Anhui Feichun Special Cable Co.,Ltd Li.wang@feichuncables.com

Feichun PROTOMONT TBM Medium Voltage Reeling Cable for Use with TBMs
Feichun PROTOMONT TBM Medium Voltage Reeling Cables: Engineered for Tunnel Boring Machines in Underground Mining and Tunneling
Feichun PROTOMONT TBM Medium Voltage Reeling Cable for Use with TBMs
Application | Reeling power supply cables for tunnel boring machines (TBM) in underground mines and tunnel construction sites |
Global Data | |
Brand | PROTOMONT TBM |
Type Designation | (N)TSCGECWOEU |
Standard | Based on DIN VDE 0250-813 |
Certifications/Approvals | Fire Certificate of Russian Federation, GOST K, GOST B |
Design Features | |
Conductor | Finely stranded copper conductor, tinned (class 5) |
Control Core | In outer interstice |
PE-Conductor | Single concentric copper/textile mixed braid over every core |
Insulation | PROTOLON, Basic material: EPR, Compound type: special compound |
Electrical Field Control | Inner and outer protective layer of semiconductive rubber compound |
Core Identification | Main cores: Natural coloring with black semiconductive rubber, Control cores: Black |
Core Arrangement | Three main conductors laid-up with three control cores in the outer interstice |
Inner Sheath | Vulcanized rubber inner sheath, Basic material: EPR, Compound type: GM1B |
Monitoring Conductor | Overall concentric lay of copper wire spinning |
Outer Sheath | PROTOFIRM, synthetic elastomer compound (e.g., CR), Compound type: 5GM5, Color: Red |
Electrical Parameters | |
Rated Voltage | 3.6/6 kV, 6/10 kV, 8.7/15 kV, 12/20 kV, 14/25 kV, 18/30 kV |
Max. Permissible Operating Voltage AC | 4.2/7.2 kV, 6.9/12 kV, 10.4/18 kV, 13.9/24 kV, 17.3/30 kV, 20.8/36 kV |
Max. Permissible Operating Voltage DC | 5.4/10.8 kV, 9/18 kV, 13.5/27 kV, 18/36 kV, 22.5/45 kV, 27/54 kV |
AC Test Voltage | 11 kV, 17 kV, 24 kV, 29 kV, 36 kV, 43 kV |
Chemical Parameters | |
Resistance to Fire | EN 60332-1-2, IEC 60332-1-2 |
Resistance to Oil | EN 60811-404, IEC 60811-404 |
Weather Resistance | Unrestricted use outdoors and indoors, resistant to ozone and moisture |
Thermal Parameters | |
Max. Permissible Temp. at Conductor | 90 °C |
Max. Short Circuit Temp. of Conductor | 250 °C |
Ambient Temp. for Fixed Installation | Min: -40 °C, Max: 80 °C |
Ambient Temp. in Fully Flexible Operation | Min: -20 °C, Max: 60 °C |
Mechanical Parameters | |
Max. Tensile Load of Cable | 15 N/mm² |
Torsional Stress | 25 °/m |
Min. Bending Radii | According to DIN VDE 0298 part 3 |
Min. Distance with S-type Directional Changes | 20 x D |
Max. Travel Speed | 30 m/min |





In the demanding world of underground mining and tunnel construction, reliable power delivery is critical. Tunnel Boring Machines (TBMs), the workhorses of these industries, require cables that can withstand extreme conditions while ensuring uninterrupted operation. Feichun’s PROTOMONT TBM cM 6kV medium voltage reeling cables are designed to meet these challenges, combining advanced materials, robust construction, and compliance with international standards like DIN VDE 0250-813 and GOST approvals.
Applications of PROTOMONT TBM Cables
Feichun’s PROTOMONT TBM 6kV cables are engineered for the toughest environments in mining and tunneling. Their versatility makes them ideal for several key scenarios:
Underground Mining
TBMs in underground mines depend on a consistent power supply to operate efficiently. The PROTOMONT TBM cables are built to deliver reliable power under harsh conditions, such as high humidity, dust, and mechanical stress. Their ability to maintain performance in these environments ensures continuous operation, reducing downtime and boosting productivity.
Tunnel Construction Sites
Tunnel construction often involves dynamic reeling operations, where cables must accommodate frequent directional changes and heavy mechanical loads. These cables are designed to handle such stresses without compromising electrical performance, making them a go-to choice for complex tunneling projects.
Extreme Environments
From scorching heat to freezing cold, exposure to moisture, or contact with chemicals, the PROTOMONT TBM cables are engineered to endure. Their weatherproof and oil-resistant properties, compliant with EN 60811-404 and IEC 60811-404, ensure long-term durability and safety in the most challenging conditions.
Benefits of PROTOMONT TBM Cables
The PROTOMONT TBM 6kV cables offer several advantages that make them a preferred choice for mining and tunneling projects:
Reliability
The robust construction ensures uninterrupted operation, even in high-stress environments, minimizing downtime and maintenance costs.
Safety
Advanced insulation and electrical field control systems reduce the risk of electrical faults, enhancing operational safety.
Durability
Designed to withstand extreme conditions, these cables offer a long service life, reducing the need for frequent replacements.
Certifications
Compliance with international standards, including DIN VDE 0250-813, GOST, and Russian Fire Certificate, ensures global acceptance and trust.
Frequently Asked Questions (FAQs)
Q1: What sets PROTOMONT TBM cM cables apart from other reeling cables?
A1: These cables combine high-quality materials, advanced design, and compliance with rigorous standards like DIN VDE 0250-813 and GOST, ensuring unmatched reliability and safety in dynamic reeling applications.
Q2: Can these cables be customized?
A2: Yes, Feichun offers customization options for voltage ratings, core configurations, and environmental resistance to meet specific project requirements.
Q3: How do they perform under high mechanical stress?
A3: The finely stranded tinned copper conductors and reinforced PROTOFIRM sheathing provide excellent resistance to torsional (up to 25°/m) and tensile stresses (15 N/mm²), ensuring durability in dynamic operations.
Conclusion
Feichun’s PROTOMONT TBM cM medium voltage reeling cables are a cornerstone of modern mining and tunneling operations. Their robust design, advanced materials, and compliance with international standards make them a reliable and safe choice for powering TBMs in the harshest environments. From underground mines in South Africa to global tunneling projects, these cables deliver consistent performance, durability, and safety. For more information or to explore how Feichun can meet your project needs, visit their website or contact their team today.

Feichun Mining Cables
Durable mining cables for harsh environments and operations.
Email Address: Li.wang@feichuncables.com
© 2025. All rights reserved.


One-click to Quickly Contact
Products
Offshore & Marine Cable
XLPE Cable
Contact
Company