSHOU | Screened conductors with reinforced pilots, CR outer sheath | High-stress trailing for dredging operations |
| NSHTOU-J | Screened power conductors with reinforced metallic braid | Hoisting and heavy material handling equipment |
| (N)3GHSBYCY | 3 screened power cores, additional metallic screens, LSZH sheath | Medium voltage tunnel and underground excavation applications |
| FOMFLEX | 2 gel-filled fiber optic tubes + kevlar rod + CR sheath | EMI-immune data transmission for mobile equipment |
| H07RN-F/8UB | Power and control wrapped, dual-layer thermoset sheath | Multi-purpose general industrial applications |
⚠️ Critical Selection Note
Proper cable type selection is critical for operational safety and efficiency. Key factors requiring careful evaluation:
- Voltage rating: Ensure cable voltage classification exceeds system voltage
- Movement type: Continuous trailing vs. reeling vs. semi-fixed installation
- Environmental factors: Water, chemicals, extreme temperatures
- Mechanical stress level: Expected abrasion, flexing frequency, and tensile forces
- Special requirements: EMI immunity, fiber optics, ground monitoring, submersibility
📊 Detailed Technical Comparison
To facilitate informed cable selection, this section provides comprehensive technical comparisons across key performance parameters for the primary DIN VDE 0250-813 cable types.
Comprehensive Comparison Matrix
| Cable Type | General Construction | Key Characteristics | Voltage Rating | Specific Applications |
|---|---|---|---|---|
| R-(N)TSCGEWOU | 3 power + 3 protective earth screened, semiconductive conductive filler, CR sheath with intermediate braid reinforcement |
• Excellent flexibility • High impact & abrasion resistance • Flame retardant • UV, ozone, oil resistant | 3.6/6-18/20kV | Semi-fixed/trailing: Suitable for environmental and mechanical stress in mining. Weather-resistant for adverse conditions. |
| R-(N)TSKGEWOU | 3 power + 3 protective earth, semiconductive conductive filler, braid directly over assembled cores, CR sheath |
• Excellent flexibility • High impact & abrasion resistance • Flame retardant • UV, ozone, oil resistant | 3.6/6-18/20kV | Trailing and reeling: Suitable for mining environmental and mechanical conditions. Internal core damage protection reinforcement. |
| T-(N)TSGEWOU | 3 power + 3 protective earth, semiconductive conductive filler, braid directly over assembled cores, CR sheath |
• Excellent flexibility • High impact & abrasion resistance • Flame retardant • UV, ozone, oil resistant | 3.6/6-18/20kV | Trailing: Suitable for environmental and mechanical conditions inherent in mining industry. Trailing-appropriate design. |
| F-(N)TSGEWOU | 3 power + 3 earth, rubber central filler, CR sheath |
• High impact & abrasion resistance • Flame retardant • UV, ozone, oil resistant | 3.6/6-18/20kV | Fixed installation: Special cable for fixed installation in demanding mining environment. |
| W-(N)TSGEWOU | 3 power + 3 earth screened or unscreened, special synthetic waterproof sheath under CR outer sheath |
• High water, tear, impact resistance • High abrasion resistance • UV, ozone, oil resistant | 3.6/6-18/20kV | Water power supply: High-water dredging, saltwater service in demanding mining environment. |
| (N)TMOGEWOU / (N)TMCWOU | Flexible single-core, concentric wrap or braided screen, CR insulation, CR outer jacket |
• Moisture resistant & flame retardant • Very good weather & oil resistance • Easy handling | 3.6/6-18/20kV | Flexible single-core: With concentric screen or braid. |
| (N)TMOGETMPU | 3 power + 3 protective earth, extra-heavy duty TPU sheath |
• High abrasion & tear resistance • Oil resistant | Based on DIN VDE 0250-813 | Portable trailing cable: Dedicated for extreme condition operation with mechanical stress. Suitable for cable reel powered equipment. |
Mechanical Properties Comparison
Tensile Strength
Standard types meet minimum 15 N/mm². Polyamide-reinforced or TPU construction variants achieve values exceeding 20 N/mm².
Elongation at Break
Indicates excellent elasticity and capability to absorb mechanical impacts without premature insulation failure.
