Anhui Feichun Special Cable Co.,Ltd Li.wang@feichuncables.com

PROTOMONT (EMV-FC) (N)SSHCOEU Frequency Converter
PROTOMONT EMV-FC (N)SSHCOEU Frequency Converter Cable: High-performance Motor Power Supply Solution for Frequency Converter Controlled Drives
PROTOMONT (EMV-FC) (N)SSHCOEU Frequency Converter
Application | |
Usage | Fixed installation and flexible operation as motor power supply cables for frequency converter controlled drives in mining, construction sites, and similar applications with heavy mechanical stresses. |
Installation | Suitable for material handling equipment (e.g., cable booms, connection between upper and lower car). |
Water Applications | Can be used in water up to 40°C; wastewater up to 10 m depth, fresh water and salt water up to 500 m depth. |
Global Data | |
Brand | Feichun PROTOMONT EMV-FC |
Type Designation | (N)SSHCOEU |
Standard | Based on DIN VDE 0250 part 812 |
Certifications / Approvals | MSHA P-189-3, Fire Certificate of Russian Federation, TR-Certificate, GOST K, GOST B |
Design Features | |
Conductor | Finely stranded copper conductor, tinned (class 5) according to DIN VDE 0295 |
Insulation | PROTOLON, Basic material: EPR, Compound type: 3GI3 |
Core Identification | Natural coloring with black figures |
Core Arrangement | Three power cores with protective earth conductors split into three in outer interstices |
Screen | EMC optimized, concentric braid of tinned copper wires |
Inner Sheath | Vulcanized rubber compound, Basic material: EPR, Compound type: GM1B |
Outer Sheath | PROTOFIRM, 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 | 5 kV |
Chemical Parameters | |
Resistance to Fire | EN 60332-1-2, IEC 60332-1-2 |
Resistance to Oil | In accordance with EN 60811-404, IEC 60811-404 |
Weather Resistance | Unrestricted use outdoors and indoors, resistant to ozone and moisture |
Thermal Parameters | |
Max. Permissible Temperature at Conductor | 90 °C |
Max. Short Circuit Temperature of Conductor | 250 °C |
Ambient Temperature (Fixed Installation) Min | -40 °C |
Ambient Temperature (Fixed Installation) Max | 80 °C |
Ambient Temperature (Fully Flexible Operation) Min | -25 °C |
Ambient Temperature (Fully Flexible Operation) Max | 60 °C |
Mechanical Parameters | |
Tensile Load on Conductor (Max) | 15 N/mm² |
Torsional Stress | 25 °/m |
Bending Radii (Min) | According to DIN VDE 0298 part 3 |

In the fast-evolving world of industrial engineering, where reliability meets extreme conditions, the PROTOMONT EMV-FC (N)SSHCOEU Frequency Converter Cable stands out as a beacon of innovation. Designed specifically for motor power supply in frequency converter controlled drives, this cable is engineered to withstand the rigors of heavy mechanical stresses in demanding sectors like mining and construction. Imagine a cable that not only powers massive machinery in the depths of the earth but also thrives underwater, resisting oil, ozone, and extreme temperatures. This isn't science fiction; it's the reality of modern cable technology, rooted in standards like DIN VDE 0250 part 812 and certified by bodies such as MSHA P-189-3.
As industries push boundaries— from underground mining operations in South Africa to bustling construction sites worldwide—the need for electromagnetic compatibility (EMC)-optimized cables has never been greater. Frequency converters, which regulate motor speeds for efficiency, generate electrical noise that can disrupt operations. The PROTOMONT EMV-FC (N)SSHCOEU addresses this with its specialized design, ensuring seamless power transmission while minimizing interference.
Why Choose PROTOMONT EMV-FC (N)SSHCOEU?
The PROTOMONT EMV-FC (N)SSHCOEU Frequency Converter Cable isn't merely a wire; it's a comprehensive solution offering tangible advantages in performance, safety, and cost-efficiency.
First, its EMC optimization is a game-changer. In frequency converter systems, harmonic distortions can cause motor overheating or signal interference. The concentric braid and symmetrical core layout minimize these issues, ensuring stable operation and extending equipment lifespan. This reduces downtime, a critical factor in high-stakes industries where every minute counts.
Durability is another standout benefit. The PROTOFIRM outer sheath and PROTOLON insulation resist oils, chemicals, and abrasion, making it suitable for harsh environments. Its weather resistance allows unrestricted use outdoors, even in ozone-rich atmospheres or humid conditions. Submersion capabilities—up to 40°C in water, 10 m in wastewater, and 500 m in fresh/salt water—open doors to aquatic applications, far beyond standard cables.
Flexibility shines in mechanical parameters. With class 5 conductors and low bending radii, it handles continuous movement without fatigue, ideal for dynamic setups like cable reels or booms. Torsional stress tolerance prevents twisting damage, enhancing reliability in mobile machinery.
From a safety perspective, fire resistance per IEC 60332-1-2 and high short-circuit temperatures protect against hazards. The yellow sheath improves visibility, reducing accident risks on sites.
Economically, while initial costs may be higher, the cable's longevity and reduced maintenance needs yield long-term savings. Its compliance with international standards simplifies global procurement and installation, avoiding regulatory hurdles.
In essence, this cable embodies efficiency: Low inductance (0.23-0.26 mH/km) and capacitance ensure optimal power transmission, minimizing energy losses in frequency converter drives.
Usage Scenarios: From Mines to Oceans
The versatility of the PROTOMONT EMV-FC (N)SSHCOEU Frequency Converter Cable makes it indispensable across scenarios involving heavy mechanical stresses and frequency-controlled motors.
In the mining industry, it's perfect for powering conveyor systems, drills, and pumps in underground or open-pit operations. Its tensile strength and flexibility support fixed or mobile installations, even in dusty, moist tunnels.
Construction sites benefit from its robustness in cranes, excavators, and material handlers. The cable's ability to endure continuous movement—such as in cable booms—ensures uninterrupted power for variable-speed drives, boosting productivity.
Unique is its aquatic prowess: Deployable in submersible pumps for wastewater management or deep-water drilling. In saltwater up to 500 m, it powers offshore equipment without corrosion worries.
Other applications include industrial plants with frequency converters, where EMC shielding prevents interference in automated lines.
Frequently Asked Questions
What makes the PROTOMONT EMV-FC (N)SSHCOEU suitable for frequency converters?
Its EMC-optimized screen and symmetrical design minimize interference, ensuring stable motor control.
Can it be used underwater?
Yes, up to 40°C in general water, 10 m in wastewater, and 500 m in fresh/salt water.
What are the temperature limits?
Conductor up to 90°C; fixed installation -40°C to 80°C; flexible -25°C to 60°C.
How does it handle mechanical stress?
With max tensile load of 15 N/mm² and torsional stress of 25°/m, it's built for heavy-duty flexing.
Is it fire-resistant?
Absolutely, compliant with EN 60332-1-2.
What certifications does it hold?
MSHA P-189-3, Russian Fire Certificate, TR-Certificate, GOST K/B.
PROTOMONT EMV-FC (N)SSHCOEU Frequency Converter Cable exemplifies how advanced materials and design can conquer industrial challenges. From its tinned copper conductors to PROTOFIRM sheath, every element is purposeful, delivering reliability in mining, construction, and beyond. As seen in the South African case study, it doesn't just connect power—it empowers progress. In a world demanding sustainable, efficient solutions, this cable is a vital link, proving that robust technology can thrive where others falter.

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