PROTOMONT (S) Reeling Cable
Feichun PROTOMONT (S) Reeling Cable: Engineered for Underground Mining with Superior Abrasion Resistance
PROTOMONT (S) Reeling Cable
Application | For frequently changing dynamic loads, such as reeling cables for scoops (LHDs) in underground mines, suitable for mono-spiral reels and cylindrical reels. High tensile strength through suspension strand and very high abrasion and tear resistance of the outer sheath. | |
Global Data | Brand | Feichun PROTOMONT(S) |
Type Designation | (N)SSHCGEOEU | |
Standard | DIN VDE 0250-812 | |
Certifications / Approvals | MA - China, Fire Certificate of Russian Federation, TR-Certificate, GOST K, GOST B | |
Design Features | Conductor | Electrolytic copper, tinned, very finely stranded (class FS) |
PE-Conductor | 3 double concentric control/earth wire spinning in outer interstices | |
Insulation | Basic material: EPR, Compound type: 3GI3 | |
Core Identification | Black, Brown, Grey | |
Core Arrangement | Three main cores stranded with three control/earth cores in outer interstices, length of lay approx. 6 x D | |
Description of Spinning | Reinforced braid of polyester threads in a vulcanized bond between inner and outer sheath, Surface covered: approx. 25% | |
Inner Sheath | Basic material: EPR, Compound type: GM1B | |
Outer Sheath | Basic material: Synthetic elastomer compound e.g. CR, Compound type: 5GM5, Color: Yellow | |
Electrical Parameters | Rated Voltage | Uo/U = 0.6/1 kV, also permitted for Uo/U = 640/1140V |
Max. Permissible Operating Voltage AC | 0.7/1.2 kV | |
Max. Permissible Operating Voltage DC | 0.9/1.8 kV | |
AC Test Voltage | 2.5 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, UV, and moisture | |
Thermal Parameters | Max. Permissible Temperature at Conductor | 90 °C |
Ambient Temperature for Fixed Installation (Min) | -40 °C | |
Ambient Temperature for Fixed Installation (Max) | 80 °C | |
Ambient Temperature in Fully Flexible Operation (Min) | -25 °C | |
Ambient Temperature in Fully Flexible Operation (Max) | 60 °C | |
Mechanical Parameters | Tensile Load on the Conductor (Max) | 30 N/mm² |
Torsional Stress | 50 °/m | |
Bending Radii (Min) | 4 x D | |
Minimum Distance with S-type Directional Changes | 20 x D | |
Travel Speed (Max) | 160 m/min | |
Additional Tests | Reversed bending test, roller bending test |
Number of cores x cross section | Part number | Conductor diameter max. (mm) | Outer diameter min. (mm) | Outer diameter max. (mm) | Net weight approx. (kg/km) | Permissible tensile force max. (N) | Conductor resistance at 20°C max. (Ω/km) | Nom. operating capacitance (µF/km) | Inductance nom. (mH/km) | Current carrying capacity (A) | Short Circuit Current (conductor) (kA) |
|---|---|---|---|---|---|---|---|---|---|---|---|
3x16+3x(1,5STKON+10/3KON) | 20025111 | 5.8 | 31.1 | 34.4 | 1748 | 1440 | 1.24 | 0.5 | 0.3 | 99 | 1.95 |
3x25+3x(1,5STKON+16/3KON) | 20025108 | 7.3 | 36.9 | 39.9 | 2409 | 2250 | 0.795 | 0.52 | 0.29 | 131 | 3.05 |
3x35+3x(1,5STKON+16/3KON) | 20024964 | 8.4 | 41.2 | 44.2 | 2676 | 3150 | 0.565 | 0.6 | 0.28 | 162 | 4.27 |
3x50+3x(1,5STKON+25/3KON) | - | 10.3 | 44.5 | 47.5 | 3800 | 4500 | 0.393 | 0.61 | 0.27 | 202 | 6.1 |
3x70+3x(1,5STKON+35/3KON) | - | 12 | 47.3 | 50.3 | 4500 | 6300 | 0.277 | 0.7 | 0.26 | 250 | 8.54 |
3x95+3x(1,5STKON+50/3KON) | - | 14 | 54.8 | 58.8 | 5300 | 8550 | 0.21 | 0.72 | 0.26 | 301 | 11.59 |
3x120+3x(1,5STKON+70/3KON) | - | 15.8 | 58.7 | 62.7 | 6100 | 10800 | 0.164 | 0.79 | 0.25 | 352 | 14.64 |
Introduction:
Imagine descending into the heart of the Earth, where temperatures soar, dust chokes the air, and massive machines claw at ancient rock faces. Underground mining isn't just an industry—it's a high-stakes ballet of human ingenuity and unyielding machinery, where every second of downtime can cost millions. At the core of this operation lies a humble yet heroic component: the reeling cable. These flexible lifelines deliver electricity to load-haul-dump (LHD) machines, drills, and ventilation systems, enduring relentless flexing, abrasion, and tensile stress.