Tear Resistance
Cables with TPU or reinforced CR sheath offer superior protection against cuts and punctures in harsh environments.
Minimum Bending Radius
“R” (reduced) types may offer tighter radii due to optimized flexibility design while maintaining structural integrity.
Environmental and Chemical Resistance Comparison
| Environmental Factor | R/T-NTSCGEWOU | W-NTSGEWOU | (N)TMOGETMPU | Technical Notes |
|---|---|---|---|---|
| Water Resistance | Good | Excellent (submersible rated) | Very Good | W-type specifically designed for immersion applications |
| Oil Resistance | Excellent | Excellent | Exceptional | All types compatible with mineral oils and lubricants |
| UV Resistance | Very Good | Very Good | Excellent | Black sheath with UV stabilizers for outdoor applications |
| Ozone Resistance | Excellent | Excellent | Excellent | Inherent to EPR insulation and CR/TPU sheaths |
| Temperature Range | -25°C to +90°C | -25°C to +90°C | -25°C to +90°C | Fixed installation: down to -40°C |
| Flame Retardancy | Yes (IEC 60332) | Yes | Yes | All types comply with flame propagation requirements |
| Smoke Emission | Moderate | Moderate | Moderate | LSZH variants available (e.g., (N)3GHSBYCY) |
🔬 Quality Assurance Testing
All Feichun Cable DIN VDE 0250-813 products undergo rigorous quality verification:
- AC voltage withstand test: 5 minutes at standard-specified voltage (e.g., 17 kV for 6/10 kV cables)
- Insulation resistance: Minimum 100 MΩ·km for new cables
- Conductor resistance: Per IEC 60228 flexibility class requirements
- Dimensional verification: Complete insulation and sheath thickness inspection
- Thermal aging: 168 hours minimum at 90°C
- Flexing endurance: Thousands of cycles without failure
- Abrasion testing: According to DIN VDE 0282 part 1
- Flame propagation: IEC 60332-3 category A, B, or C compliance
✅ Conclusion
DIN VDE 0250-813 trailing cables represent premium engineering solutions for demanding mining and heavy industrial applications, offering an optimal combination of mechanical robustness, electrical reliability, operational versatility, and environmental durability.
🎯 Selection Fundamentals
Base selection on comprehensive analysis of:
- • Electrical requirements
- • Environmental conditions
- • Mechanical stress factors
- • Application-specific needs
⚙️ Installation Excellence
Strictly adhere to specifications for:
- • Bending radii limitations
- • Tensile force thresholds
- • Termination procedures
- • Grounding system integrity
🔧 Maintenance Protocol
Implement comprehensive programs including:
- • Periodic inspections
- • Electrical testing regimen
- • Predictive monitoring systems
- • Timely corrective actions
🌟 Value Proposition
Investment in quality yields measurable benefits:
- • Minimized downtime incidents
- • Enhanced personnel safety
- • Reduced operational costs
- • Positive long-term ROI
🤝 Feichun Cable Commitment
Anhui Feichun Special Cable Co., Ltd. is committed to delivering:
- World-class products: Manufactured to the most rigorous international standards
- Comprehensive technical support: From selection through post-sales service
- Continuous innovation: Development of advanced solutions for emerging challenges
- Customer-centric service: Rapid, professional response to all technical inquiries
📚 References and Standards
Applicable Standards and Regulations
- VDE Verlag – DIN VDE 0250-813, DIN VDE 0207-20, DIN VDE 0207-21
- IEC – IEC 60228, IEC 60332-3, IEC 60502, IEC 60811, IEC 60724
- CENELEC – HD 620 (European harmonized standard)
- ISO 9001:2015 – Quality Management Systems
- ISO 14001:2015 – Environmental Management Systems
Additional Technical Resources
- Technical catalogs from international cable manufacturers
- Application guides for mining cable systems
- Cable reeling system design publications
- Medium voltage cable installation and maintenance manuals
⚖️ Disclaimer
This document is provided for informational and educational purposes. Technical specifications may vary by cable configuration and standard updates. Always consult:
- Official manufacturer technical datasheets
- Current versions of cited standards
- Local regulations applicable to specific projects
- Certified professional engineers for installation design
Document Version: October 2025
