Product Overview & Applications
The (N)3GHSSYCY trailing cable is the industry-preferred choice for medium voltage power supply in challenging underground environments. Key applications include:
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Underground Mines: Powering continuous miners, LHD vehicles, longwall shearers, and conveyor systems in hazardous, dusty, and wet conditions.
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Tunnelling Projects: Providing reliable power for tunnel boring machines (TBMs) and other large-scale excavation equipment.
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Fixed Installations: Serving as a power feeder cable for high-voltage transformers and fixed equipment in mining infrastructure.
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Variable Frequency Drive Systems: Suitable for mine VFD applications including belt conveyors and hoists.
Model Code Breakdown
| Code | Meaning |
|---|---|
| (N) | German VDE standard compliance (optional prefix) |
| 3G | Three phase conductors |
| H | EPR rubber insulation (Ethylene Propylene Rubber) |
| SS | Steel wire braid screen/armour |
| Y | PVC inner sheath |
| CY | Copper wire screen + PVC outer sheath |
Core Structure & Technical Parameters
| Component | Material | Key Feature |
|---|---|---|
| Conductor | Class 5 flexible stranded bare copper (DIN VDE 0295) | High flexibility for mobile applications |
| Insulation | EPR Type 3GI3 | Excellent electrical and thermal properties |
| Field Control | Semi-conductive layers | Prevents partial discharge |
| Earth Conductor | Individual copper wire screen per core | Dedicated earth path + shielding |
| Control Cores | 3 x Class 5 tinned copper, EPR insulated | Pilot/signal transmission |
| Armour | Galvanized steel wire braid (≥75% coverage) | Crush, impact and tensile protection |
| Outer Sheath | PVC YM5/DMV6, Red or Black | Abrasion, oil and weather resistant |
Key Performance Advantages
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Superior Mechanical Protection: The steel wire braid armour provides exceptional resistance to dragging, crushing and impact stresses common in mobile mining operations.
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Excellent Flexibility: Class 5 conductors enable easy handling and installation in confined underground spaces.
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Broad Temperature Range:
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Mobile use: +5°C to +80°C
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Fixed installation: -40°C to +80°C
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Enhanced Safety: The integrated monitoring conductor (ÜL) enables continuous cable integrity monitoring, a critical safety feature for hazardous mining environments.
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International Compliance: Meets VDE 0250-605 and IEC 60502-2 standards, ensuring reliable performance for critical applications.
Applicable Standards
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VDE 0250-605
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IEC 60502-2
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DIN VDE 0295 Class 5
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IEC 60332-1-2 (Flame retardant)
Voltage & Cross-Section Availability
| Voltage Rating (Uo/U) | Conductor Sizes (mm²) |
|---|---|
| 3.6/6kV | 25, 35, 50, 70, 95, 120, 150, 185 |
| 6/10kV | 25, 35, 50, 70, 95, 120, 150, 185 |
| 8.7/15kV | 25, 35, 50, 70, 95, 120 |
| 12/20kV | 25, 35, 50, 70, 95, 120, 150, 185 |
Why Choose (N)3GHSSYCY?
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VDE 0250-605 certified – internationally recognized quality standard for mining cables
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Steel wire braid armour – maximum mechanical protection for heavy-duty applications
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EPR insulation – superior electrical and thermal performance
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3+3+3 configuration – integrated earth and control conductors for simplified installation
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Monitoring conductor – enhanced safety through continuous integrity monitoring
