Complete Technical Guide to 10kV Medium Voltage Power Distribution Cables — N2XSY, N2XS2Y, NA2XSY, XHIE/LXHIE, IEC 60502-2, 6/10kV cable, 10kV cable, N2XSY, N2XS2Y, (N)TSCGEWÖU, (N)TSKCGEWÖU, (N)3GHSSYCY, mining cable, reeling cable, trailing cable, submersible cable, XLPE cable, EPR cable, IEC 60502-2, DIN VDE 0250, DIN VDE 0276
Anhui Feichun Special Cable Co., Ltd.
安徽飞纯特种电缆有限公司
What is 6/10kV Cable?
Complete Technical Guide to 10kV Medium Voltage Power Distribution, Mining Reeling & Trailing Cables — N2XSY, (N)TSCGEWÖU, (N)TSKCGEWÖU, (N)3GHSSYCY, IEC 60502-2, DIN VDE 0250-813 Standards
1. Introduction to 6/10kV Medium Voltage Cables
The 6/10kV voltage rating represents one of the most widely used medium voltage cable classifications for power distribution networks worldwide. These cables serve as the backbone of industrial power systems, connecting generation units to distribution networks and providing power to manufacturing plants, commercial buildings, and infrastructure projects. The 6/10kV designation indicates cables designed for systems where the phase-to-earth voltage (U₀) is 6kV and the phase-to-phase voltage (U) is 10kV, with a maximum system voltage (Um) of 12kV according to IEC 60502-2.
In addition to standard power distribution cables, the 6/10kV voltage class also includes specialized cables for demanding applications such as mining operations, crane reeling systems, and submersible installations. These specialized cables are manufactured to DIN VDE 0250-813 and related standards, featuring flexible rubber construction capable of withstanding extreme mechanical stresses including high-speed reeling, torsional loads, and harsh environmental conditions.
U₀ (Phase to Earth)
U (Phase to Phase)
Um (Maximum System)
Test Voltage
EspañolIntroducción a los Cables de Media Tensión 6/10kV
La clasificación de tensión 6/10kV representa una de las clasificaciones de cables de media tensión más utilizadas para redes de distribución de energía en todo el mundo. Además de los cables de distribución estándar, la clase de tensión 6/10kV también incluye cables especializados para aplicaciones exigentes como operaciones mineras, sistemas de enrollado de grúas e instalaciones sumergibles. Estos cables especializados se fabrican según DIN VDE 0250-813 y estándares relacionados, con construcción de caucho flexible capaz de soportar tensiones mecánicas extremas.
繁體中文6/10kV 中壓電纜簡介
6/10kV電壓等級代表全球配電網絡中最廣泛使用的中壓電纜分類之一。除了標準配電電纜外，6/10kV電壓等級還包括用於礦山作業、起重機捲線系統和潛水安裝等要求苛刻應用的專用電纜。這些專用電纜按照DIN VDE 0250-813及相關標準製造，採用柔性橡膠結構，能夠承受極端機械應力，包括高速捲線、扭轉負載和惡劣環境條件。
2. 6/10kV Cable Categories Overview
6/10kV medium voltage cables are divided into two main categories based on their construction and application: fixed installation power distribution cables and flexible mining/reeling cables. Each category is governed by different standards and designed for specific operational requirements.
| Category | Standards | Construction | Applications |
|---|---|---|---|
| Fixed Installation Power Distribution Cables | |||
| N2XSY / NA2XSY Series | IEC 60502-2, DIN VDE 0276-620, HD620 | Class 2 conductor, XLPE insulation, Cu screen, PVC/PE/LSZH sheath | Substations, industrial plants, underground distribution |
| Flexible Mining & Tunnelling Cables | |||
| (N)3GHSSYCY / (N)3GHSSHCH | DIN VDE 0250-605 | Class 5 flexible Cu, EPR insulation, steel wire braid, PVC/LSZH sheath | Underground mining, tunnelling, feeder cables |
| (N)TMCGEWÖU | DIN VDE 0250 | Class 5 tinned Cu, EPR insulation, Cu screen, rubber sheath | Short-length transformer connections, switchgear |
| Flexible Reeling & Trailing Cables | |||
| (N)TSCGEWÖU Series | DIN VDE 0250-813 | Class 5/FS tinned Cu, EPR insulation, PCP rubber sheath | High-speed reeling, container cranes, excavators |
| (N)TSKCGEWÖU | DIN VDE 0250-813 | As above + fibre optic cores + anti-torsion braid | Data transmission + power, high-speed cranes |
| (N)TSCGECEWÖU Series | DIN VDE 0250 | Enhanced flexibility, individual Cu wire braid earth | Monospiral drum reeling, trailing operations |
3. Mining & Tunnelling Cables: (N)3GHSSYCY / (N)3GHSSHCH
The (N)3GHSSYCY and (N)3GHSSHCH cables are flexible medium voltage energy supply cables designed specifically for underground mining and tunnelling applications. These cables are manufactured according to DIN VDE 0250-605 standard and feature optimised insulation wall thickness, robust multi-layer construction, and monitoring capabilities essential for hazardous environments.
