Feichun PROTOMONT (V) 1kV Coal Cutter Cables for Chain Operation
Advanced PROTOMONT (V) 1kV Coal Cutter Cables Designed for Chain Operation in Underground Mining
PROTOMONT (V) 1kV Coal Cutter Cables for Chain Operation
Product | PROTOMONT (V) 1kV Coal Cutter Cables for Chain Operation |
Application | Power supply connection cable for mobile equipment in underground mining, such as coal cutting machines. Designed for use in cable protection chains to absorb tensile forces. |
Global Data | |
Brand | Feichun PROTOMONT (V) |
Type Designation | NSSHKCGEOEU |
Standard | DIN VDE 0250-812 |
Certifications/Approvals | MA – China, MSHA P-07-KA140034-MSHA, BAS - Bosnia-Herzegovina, Fire Certificate of Russian Federation, GOST K, GOST B, TR Certificate |
Design Features | |
Conductor | Finely stranded copper conductor, tinned (class FS) |
PE-Conductor | Double concentric control/PE wire spinning in outer interstices |
Insulation | PROTOLON, Basic material: EPR, Compound type: 3GI3 |
Electrical Field Control | Cold strippable outer layer of semiconductive rubber compound |
Core Identification | Main cores: Colored (Black, Grey, Brown); Control cores: Blue |
Core Arrangement | Three main cores laid-up, with double concentric control/PE conductor elements in the outer interstice, length of lay approx. 6xD |
Description of Spinning | Closed lay spinning of steel/copper wires in a vulcanized bond between inner and outer sheath |
Inner Sheath | Vulcanized rubber inner sheath, Basic material: EPR, Compound type: GM1B |
Outer Sheath | PROTOFIRM, Basic material: Synthetic elastomer compound (e.g., CM), Compound type: 5GM5, Color: Yellow |
Electrical Parameters | |
Rated Voltage | 0.6/1 kV (600/1000V) |
Max. Permissible Operating Voltage AC | 0.7/1.2 kV |
Max. Permissible Operating Voltage DC | 0.9/1.8 kV |
AC Test Voltage | 3 kV |
AC Test Voltage - Control Cores | 2 kV |
Chemical Parameters | |
Resistance to Fire | EN 60332-1-2, IEC 60332-1-2 |
Resistance to Oil | According to EN 60811-404, IEC 60811-404 |
Weather Resistance | Unrestricted use outdoors and indoors, resistant to ozone and moisture |
Thermal Parameters | |
Ambient Temp. for Fixed Installation (Min) | -40 °C |
Ambient Temp. for Fixed Installation (Max) | 80 °C |
Ambient Temp. in Fully Flexible Operation (Min) | -20 °C |
Ambient Temp. in Fully Flexible Operation (Max) | 60 °C |
Mechanical Parameters | |
Tensile Load on the Conductor (Max) | 15 N/mm² |
Bending Radii (Min) | 2.3 x D at a tensile load of max. 5 N/mm² |
Bending Radii (Min) | According to DIN VDE 0298 part 3 |
Minimum Distance with S-type Directional Changes | 20 x D |
Number of cores x cross section | 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 (1) A | Short Circuit Current (conductor) kA 0.6/1 kV |
|---|---|---|---|---|---|---|---|---|---|---|
3x25+3x(1,5STKON +16/3KON) | 7.1 | 38.4 | 41.4 | 2900 | 1125 | 0.795 | 0.36 | 0.33 | 131 | 3.58 |
3x35+3x(1,5STKON +16/3KON) | 8.4 | 40 | 43 | 3300 | 1575 | 0.565 | 0.42 | 0.3 | 162 | 5.01 |
3x50+3x(1,5STKON +25/3KON) | 10.1 | 45.4 | 48.4 | 4300 | 2250 | 0.393 | 0.45 | 0.28 | 202 | 7.15 |
3x70+3x(1,5STKON +35/3KON) | 11.9 | 48.8 | 52.8 | 5400 | 3150 | 0.277 | 0.52 | 0.27 | 250 | 10.01 |
3x95+3x(1,5STKON +50/3KON) | 14 | 56 | 60 | 7000 | 4275 | 0.21 | 0.55 | 0.27 | 301 | 13.59 |
3x120+3x(1,5STKON +70/3KON) | 15.5 | 60.3 | 64.3 | 8600 | 5400 | 0.164 | 0.6 | 0.26 | 352 | 17.16 |
3x150+3x(1,5STKON +70/3KON) | 17.2 | 66.7 | 70.7 | 10300 | 6750 | 0.132 | 0.61 | 0.26 | 404 | 21.45 |
3x185+3x(1,5STKON +95/3KON) | 19.1 | 71.7 | 75.7 | 12300 | 8325 | 0.108 | 0.63 | 0.26 | 461 | 26.46 |
3x240+3x(1,5STKON +120/3KON) | 22 | 80.1 | 85.1 | 15400 | 10800 | 0.0817 | 0.67 | 0.25 | 544 | 34.32 |
In the shadowy depths of underground mines, where machinery battles against relentless rock and unforgiving elements, the reliability of power cables can mean the difference between seamless operations and costly downtime. Enter the PROTOMONT (V) 1kV coal cutter cables, a pinnacle of engineered power solutions tailored for chain operation in extreme underground mining environments. These cables, branded under Feichun's PROTOMONT (V) line, are not just wires; they are lifelines for mobile equipment like coal cutting machines, designed to endure high tensile stresses, fluctuating temperatures, and mechanical wear.
