Wires and Cables
Medium Voltage Power Cable
Empower critical infrastructure with Medium Voltage Power Cables. Engineered for robust performance and reliability, these cables are designed for efficient power transmission in complex industrial, utility, and renewable energy applications. Featuring XLPE insulation and high-grade copper or aluminum conductors, our MV cables (typically 6 kV to 35 kV) offer exceptional dielectric strength, superior thermal stability, and high resistance to partial discharge. They are crucial for connecting substations, distributing power within large facilities, and integrating wind/solar farms. Choose our compliant and durable MV cables for secure, long-lasting energy networks.
NA2XSH Medium Voltage Power Cable(6/10kV, 12/20kV, 18/30kV)
The NA2XSH is a low-smoke halogen-free (LSZH), medium-voltage aluminum conductor cable with excellent flame-retardant properties and meets the design requirements of the IEC 60502-2 standard. Featuring stranded aluminium conductors, cross-linked polyethylene (XLPE) insulation, copper tape or wire screen, and low smoke zero halogen (LSZH) outer sheath, it complies with IEC 60502-2 and fire safety standards. In fire conditions, the LSZH sheath produces minimal smoke and no toxic halogen gases, enhancing safety in populated areas. Aluminium construction reduces weight and costs while maintaining good current capacity. With low dielectric losses, excellent partial discharge resistance, and high thermal stability, it ensures efficient, long-term performance. Suitable for direct burial, ducts, or indoor use, the NA2XSH Medium Voltage Power Cable is ideal for utilities, hospitals, schools, tunnels, and infrastructure projects requiring economical, environmentally friendly medium voltage cabling with superior fire protection and reliability worldwide.
NA2XSY Medium Voltage Power Cable(6/10kV, 12/20kV, 18/30kV)
NA2XSY are medium voltage power cables with aluminum conductors and XLPE insulation, designed according to IEC 60502-2 standards. Constructed with aluminium conductors, thermosetting XLPE insulation, metallic screen (copper tape or wires), and tough PVC outer sheath, it meets IEC 60502-2 requirements. The screen ensures electromagnetic compatibility and fault protection. Low tan delta, high breakdown strength, and excellent thermal endurance minimize losses and support overloads. PVC sheath provides reliable mechanical and moisture protection for fixed installations. Optional longitudinal water-blocking improves performance in damp areas. Flame-retardant and easy to install, the NA2XSY Medium Voltage Power Cable is favored for power grids, manufacturing plants, commercial developments, and renewable energy sites demanding cost-efficient single-core medium voltage cabling with proven durability and performance in buried or tray installations worldwide.-AL-medium-voltage-power-cable.jpg)
RHZ1-2OL(AS)-AL Medium Voltage Power Cable(8.7/15kV, 12/20kV, 18/30kV Specifications)
RHZ1-2OL(AS)-AL are enhanced flame-retardant, low smoke, zero halogen (LSZH) medium voltage cables with aluminum conductors, manufactured under IEC 60502-2 standards. Featuring stranded aluminium conductors, cross-linked polyethylene (XLPE) insulation, metallic screen, and low smoke zero halogen (LSZH) outer sheath with enhanced fire performance (AS designation), it complies with UNE 21123-4 and CPR standards. In fire conditions, it emits very low smoke and no toxic gases. Aluminium construction reduces weight and costs while providing sufficient current capacity. Excellent partial discharge resistance, low dielectric losses, and high thermal stability ensure efficient, long-term operation. Suitable for direct burial, ducts, or indoor use in public areas. The RHZ1-2OL(AS)-AL Medium Voltage Power Cable is ideal for utilities, hospitals, schools, tunnels, and infrastructure projects requiring economical, high-safety medium voltage cabling with superior fire behavior and reliability worldwide.-AL-medium-voltage-power-cable.jpg)
RHZ1-2OL(S)-AL Medium Voltage Power Cable(8.7/15kV, 12/20kV, 18/30kV Specifications)
NPC Electric RHZ1-2OL(S)-AL Medium Voltage Power Cable (8.7/15kV, 12/20kV, 18/30kV) combines economy with special fire safety for demanding medium voltage networks. Built with aluminium conductors, thermosetting XLPE insulation, metallic screen, and specially formulated LSZH sheath with superior fire-retardant characteristics (S), it meets UNE 21123-4 and higher CPR classifications. The special LSZH sheath drastically reduces smoke and eliminates corrosive gases in fires. Lightweight aluminium minimizes costs and installation effort. Excellent partial discharge resistance, low tan delta, and thermal endurance ensure efficiency and longevity. Suitable for direct burial, ducts, or indoor use in high-risk areas, the RHZ1-2OL(S)-AL Medium Voltage Power Cable is favored for metro systems, data centers, public venues, and infrastructure demanding reliable medium voltage cabling with advanced fire protection, environmental compliance, and enhanced life-safety in populated or confined spaces.
