Feichun PROTOMONT (V) 1kV Engineered Power Solutions for Extreme Underground Mining Environments
Feichun PROTOMONT (V) 1kV: Engineered Power Solutions for Extreme Underground Mining Environments
Underground mining environments demand durable, high-performance cables capable of withstanding extreme conditions, from high tensile stresses to fluctuating temperatures.
Feichun PROTOMONT (V) 1kV cables are specifically designed to meet these challenges, offering robust solutions for powering mobile mining equipment, particularly coal cutting machines.
These cables provide exceptional mechanical resilience, high flexibility, and long-lasting reliability under harsh operational conditions.
With multinational certifications and adherence to rigorous industry standards, PROTOMONT (V) 1kV cables ensure unmatched safety and efficiency in underground mining operations.
II. Technical Specifications
A. Cable Construction and Design
| Feature | Description |
|---|---|
| Conductor | Finely stranded tinned copper conductor (Class FS) |
| Control/PE Wire | Double concentric configuration with steel/copper wire layering |
| Core Configuration | Three main power cores, color-coded (Black, Grey, Brown), plus control cores (Blue) |
| Insulation Material | PROTOLON (EPR, Compound Type 3GI3) |
| Inner Sheath | Vulcanized rubber (EPR, Compound Type GM1B) |
| Outer Sheath | PROTOFIRM synthetic elastomer (Yellow, Compound Type 5GM5) |
Conductor Characteristics
The finely stranded copper conductor enhances flexibility and provides superior conductivity. Its tinned finish improves corrosion resistance, making it suitable for humid and high-saline environments common in underground mining.
Core Arrangement
The precise lay length of approximately 6xD minimizes mechanical stresses during movement. This design enables efficient energy transfer and reduces wear.
Electrical Characteristics
| Parameter | Specification |
|---|---|
| Rated Voltage | 0.6/1 kV (600/1000V) |
| Permissible Operating Voltage (AC) | 0.7/1.2 kV |
| Permissible Operating Voltage (DC) | 0.9/1.8 kV |
| AC Test Voltage | 3 kV (Main cores), 2 kV (Control cores) |
| Conductor Resistance (20°C) | ≤ 0.108 Ω/km (185 mm² conductor size) |
B. Performance Parameters
Thermal Performance
| Condition | Temperature Range |
|---|---|
| Fixed Installation | -40°C to +80°C |
| Fully Flexible Operation | -20°C to +60°C |
Mechanical Specifications
| Parameter | Specification |
|---|---|
| Max. Tensile Load | 15 N/mm² |
| Min. Bending Radius | 2.3xDiameter at max load |
| Directional Change Distance (S) | ≥20xDiameter |
Environmental Resistance
- Fire Safety: Meets EN 60332-1-2 and IEC 60332-1-2 standards for flame retardancy.
- Chemical Resistance: Resistant to oils (EN 60811-404), ozone, and moisture.
C. Product Dimensions and Electrical Properties
| Conductor Size | Outer Diameter (mm) | Weight (kg/km) | Tensile Force (N) | Current Capacity (A) | Short Circuit Current (kA) |
|---|---|---|---|---|---|
| 3x25 mm² | 38.4 - 41.4 | 2,900 | 1,125 | 131 | 3.58 |
| 3x50 mm² | 45.4 - 48.4 | 4,300 | 2,250 | 202 | 7.15 |
| 3x95 mm² | 56 - 60 | 7,000 | 4,275 | 301 | 13.59 |
| 3x150 mm² | 66.7 - 70.7 | 10,300 | 6,750 | 404 | 21.45 |
III. Application Scenarios
Specialized Use Cases
- Mobile underground mining equipment: Designed to endure continuous movement and mechanical stress.
- Coal cutting machines: High energy efficiency and precise power delivery ensure optimal machine performance.
- Cable protection chains: Flexibility and durability reduce the risk of damage in dynamic applications.
IV. Comparative Advantages
| Feature | Advantage |
|---|---|
| Extreme Environment Performance | Operational in a wide temperature range and resistant to moisture and ozone. |
| Mechanical Resilience | Withstands significant mechanical stresses, ensuring long-term reliability. |
| Multinational Certifications | Globally approved for mining applications, ensuring compliance. |
V. Installation and Operational Considerations
Best Practices
Installation: Ensure the minimum bending radius is maintained to prevent conductor damage.
Handling: Avoid sharp bends or kinks during setup.
Operation: Monitor temperature variations to optimize performance.
Potential Challenges and Mitigation
- Mechanical Stress: Use cable handlers to minimize wear.
- Environmental Conditions: Regular maintenance ensures extended cable life.
VI. Compliance and Certifications
The Feichun PROTOMONT (V) 1kV cable complies with several key international standards, including:
- DIN VDE 0250-812: Electrical safety and performance.
- MSHA P-07-KA140034: Mining safety certification for the US.
- MA Certification: China mining approval.
- GOST K/B TR: Russian Federation compliance.
VII. Technical Support and Expert Insights
Our team offers customized recommendations for:
- Cable selection: Match the specific application requirements.
- Failure prevention: Detailed maintenance guidelines.
- Integration strategies: Seamless use with mining equipment.
VIII. Conclusion
The Feichun PROTOMONT (V) 1kV cable represents the pinnacle of engineering excellence for underground mining power systems. With its advanced design, superior materials, and robust certifications, it is the ideal choice for coal cutting machines and mobile mining applications.
For a full consultation or to access detailed data sheets, contact Feichun Technical Support today.


Note: This is just part of the standard parameters of our products. Please contact our Engineer if you need more. And the information contained within this webpage is for guidance only and is subject to change without notice or liability. All dimensions and specifications are nominal and are subject to normal manufacturing tolerances. All pictures shown are for illustration purposes only. The actual product may vary. All the information is provided in good faith and is believed to be correct at the time of publication.
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VII. Technical Support and Expert Insights