The (N)3GHSSYCY cable is designed for power supply to medium voltage equipment in underground mining and tunnelling operations. It features a PVC outer sheath (YM5 type) with steel wire braid armour and monitoring conductor for damage detection. The cable allows effective monitoring of outer damage—an invaluable property given the hazardous environments in which this cable operates.
| Voltage Rating | 3.6/6kV, 6/10kV, 8.7/15kV, 12/20kV |
| Test Voltage (6/10kV) | 17 kV |
| Phase Conductor | Class 5 flexible copper (VDE 0295 / IEC 60228) |
| Insulation | Rubber compound Type 3GI3 (DIN VDE 0207 Part 20) |
| Semi-Conductive Layers | Tape over conductor + inner/outer rubber layers on insulation |
| Earth Conductor | Individual copper screen per core |
| Armour | Steel wire braid over second inner sheath |
| Monitoring Conductor | Copper wire between inner sheaths |
| Outer Sheath | PVC Type YM5 |
| Max. Conductor Temp. | +90°C |
| Short Circuit Temp. | +250°C |
| Ambient Temp. (Fixed) | -40°C to +80°C |
| Ambient Temp. (Flexed) | +5°C to +80°C |
| Min. Bending Radius (Fixed) | 6 × overall diameter |
| Min. Bending Radius (Flexed) | 10 × overall diameter |
| Max. Tensile Load | 15 N/mm² |
Source: Eland Cables – N3GHSSYCY Cable
The (N)3GHSSHCH cable is the halogen-free variant featuring LSZH (Low Smoke Zero Halogen) sheathing for enhanced fire safety in confined underground spaces. It provides superior flame retardancy, EPR rubber insulation, copper wire braid screen, and robust steel wire braid armour for underground mining, tunnelling, and heavy-duty mobile equipment applications where low smoke emission is critical.
| Voltage Rating | 3.6/6kV, 6/10kV, 8.7/15kV, 12/20kV |
| Standard | DIN VDE 0250-605 |
| Insulation | EPR Rubber (3GI3) |
| Screen | Copper wire braid |
| Armour | Steel wire braid |
| Outer Sheath | LSZH (Halogen-free) |
| Fire Performance | Low smoke, zero halogen, flame retardant |
Source: Eland Cables – N3GHSSHCH Cable
4. Reeling & Trailing Cables: (N)TSCGEWÖU Series
The (N)TSCGEWÖU series represents the industry standard for medium voltage flexible reeling cables, manufactured according to DIN VDE 0250-813. These cables are designed for high-speed reeling operations on container cranes, ship-to-shore cranes, stacker-reclaimers, and large mining excavators. The cable construction features Class FS (finely stranded) tinned copper conductors, high-grade EPR insulation (Protolon HS), and robust PCP rubber sheathing capable of withstanding extreme mechanical stresses.
The (N)TSCGEWÖU cable is a flexible medium voltage reeling cable for connection of large material handling machines such as excavators, dumpers, and crushers in open-cast mines. Cables are suitable for high mechanical stresses in conjunction with mono-spiral reels and cylindrical reels. The cable configuration is 3+3 (3 power cores + 3 earth cores positioned in interstices).