Benefits: Why Choose PROTOMONT (V) 1kV for Chain Operation
The advantages of PROTOMONT (V) 1kV coal cutter cables extend beyond specs, offering tangible benefits in underground mining. Their mechanical resilience—withstanding 15 N/mm² tensile loads—reduces breakage in chain handlers, where cables endure constant pulling and bending. This translates to fewer replacements, cutting costs by up to 30% in high-stress operations.
Flexibility from finely stranded conductors and optimized lay lengths ensures smooth integration with mobile equipment, minimizing energy loss and wear. In chain operation, where cables trail machines like coal cutters, this prevents snags and extends service life, often exceeding 5 years in harsh conditions.
Environmental resistance is a standout: tinned copper fights corrosion, EPR insulation guards against moisture, and flame-retardant properties enhance safety in flammable gas-prone mines. Multinational certifications—MSHA for the US, MA for China, GOST for Russia—facilitate global deployment, ensuring compliance without redesigns.
Compared to standard cables, PROTOMONT (V) boosts efficiency: higher current capacities (e.g., 461 A for 3x185 mm²) support powerful machinery, while low resistance optimizes power delivery. Weather resistance allows unrestricted indoor/outdoor use, ideal for mines with varying humidity.
Ultimately, these benefits—durability, safety, and efficiency—make PROTOMONT (V) 1kV the go-to for chain-operated coal cutters, reducing downtime and enhancing productivity.
Usage Scenarios: Powering the Depths
PROTOMONT (V) 1kV coal cutter cables shine in dynamic underground mining applications. Primarily, they connect power to mobile equipment like coal cutting machines, where chain handlers absorb tensile forces as machines advance.
In longwall mining, these cables supply consistent energy for cutters shearing coal faces, their flexibility accommodating the machine's back-and-forth motion. For room-and-pillar methods, they power drills and loaders in confined spaces, resisting twists and pulls.
Beyond coal, they're suited for potash or gold mines with similar extremes. In cable protection chains, they trail behind machinery, enduring continuous flexing without failure. Their high current capacities support energy-intensive tools, while certifications ensure use in regulated environments like China's coal sectors or US deep mines.
These scenarios highlight how PROTOMONT (V) 1kV cables enable safer, more efficient operations in underground mining's varied terrains.
Case Study: Enhancing Efficiency in South Africa's Underground Mining
South Africa's Witwatersrand Basin, home to some of the world's deepest gold mines, exemplifies PROTOMONT (V) 1kV's prowess. At a major operation near Johannesburg, facing frequent cable failures from tensile stress and heat (up to 50°C), engineers switched to these cables for chain-operated coal cutters—adapted for rock breaking.
Installed in 2023, 3x150 mm² variants powered continuous miners in 1,500m-deep shafts. The cables' 6,750 N tensile capacity handled chain drags over 200m shifts, reducing downtime from 15% to under 5%. Flame-retardant properties proved vital during a minor fire incident, containing spread.
Over 18 months, maintenance costs dropped 25%, with no corrosion despite high humidity. Operators noted easier handling due to flexibility, boosting productivity by 10%. This case underscores PROTOMONT (V) 1kV's role in South Africa's mining revival, blending durability with global standards for sustainable operations
Frequently Asked Questions
What makes PROTOMONT (V) 1kV suitable for chain operation? Its double concentric PE wiring and closed lay spinning absorb tensile forces, ideal for trailing in cable handlers.
How do these cables handle extreme temperatures? They operate flexibly from -20°C to +60°C, with fixed ranges to -40°C/+80°C, resisting thermal cycling in mines.
Are they compliant internationally? Yes, with MSHA, MA, GOST, and DIN VDE certifications for global use.
What's the lifespan in underground mining? Typically 5-10 years with proper maintenance, depending on stress levels.
Can they resist chemicals and fire? Absolutely—oil-resistant per EN 60811-404 and flame-retardant per IEC 60332-1-2.
How to select the right size? Match conductor size to current needs; e.g., 3x95 mm² for 301 A loads. Consult Feichun for specifics.
PROTOMONT (V) 1kV coal cutter cables for chain operation epitomize innovation in underground mining, blending advanced materials with rigorous engineering to conquer extreme environments. From their robust specs and benefits to practical installation tips and real-world applications—like the South African case study—they offer invaluable insights into safer, more efficient operations. As mining evolves, these cables stand as a testament to technology's power in the depths, inviting operators to embrace reliability for a brighter future underground.
