Feichun BS 6708 PROTOMONT Type 7, Type 7M, Type 7S, Type 11 Trailing Cables: Engineered for Extreme Underground Mining Conditions
Feichun BS 6708 PROTOMONT Type 7, Type 7M, Type 7S, Type 11 Trailing Cables: Engineered for Extreme Underground Mining Conditions
Underground mining environments are unforgiving, demanding resilience, efficiency, and adaptability from every component used in operations. The Feichun BS 6708 PROTOMONT Trailing Cable series (Type 7, Type 7M, Type 7S, Type 11) stands out as a leader in power transmission solutions, offering unmatched durability and performance.
Designed to meet the rigorous requirements of British Standard BS 6708, these cables ensure consistent power supply and operational safety in even the harshest conditions.
Product Overview
The PROTOMONT Trailing Cable series has been specifically engineered to address the challenges posed by underground mining. These cables provide superior resistance to mechanical stresses, harsh environmental conditions, and high levels of wear and tear.
Whether powering coal cutters, mobile equipment, or operating in cable handlers, these cables are trusted by industry professionals globally.
Application Spectrum
Critical Industrial Deployment
The PROTOMONT series supports a wide range of applications, including:
- Underground mining power distribution: Ideal for powering large machinery and conveyor systems.
- Coal cutting equipment: Designed for uninterrupted energy flow in high-dust environments.
- Cable chain (cable handler) systems: Offers flexibility and strength for continuous movement.
- Mobile mining machinery: Handles dynamic motion and vibration without compromising durability.
- Harsh environment power transmission: Performs efficiently under high mechanical stress, extreme temperatures, and moisture exposure.
Technical Specification Highlights
Variant Configurations
| Cable Type | Design Features | Special Use Cases |
|---|---|---|
| Type 7 | Standard configuration | General underground power supply |
| Type 7M | Enhanced mechanical and thermal resistance | High-stress mining applications |
| Type 7S | Customizable design for specialized equipment | Continuous mining machinery |
| Type 11 | Advanced protective features, including copper/nylon braiding | Extreme mechanical stress environments |
Electrical Characteristics
| Parameter | Value |
|---|---|
| Rated Voltage | 640/1100 V |
| Maximum AC Operating Voltage | 0.7/1.2 kV |
| Maximum DC Operating Voltage | 0.9/1.8 kV |
| AC Test Voltage | 3 kV |
Conductor Engineering
The cables feature finely-stranded Class 5 tinned copper conductors, known for their excellent conductivity and flexibility.
| Feature | Details |
|---|---|
| Material | Tinned copper |
| Core Configuration | Three-core with centralized earth core |
| Maximum Tensile Load | 15 N/mm² |
Advanced Protection Features
Environmental Resistance
The PROTOMONT series is built to withstand extreme environments:
- Fire resistance: Complies with EN 60332-1-2 and IEC 60332-1-2 standards.
- Oil and ozone resistance: Ensures long-lasting performance under exposure to industrial lubricants and atmospheric ozone.
- Moisture resistance: Suitable for damp underground conditions, maintaining reliability.
| Temperature Range | Condition |
|---|---|
| Fixed Installation | -40°C to +80°C |
| Fully Flexible Operation | -25°C to +60°C |
Insulation and Sheathing
The outer sheath, made of PROTOFIRM Chloroprene Rubber (CR), provides robust mechanical protection.
| Layer | Material | Key Feature |
|---|---|---|
| Core Insulation | Ethylene Propylene Rubber (EPR) | Exceptional thermal performance |
| Outer Sheath | Chloroprene Rubber (CR) | High abrasion resistance |
Screening and Electromagnetic Compatibility
Advanced Screening Technology
The cables are equipped with composite copper/nylon braids to protect against electromagnetic interference (EMI), ensuring stable performance even in high-frequency environments.
| Screening Material | Function |
|---|---|
| Copper/Nylon Braid | EMI protection |
Certification and Compliance
The PROTOMONT series complies with stringent international standards, ensuring reliability and safety:
| Certification | Region |
|---|---|
| MA Certification | China |
| MSHA P-07-KA130007 Approval | USA |
| British Standard BS 6708 | Global compliance |
Performance Optimization Considerations
Engineering Recommendations
For optimal performance, adhere to the following installation and maintenance practices:
| Action | Guidance |
|---|---|
| Installation | Follow BS 6708 guidelines and manufacturer's instructions. |
| Visual Inspections | Check for wear, abrasion, and mechanical damage regularly. |
| Electrical Testing | Perform periodic insulation and continuity tests. |
Specialized Use Cases
The PROTOMONT series excels in environments characterized by:
- High mechanical stress: Ideal for vibrating machinery and dynamic equipment.
- Extreme temperatures: Maintains performance in hot and cold underground settings.
- Moist environments: Excellent moisture resistance for continuous operation.
Key Benefits for Customers
The PROTOMONT series solves critical problems for mining operations, offering:
Unmatched durability: Withstand mechanical stress and abrasion for extended lifespans.
Enhanced safety: Fire-resistant and moisture-resistant properties reduce operational hazards.
Ease of installation: Flexible design ensures smooth deployment and maintenance.
Compliance assurance: Fully meets BS 6708 and other international standards, simplifying procurement.
Conclusion
The Feichun BS 6708 PROTOMONT Trailing Cable series (Type 7, Type 7M, Type 7S, Type 11) delivers top-tier performance, reliability, and safety for underground mining operations. Designed to thrive in the harshest environments, these cables are the ultimate choice for mining engineers seeking durability and efficiency.
For additional details, reach out to Feichun Cable’s expert team. Every mining challenge has a solution—this is it.


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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