RHZ1-2OL-AL Medium Voltage Power Cable(8.7/15kV, 12/20kV, 18/30kV)
RHZ1-2OL-AL Medium Voltage Power Cable (8.7/15kV, 12/20kV, 18/30kV) is an economical, fire-safe cable for medium voltage distribution. Featuring stranded aluminium conductors, cross-linked polyethylene (XLPE) insulation, metallic screen, and low smoke zero halogen (LSZH) outer sheath, it complies with UNE 21123-4 and CPR standards. In fire conditions, the LSZH sheath emits minimal smoke and no toxic halogen gases, ensuring safety in populated areas. Lightweight aluminium reduces costs and handling effort while providing reliable current capacity. Superior partial discharge resistance, low dielectric losses, and high thermal stability guarantee efficient, long-lasting performance. Suitable for direct burial, ducts, or indoor installations. The RHZ1-2OL-AL Medium Voltage Power Cable is widely used in utilities, hospitals, schools, tunnels, and infrastructure projects requiring cost-effective, environmentally friendly medium voltage cabling with enhanced fire safety and durability worldwide.
RHZ1-AL Medium Voltage Power Cable(8.7/15kV, 12/20kV, 18/30kV)
NPC Electric RHZ1-AL Medium Voltage Power Cable (8.7/15kV, 12/20kV, 18/30kV) provides economical fire safety for medium voltage networks. Built with aluminium conductors, thermosetting XLPE insulation, metallic screen, and advanced low smoke zero halogen (LSZH) sheath, it meets UNE 21123-4 and CPR requirements. During fires, it emits very low smoke and no corrosive gases, facilitating evacuation. Lightweight aluminium reduces costs and installation effort while delivering reliable current capacity. Superior partial discharge resistance, low tan delta, and thermal endurance ensure efficiency and longevity. Suitable for direct burial, ducts, or indoor use in sensitive areas, the RHZ1-AL Medium Voltage Power Cable is widely used in transportation hubs, data centers, public facilities, and infrastructure demanding reliable medium voltage cabling with enhanced fire protection, environmental compliance, and life-safety features in populated or confined spaces.-AL-medium-voltage-power-cable.jpg)
RHZ1-OL(AS)-AL Medium Voltage Power Cable(8.7/15kV, 12/20kV, 18/30kV)
RHZ1-OL(AS)-AL Medium Voltage Power Cable (8.7/15kV, 12/20kV, 18/30kV) is a lightweight cable with enhanced fire retardancy for critical medium voltage applications. Featuring stranded aluminium conductors, cross-linked polyethylene (XLPE) insulation, metallic screen, and low smoke zero halogen (LSZH) outer sheath with advanced fire behavior (AS designation), it complies with UNE 21123-4 and higher CPR classifications. In fire scenarios, it produces very low smoke and no toxic gases. Aluminium construction reduces weight and costs while ensuring reliable current capacity. Superior partial discharge resistance, low dielectric losses, and high thermal stability provide efficient, long-lasting performance. Suitable for direct burial, ducts, or indoor use in high-safety areas. The RHZ1-OL(AS)-AL Medium Voltage Power Cable is perfect for utilities, hospitals, schools, tunnels, and infrastructure projects requiring economical, advanced fire-safe medium voltage cabling with exceptional life-safety features and durability worldwide.
RHZ1-OL-AL Medium Voltage Power Cable(8.7/15kV, 12/20kV, 18/30kV)
Our RHZ1-OL-AL Medium Voltage Power Cable (8.7/15kV, 12/20kV, 18/30kV) provides economical fire safety for medium voltage networks. Built with aluminium conductors, thermosetting XLPE insulation, metallic screen, and advanced low smoke zero halogen (LSZH) sheath, it meets UNE 21123-4 and CPR requirements. During fires, it emits very low smoke and no corrosive gases, facilitating evacuation. Lightweight aluminium reduces costs and installation effort while delivering reliable current capacity. Superior partial discharge resistance, low tan delta, and thermal endurance ensure efficiency and longevity. Suitable for direct burial, ducts, or indoor use in sensitive areas, the RHZ1-OL-AL Medium Voltage Power Cable is widely used in transportation hubs, data centers, public facilities, and infrastructure demanding reliable medium voltage cabling with enhanced fire protection, environmental compliance, and life-safety features in populated or confined spaces.