| Voltage Rating | 3.6/6kV, 6/10kV, 8.7/15kV, 12/20kV, 18/30kV |
| Standard | DIN VDE 0250-813 |
| Conductor | Electrolytic copper tinned, very finely stranded Class FS (DIN VDE 0295) |
| Insulation | Protolon HS – High grade EPR (at least 3GI3, DIN VDE 0207 Part 20) |
| Electrical Field Control | Inner semiconductive EPR layer, outer semiconductive modified NBR (Easy Strip design) |
| Core Arrangement | 3+3 configuration: 3 power cores + 3 earth conductors in interstices |
| Inner Sheath | EPR compound (Protofirm), quality 5GM3 (water barrier), red colour |
| Outer Sheath | PCP (Polychloroprene) rubber, quality 5GM5, abrasion/tear resistant, red/bright red |
| Max. Conductor Temp. | +90°C |
| Short Circuit Temp. | +250°C |
| Ambient Temp. (Fixed) | -50°C to +80°C |
| Ambient Temp. (Flexed) | -35°C to +80°C |
| Max. Tensile Load | 30 N/mm² (DIN VDE 0298-3: 15 N/mm²) |
| Max. Torsional Stress | ±25°/m |
| Travel Speed (Gantry) | No restriction (consult for >240 m/min) |
Source: Eland Cables – (N)TSCGEWÖU Cable
(N)TSCGEWÖU Variants for Specialized Applications
| Cable Model | Voltage | Special Features | Applications |
|---|---|---|---|
| (N)TSCGEWÖU | 3.6/6kV – 18/30kV | Standard construction, PCP sheath | Excavators, crushers, open-cast mining |
| (N)TSCGEWÖU FO | 3.6/6kV, 6/10kV | Fibre Optic 50/125, 62.5/125 multimode or 9/125 single-mode | Power + data transmission, automated cranes |
| (N)TSCGEWÖU ATB | 3.6/6kV, 6/10kV | Anti-Torsion Braid Polyester reinforced | High torsional stress, festoon systems |
| (N)TSCGEWÖU ZH | 3.6/6kV, 6/10kV | Zero Halogen PUR inner/outer sheath | Tunnels, underground, fire-sensitive areas |
| (N)TSCGEWÖU Sub | 3.6/6kV, 6/10kV | Submersible EPR inner + CM outer (up to 300m depth) | Dredgers, floating docks, submersible pumps |
| R-(N)TSCGEWÖU | 3.6/6kV – 12/20kV | Reduced dimension festoon cable | Space-constrained reeling applications |
| R-(N)TSCGEWÖU + FO | 3.6/6kV – 12/20kV | FO Reduced dimension + fibre optic | Compact automated systems |
5. (N)TSKCGEWÖU – Reeling Cable with Integrated Fibre Optics
The (N)TSKCGEWÖU cable represents the advanced evolution of medium voltage reeling cables, featuring integrated fibre optic cores for simultaneous power and data transmission. This cable is designed for combined energy and data transmission under high to extreme mechanical stresses including high travel speeds, dynamic tensile loads, multiple changes of direction into different planes, churning on running over rollers, and torsional stresses.
The (N)TSKCGEWÖU offers the mechanical protection and robust construction required for frequent high-speed reeling with integrated data transmission capability. It is often used in cranes, hoists, and conveyors. These power and fibre cables are designed for opencast and sub-surface mining applications and in heavy industry marine applications under torsional stress of up to ±25°/m and tensile stresses of 30 N/mm² across different planes.
| Voltage Rating | 3.6/6kV, 6/10kV, 8.7/15kV, 12/20kV |
| Standard | DIN VDE 0250-813 |
| Core Configuration | 3+3+FO: 3 power cores + flexible earth conductor + fibre optic cores |
| Fibre Optic Options | 50/125 multimode, 62.5/125 multimode, 9/125 single-mode |
| Conductor | Electrolytic copper tinned, Class FS finely stranded |
| Insulation | Protolon HS high grade EPR (3GI3) |
| Anti-Torsion Protection | Reinforced polyester braid vulcanized between sheaths |
| Sheath System | Protofirm Sandwich: double layer EPR inner (5GM3) + PCP outer (5GM5) |
| Sheath Colour | Bright red / Red |
| Max. Torsional Stress | ±25°/m |
| Max. Tensile Load | 30 N/mm² |
| Travel Speed | Up to 300 m/min (consult for >240 m/min) |
| Applications | Fast-moving container cranes, STS cranes, RTG cranes, automated port equipment |
6. (N)TSCGECEWÖU Series – Enhanced Flexibility Reeling Cables
The (N)TSCGECEWÖU range is designed for monospiral drum reeling and trailing operations where enhanced flexibility is required compared to the standard (N)TSCGEWÖU cables. The key differentiator is the Protective Earth Conductor construction using individual copper wire braid for added safety. These cables are manufactured according to DIN VDE 0250 and are available in voltages ranging from 3.6/6kV through to 18/30kV.