Enter the Feichun PROTOMONT (S) Reeling Cable—a pinnacle of cable technology tailored for these brutal conditions. Compliant with DIN VDE 0250-812 standards, this cable isn't merely a conduit for power; it's a safeguard for lives and livelihoods. With certifications from MA (China), the Fire Certificate of the Russian Federation, TR-Certificate, GOST K, and GOST B, the PROTOMONT (S) Reeling Cable exemplifies global reliability.
The Crucial Role of Reeling Cables in Underground Mining
Underground mining demands equipment that can withstand dynamic chaos: machines like LHDs (scoops) zigzag through narrow tunnels, reeling in and out cables at speeds up to 160 m/min. Traditional cables falter here—succumbing to sheath tears, insulation breakdowns, or overheating—leading to outages, hazards, and ballooning repair costs. The Feichun PROTOMONT (S) Reeling Cable addresses these pain points head-on, designed specifically for trailing and reeling in mono-spiral and cylindrical reels.
Its applications span powering LHDs in gold, coal, and platinum mines, where frequent directional changes (S-type bends requiring a minimum 20x outer diameter clearance) and extreme abrasion from rocky floors are routine. Beyond mining, it's adaptable for tunneling and heavy industrial flexing, but its true mettle shines in subterranean realms. By mitigating issues like excessive wear and reduced lifespan, the PROTOMONT (S) ensures operational continuity, slashing downtime by up to 30% in high-stress setups, according to industry benchmarks.
In essence, this cable transforms vulnerability into resilience, allowing miners to focus on extraction rather than electrical emergencies.
Advantages and Problem-Solving: Why PROTOMONT (S) Excels
The PROTOMONT (S)'s advantages stem from targeted innovations. Its yellow synthetic elastomer sheath (5GM5) boasts exceptional abrasion resistance, enduring friction from gravel-strewn floors 50% longer than standard rubbers. In reeling ops, this slashes sheath damage—a top failure mode.
Mechanical stability shines via the vulcanized polyester braid, distributing dynamic tensile stress and thwarting tears during S-bends. Flexibility, courtesy of FS-class conductors and EPR, handles 160 m/min speeds without kinking, ideal for LHDs navigating 20xD turns.
Thermal performance maintains efficacy across -25°C to 60°C flexing, preventing hot-spot failures in poorly ventilated shafts. Oil and flame resistance further fortifies it against spills and sparks, reducing fire risks per IEC standards.
Overall, these traits extend cable life by 2–3x, cutting replacement costs and boosting ROI in capital-intensive mining.
Compliance and Certifications: A Global Seal of Trust
Safety isn't optional in mining—it's mandated. The PROTOMONT (S) adheres to DIN VDE 0250-812 for mining cables, ensuring robustness in explosive atmospheres. MA Certification greenlights it for Chinese coal mines, while the Russian Fire Certificate validates flame-retardant properties in Siberian depths.
TR-Certificate, GOST K, and GOST B extend approval to Eurasian markets, covering electromagnetic compatibility and environmental resilience. These aren't checkboxes; they're lifelines, proven in rigorous tests like reversed bending (simulating 10^5 cycles) and roller abrasion.
Frequently Asked Questions: Demystifying the PROTOMONT (S)
Q: What makes the PROTOMONT (S) suitable for LHDs in underground mining? A: Its FS-class tinned copper and EPR insulation provide unmatched flexibility and dielectric strength, enduring dynamic loads and S-bends up to 20xD.
Q: How does it handle extreme temperatures? A: Rated for -25°C to 60°C in flexing and up to 90°C conductor temp, it uses thermoset EPR to prevent softening or brittleness.
Q: Is the cable flame-retardant? A: Yes, compliant with EN 60332-1-2, the 5GM5 sheath self-extinguishes, minimizing fire spread in methane-prone areas.
Q: What's the bending radius, and why does it matter? A: Minimum 4x outer diameter ensures no core damage during reeling; tighter bends risk conductor fatigue.
Q: Can it resist oil and abrasion in mining? A: Absolutely—EN 60811-404 oil resistance and elastomer sheath excel against lubricants and rocky abrasion.
Q: How do I select the right size? A: Match cross-section to current (e.g., 3x50 mm² for 202A) and tensile needs, consulting the table for weight and diameter.
Q: Are replacements straightforward? A: Standardized DIN VDE 0250-812 design allows plug-and-play with existing reels, minimizing retrofit time.
Feichun PROTOMONT (S) Reeling Cable isn't just wire and rubber—it's a testament to how targeted innovation tames the untamable. From its finely stranded conductors to vulcanized reinforcements, every element combats the underground's fury, delivering robust power with reliable grace. As seen in South Africa's platinum heartlands, it doesn't merely endure; it elevates operations, enhancing safety and efficiency.
In an era of deepening shafts and smarter machines, cables like PROTOMONT (S) will light the way forward, ensuring mining's vital role in global supply chains persists sustainably.
Call to Action: Ready to reel in greater reliability? Contact Feichun's experts for a tailored PROTOMONT (S) quote and propel your underground mining into a safer tomorrow.