XAI Armoured Medium Voltage Power Cable(6/10kV, 12/20kV, 18/30kV)
NPC Electric XAI Armoured Medium Voltage Power Cable (6/10kV, 12/20kV, 18/30kV) delivers protected, high-performance medium voltage transmission. Constructed with copper or aluminium conductors, thermosetting XLPE insulation, metallic screen, bedding, galvanised steel wire armour (SWA), and tough outer sheath, it meets IEC 60502-2 requirements. The SWA layer offers outstanding resistance to mechanical damage, enabling direct burial without conduits. Low transmission losses, high current rating, and excellent overload tolerance ensure optimal efficiency. Optional LSZH sheath and water-blocking for added safety and reliability. Flame-retardant and environmentally robust, the XAI Armoured Medium Voltage Power Cable is widely selected for power grids, manufacturing plants, wind/solar farms, and infrastructure demanding reliable, maintenance-free medium voltage cabling with enhanced mechanical safeguarding in challenging terrains or high-impact zones worldwide.In-Depth Analysis
NPC Electric medium voltage power cables are built to deliver high efficiency, reliable performance, and advanced safety, helping businesses reduce energy costs while ensuring stable power supply. With future-ready adaptability for renewable energy and smart grid applications, they provide a sustainable and innovative solution for today’s and tomorrow’s power needs.
Comparative Analysis of Efficiency and Loss
Compared to the industry average, NPC wires and cables exhibit lower losses and higher efficiency across the entire load range.
Load Efficiency Comparison(%)
No-load Loss Comparison(W)
High Conductivity Design
High-purity oxygen-free copper or high-quality aluminum conductors are used with smooth surface and low resistance to ensure efficient power transmission and reduce energy loss.
Improved Conductivity
+20%
Reduced Energy Loss
-15%
Insulation Protection System
Use flame-retardant, wear-resistant and corrosion-resistant polymer insulation materials to meet the safe operation requirements in different environments.
Withstand Voltage Level
≥1kV
Flame Retardant Grade
VW-1 / IEC 60332-3
Weather-Resistant & Durable Technology
The outer sheath is made of UV-resistant, heat-resistant, and oil-resistant materials, making it suitable for high and low temperatures, humidity, and long-term outdoor use.
Service Life
≥ 25 Years
Operating Temperature Range
-40°C to +90°C
Safe Flame Retardant System
The multi-layered flame-retardant structure effectively slows the spread of flames and releases low-smoke, halogen-free gases during combustion, reducing secondary hazards.
Flame Retardant Performance
IEC 60332 / UL 1581 Qualified
Smoke Density
Low Smoke ≤50%
Easy Installation & Maintenance
The flexible core and flex-resistant outer sheath provide a small bend radius and high installation efficiency. Color coding and length markings reduce installation and maintenance costs.
Bend Radius
≤6D
Installation Efficiency Improvement
+30%
Intelligent Monitoring
An optional remote monitoring system is available to monitor operating status, temperature, load and other parameters in real time, and supports fault warning and remote diagnosis.
Data Collection Frequency
one times a minute
Fault Warning Accuracy
98%
Environmental Adaptability Analysis
NPC medium voltage power power cable have been rigorously tested and can operate stably under various harsh environmental conditions.
Temperature Range
-40℃ ~ +55℃
Can work normally in extreme high and low temperature environments
Humidity Adaptation
0 ~ 100% RH
Including condensation environment, no frost requirement
Weather Resistance Grade
UV/IEC 60811-501
The outer sheath has excellent UV resistance and aging resistance
Chemical Corrosion Resistance
Oil / Acid / Alkali
Resistant to oil, acid, alkali and some chemical corrosion environments
Why Choose Us
With 30 years of expertise, global certifications, and advanced manufacturing technology, NPC Electric delivers reliable, high-performance medium voltage power power cable trusted by industries worldwide.
MV Power Cables Reliability
Our medium voltage power cables are engineered for unparalleled reliability, crucial for critical power transmission in demanding environments. Utilizing advanced XLPE insulation and premium copper or aluminum conductors, these MV cables (ranging from 6 kV to 35 kV) are designed to withstand severe electrical and environmental stresses. Each cable undergoes rigorous testing to guarantee exceptional dielectric strength, high thermal stability, and superior resistance to partial discharge, ensuring stable and uninterrupted power flow. We deliver robust MV cable solutions that minimize downtime and provide secure, long-term performance for your vital utility and industrial networks.
Optimized MV Power Cable Performance
We employ cutting-edge engineering practices to ensure our medium voltage power cables deliver optimal performance and efficiency. Our designs focus on achieving minimal energy loss and superior current-carrying capacity, making them ideal for high-power applications. These MV cables are precisely constructed to manage voltage fluctuations effectively, reducing harmonic distortion and ensuring stable operation across complex power grids. This advanced design translates into tangible cost savings and enhanced operational efficiency for substation connections, large industrial facilities, and demanding renewable energy projects like wind and solar farms.