The (N)TSCGECEWÖU cable is designed for monospiral drum reeling and trailing operations in opencast mining and sub-surface mining applications. It features enhanced flexibility with individual copper wire braid earth conductor for improved safety performance.
| Voltage Rating | 3.6/6kV, 6/10kV, 8.7/15kV, 12/20kV, 18/30kV |
| Test Voltage (6/10kV) | 17 kV |
| Standard | DIN VDE 0250 |
| Conductor | Class 5 tinned copper (IEC 60228) |
| Insulation | EPR rubber Type 3GI3 (DIN VDE 0207 Part 20) |
| Semi-Conductive Layers | Tape over conductor + inner/outer layers on insulation |
| Earth Conductor | Individual copper wire braid (enhanced safety) |
| Sheath | Halogen-free flame-retardant rubber |
| Conductor Sizes | 25mm² to 150mm² |
(N)TSCGECEWÖU Variants
| Cable Model | Voltage | Special Features | Applications |
|---|---|---|---|
| (N)TSCGECEWÖU | 3.6/6kV, 6/10kV | Standard enhanced flexibility | Monospiral drum reeling, trailing |
| (N)TSCGECEWÖU ATB | 3.6/6kV, 6/10kV | Anti-Torsion Braid | High torsional stress operations |
| (N)TSCGECEWÖU ATB GCC | 1.8/3kV – 6/10kV | ATB Ground Check | Mining with earth continuity monitoring |
| (N)TSCGECEWÖU Sub | 3.6/6kV, 6/10kV | Submersible | Underwater operations, dredging |
| (N)TSCGECECWÖU | 3.6/6kV, 6/10kV | Enhanced construction for TBM | Tunnel boring machine power supply |
| (N)TSCGECECWÖU ZH | 3.6/6kV, 6/10kV | Zero Halogen | Tunnel construction, fire-safe areas |
7. (N)TMCGEWÖU – Single Core Flexible MV Cable
The (N)TMCGEWÖU is a flexible medium voltage single-core power cable manufactured according to DIN VDE 0250 standards. Unlike the multi-core reeling cables, this single-core design is primarily used for short-length connections to transformers, switchgear cubicles, and mobile transformer substations. It provides the same robust EPR insulation and halogen-free rubber sheathing as the reeling cable family but in a single-core configuration suitable for fixed power supply installations in mining and heavy industrial environments.
| Voltage Rating | 3.6/6kV, 6/10kV, 8.7/15kV |
| Standard | DIN VDE 0250 |
| Construction | Single core |
| Conductor | Class 5 flexible tinned copper |
| Insulation | EPR rubber |
| Screen | Copper wire screen |
| Sheath | Halogen-free rubber compound |
| Applications | Switchgear connections, mobile transformer substations, overhead line connections, conveyor power feeds |
Source: NPC Electric – Mining Cable
8. DIN VDE 0250 Cable Nomenclature Decoder
Understanding the cable type designation is essential for correct specification of mining and reeling cables. The DIN VDE 0250-813 nomenclature system uses a series of letter codes to describe the cable construction from the inside out.
⛏️ Mining/Reeling Cable Nomenclature
| (N) | German standard cable |
| T | Trailing/Reeling application |
| S | Copper screen |
| C | Metallic conductive layer |
| K | Crisscross spacer / Kevlar reinforcement |
| G | Rubber compound |
| E | Earth conductor |
| CE | Concentric earth conductor |
| W | Weather/water resistant |
| Ö | Oil resistant |
| U | Suitable for outdoor use |
🏗️ Additional Feature Codes
| FO | Fibre Optic cores integrated |
| ATB | Anti-Torsion Braid |
| ZH | Zero Halogen (halogen-free) |
| Sub | Submersible (underwater use) |
| GCC | Ground Check Conductor |
| R- | Reduced dimension |
| M | Single core (Mono) |
| 3G | Three cores with earth |
| H | Halogen-free sheath |
| Y | PVC sheath |
9. Fixed Installation Cables: N2XSY / N2XS2Y Series
For fixed power distribution applications, the N2XSY and N2XS2Y series cables represent the standard choice for 6/10kV installations. These cables are manufactured according to IEC 60502-2 and DIN VDE 0276-620 standards, featuring Class 2 stranded conductors, XLPE insulation, and copper wire/tape screening.
