Feichun PROTOMONT Type 307, Type 307M, Type 307S Series: Specialized Flexible Rubber Trailing Cables for Underground Mining Operations
Feichun PROTOMONT Type 307, Type 307M, Type 307S Series: Specialized Flexible Rubber Trailing Cables for Underground Mining Operations
The Feichun PROTOMONT Type 307 Series sets the gold standard for flexible rubber trailing cables, meticulously engineered to meet the tough demands of underground mining operations.
Designed to excel in environments with extreme mechanical, thermal, and electrical stress, these cables offer unparalleled performance and durability.
Certified under British Standard BS 6708, the Type 307, Type 307M, and Type 307S ensure safe, reliable, and efficient power transmission, keeping critical mining operations running smoothly.
Product Range
Model Variants
| Model | Key Features | Ideal Applications |
|---|---|---|
| Type 307 | Standard configuration for underground mining power transmission | Motors, pumps, and distribution boards |
| Type 307M | Modified design with enhanced performance in extreme conditions | Coal cutters and cable chain systems |
| Type 307S | Special application variant with advanced protective features | High-flexibility applications in mining |
Each variant is tailored to specific operational challenges, giving you the flexibility to choose a solution that aligns with your unique mining needs.
Key Technical Specifications
Electrical Characteristics
| Specification | Value |
|---|---|
| Rated Voltage | 1.9/3.3 kV |
| Maximum AC Voltage | 2.1/3.6 kV |
| Maximum DC Voltage | 2.7/5.4 kV |
| AC Test Voltage | 6 kV |
These electrical properties ensure stable and secure power transmission even under fluctuating load conditions.
Conductor Specifications
| Specification | Details |
|---|---|
| Material | Finely-stranded, tinned copper (Class 5) |
| Compliance | BS 6360 |
| Maximum Tensile Load | 15 N/mm² |
The tinned copper conductors ensure excellent conductivity, corrosion resistance, and long service life.
Advanced Design Features
Insulation
| Specification | Details |
|---|---|
| Material | PROTOLON (based on Ethylene Propylene Rubber, or EPR) |
| Color Coding | Red, Yellow, Brown for power cores; Blue for the pilot core |
The use of PROTOLON insulation ensures superior thermal resistance and electrical integrity, even in high-temperature environments.
Outer Sheath
| Specification | Details |
|---|---|
| Material | PROTOFIRM (Chloroprene Rubber, or CR) |
| Color | Red |
| Special Features | Ozone and moisture resistance; excellent mechanical protection |
The rugged outer sheath provides resilience against abrasion, oil, and harsh weather conditions.
Critical Performance Parameters
| Parameter | Value |
|---|---|
| Maximum Conductor Temp. | 90°C |
| Short Circuit Temp. | 250°C |
| Fixed Installation Temp. | -40°C to 80°C |
| Flexible Operation Temp. | -25°C to 60°C |
| Fire Resistance | EN 60322-1-2, IEC 60322-1-2 |
| Oil Resistance | EN 60811-404, IEC 60811-404 |
These specifications ensure the cables perform consistently under extreme environmental and operational stresses.
Primary Applications
| Application | Challenges Solved |
|---|---|
| Underground Mining Motors and Equipment | Reliable power delivery in confined, harsh environments |
| Coal Cutters and Cable Chains | Flexibility to handle dynamic routing while ensuring mechanical integrity |
| High-Vibration Operations | Stability and resistance to mechanical fatigue |
| Extreme Temperature Power Transmission | Superior insulation and sheath materials withstand wide temperature variations |
Potential User Challenges and Feichun Solutions
| Challenge | Feichun Solution |
|---|---|
| Mechanical Stress | Finely-stranded copper conductors and advanced rubber sheathing provide enhanced mechanical flexibility |
| Temperature Extremes | EPR insulation and CR sheath ensure stable performance from -40°C to 80°C |
| Electrical Failures | High-voltage testing (up to 6 kV) and compliance with international standards guarantee reliable operation |
| Moisture and Ozone Damage | Weather-resistant materials prevent degradation, ensuring durability in challenging underground conditions |
Comparative Advantages
| Feature | Feichun Advantage |
|---|---|
| Temperature Resistance | Operates in a wide range, making it suitable for diverse climates |
| Environmental Resilience | Resists oil, moisture, and ozone for extended service life |
| Flexibility | Optimized for tight routing and complex underground cable paths |
| Safety Certifications | MA (China), MSHA (USA), and BS 6708 compliant |
Recommended Installation Practices
Pre-Installation
- Inspect cables for any visible damage.
- Verify compatibility with voltage and current requirements.
During Installation
- Maintain a bending radius as per DIN VDE 0298 Part 3 guidelines.
- Protect cables from direct mechanical impacts.
Post-Installation
- Conduct electrical performance tests to ensure stability.
- Perform routine visual inspections for signs of wear or stress.
Customer Benefits
- Long-Term Cost Savings: Reduced maintenance and extended service life.
- Enhanced Safety: Robust insulation and multiple certifications ensure operational security.
- Operational Efficiency: Reliable power delivery reduces downtime.
The Feichun PROTOMONT Type 307 Series is the ultimate choice for mining operators seeking reliable, durable, and flexible power transmission solutions. Designed with the harshest underground environments in mind, these cables provide exceptional performance, unmatched durability, and unparalleled safety standards.
For more information on Feichun PROTOMONT Type 307, Type 307M, and Type 307S, or to discuss your specific application requirements, contact our technical team 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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