| Cable Model | Conductor | Insulation | Sheath | Applications |
|---|---|---|---|---|
| N2XSY | Cu Class 2 | XLPE | PVC | Indoor/outdoor, cable ducts |
| N2XS2Y | Cu Class 2 | XLPE | PE | Direct burial, external |
| N2XS(F)2Y | Cu Class 2 | XLPE | PE | Wet locations, waterblocked |
| N2XSH | Cu Class 2 | XLPE | LSZH | Public buildings, tunnels |
| N2XSEY | Cu Class 2 | XLPE | PVC | 3-core industrial |
| NA2XSY | Al Class 2 | XLPE | PVC | Cost-effective distribution |
Source: Eland Cables – N2XSY Cable
10. Application Summary
| Application | Recommended Cable Types | Key Requirements |
|---|---|---|
| Underground Mining | (N)3GHSSYCY, (N)3GHSSHCH, (N)TSCGECEWÖU | Damage monitoring, flame retardant, steel armour |
| Tunnel Construction | (N)3GHSSHCH, (N)TSCGECECWÖU ZH, (N)TSCGEWÖU ZH | Zero halogen, TBM power supply, low smoke |
| Container Cranes | (N)TSCGEWÖU, (N)TSKCGEWÖU, R-(N)TSCGEWÖU | High-speed reeling, fibre optic, anti-torsion |
| Open-Cast Mining | (N)TSCGEWÖU, (N)TSCGECEWÖU | Excavators, dumpers, crushers, high tensile |
| Stacker-Reclaimers | (N)TSKCGEWÖU, (N)TSCGEWÖU FO | Power + data, automated operation |
| Submersible/Dredging | (N)TSCGEWÖU Submersible, (N)TSCGECEWÖU Sub | Up to 300m depth, CM sheath, water resistant |
| Fixed Distribution | N2XSY, N2XS2Y, NA2XSY, N2XSEY | Substations, underground, direct burial |
11. Feichun Cable 6/10kV Product Range
Anhui Feichun Special Cable Co., Ltd. (安徽飞纯特种电缆有限公司) manufactures a comprehensive range of 6/10kV medium voltage cables for power distribution, mining, reeling, and industrial applications. Our product range covers both fixed installation XLPE cables to IEC 60502-2/DIN VDE 0276-620 standards and flexible EPR rubber cables to DIN VDE 0250-813 standards.
EspañolGama de Productos Feichun Cable 6/10kV
Anhui Feichun Special Cable Co., Ltd. fabrica una gama completa de cables de media tensión 6/10kV incluyendo cables de instalación fija (N2XSY, N2XS2Y), cables de minería y túneles ((N)3GHSSYCY, (N)3GHSSHCH), cables de enrollado y arrastre ((N)TSCGEWÖU, (N)TSKCGEWÖU), y cables sumergibles. Todos los productos cumplen con los estándares IEC 60502-2, DIN VDE 0276-620 y DIN VDE 0250-813.
繁體中文飛純電纜 6/10kV 產品系列
安徽飛純特種電纜有限公司生產全系列6/10kV中壓電纜，包括固定安裝電纜（N2XSY、N2XS2Y）、礦用隧道電纜（(N)3GHSSYCY、(N)3GHSSHCH）、捲筒拖曳電纜（(N)TSCGEWÖU、(N)TSKCGEWÖU系列）、以及潛水電纜。所有產品均符合IEC 60502-2、DIN VDE 0276-620和DIN VDE 0250-813標準。捲筒電纜適用於集裝箱起重機、挖掘機、堆取料機等高速捲線應用，可承受高達±25°/m的扭轉應力和30 N/mm²的拉伸負載。
Authoritative External References
https://www.elandcables.com/cables/ntscgewou-cable
https://www.elandcables.com/cables/ntskcgewou-cable
https://www.elandcables.com/cables/n-tscgecewou-cables-en
https://www.elandcables.com/cables/n3ghssycy-cable
https://www.elandcables.com/cables/n-3ghsshch-cables
https://www.elandcables.com/…/vde0250-cable
https://www.powerandcables.com/…/protolon-cable-ntskcgewoeu/
https://www.powerandcables.com/…/mining-cables/
https://tratosgroup.com/…/din-vde-250-part-813/
https://www.npcelectric.com/…/mining-cable
https://www.elandcables.com/cables/n2xsy…
https://www.elandcables.com/…/10kv-cable
Contact Feichun Cable
For technical support with 6/10kV medium voltage cables, mining reeling cables, or custom cable designs, please contact our engineering team.