Guaranteed Safety & Compliance
Safety and compliance are non-negotiable in our MV cable manufacturing. All our medium voltage power cables are produced in strict accordance with global safety standards (e.g., IEC, AEIC, VDE) and industry best practices. We integrate advanced safety features, including superior flame retardancy and robust mechanical protection, to ensure maximum operational safety. Our commitment extends to environmental responsibility, often utilizing low-smoke, halogen-free materials. Choosing our MV electrical cable solutions guarantees not only high performance but also adherence to the strictest safety protocols, safeguarding personnel and infrastructure in utility distribution and heavy industrial sectors.
Testing & Quality Control
At NPC Electric, we prioritize power cable testing and quality control to ensure the highest standards of reliability and performance for every product. Our comprehensive cable testing procedures include high voltage cable testing, low voltage cable testing, and insulation resistance testing to verify the electrical integrity of each cable. We follow strict quality control protocols throughout the cable manufacturing process, ensuring that each product meets international standards and exceeds customer expectations. Our quality assurance system includes routine checks for durability, performance, and safety to guarantee that our cables deliver safe, long-lasting, and efficient power transmission for both residential and industrial applications.
Product Show
Explore the detailed design and practical application scenarios of medium voltage power power cables
Power Cable Design
power cable core design
Low Voltage Power Cable
lv power cable design
High Voltage Power Cable
hv power cable design
Three Cores Power Cable
three cores power cable design
Medium Voltage Power Cable
mv power cable design
SWA HV Power Cable
swa high voltage power cable
Single Core Power Cable
single core power cable design
Five Cores MV Power Cable
five cores mv power cable design
Testing and Certification
Tested with precision and certified to meet international standards as
well as strict industry requirements.
Bare Cable Test Report
SGS Inspection Report
Certificate of Acceptance
ISO Quality Certificate
ISO Environmental Certificate
ISO Occupational Certificate
UL Laboratory Certificate
UL Product Certificate
Project Cases
NPC power cables have been successfully applied in many projects and have been highly praised by customers.
Peru Solar PV Project
CompletedNPC Electric Delivers Medium-Voltage Cables for Peru Solar PV Project
Country：Peru
Model：HEPRZ1(AS) 1x630 mm² 19/33kV x 6km
Chile El Project
CompletedReliable 19/33kV MV cables ensuring safe, stable, and efficient power transmission for critical projects.
Country：Chile
Model：19/33kV MV Power Cables x 5km
Dominican Edenorte Project
CompletedProvide outdoor power solutions for urban main road reconstruction projects to adapt to complex environments.
Country：Dominican
Model：NPC AAAC Cable & Triplex Cable x 10km
Technical Advantages
● 30+ years of manufacturing experience
● ISO and UL certified production
● Customized cable and transformer solutions
FAQ From Customers
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What is considered a medium voltage power cable?
A medium voltage power cable typically refers to cables that are used for power transmission and distribution at voltages ranging from 1kV to 35kV. These cables are designed to carry higher power loads over medium distances and are commonly used in substations, industrial plants, and commercial power systems. Medium voltage cables are essential for connecting high voltage transmission networks to low voltage distribution systems, ensuring efficient and safe power delivery across various sectors. -
What is the difference between low voltage and medium voltage power cables?
The main difference between low voltage and medium voltage cables lies in the voltage range and applications. Low voltage cables typically carry voltages up to 1kV and are used for residential, commercial, and small industrial installations. Medium voltage cables, on the other hand, carry voltages between 1kV and 35kV, making them ideal for power distribution networks and industrial applications that require more substantial power transmission over longer distances. Medium voltage cables also have more robust insulation and construction to handle higher electrical stresses. -
Where are medium voltage power cables used?
Medium voltage power cables are used in industrial, commercial, and utility applications for power distribution. They are commonly found in substations, underground power lines, and overhead power networks connecting high voltage transmission lines to residential or industrial areas. These cables are crucial for distributing power over larger distances and ensuring stable, efficient electricity delivery to businesses, factories, and large residential areas. -
What are the typical construction materials of medium voltage power cables?
Medium voltage power cables are typically constructed with copper or aluminum conductors for excellent electrical conductivity. The insulation is commonly made of cross-linked polyethylene (XLPE) or EPR (ethylene propylene rubber) to provide enhanced thermal stability and electrical performance. The sheath or outer layer is made from PVC or PE (polyethylene), which provides mechanical protection and ensures weather resistance. These materials ensure that medium voltage cables can handle high power loads while remaining durable and safe in various environments. -
What are the advantages of using medium voltage power cables?
Medium voltage power cables offer several key advantages:
1. Higher power capacity: They can handle larger electrical loads than low voltage cables, making them ideal for industrial applications and long-distance distribution.
2. Durability: Medium voltage cables are built to withstand mechanical stress, temperature variations, and environmental challenges, ensuring long-lasting performance.
3. Safety: The insulation used in medium voltage cables provides better protection against electrical faults, preventing risks such as electrical fires and short circuits in high-demand power systems.
4. Efficient power distribution: They play a crucial role in ensuring reliable and efficient delivery of electricity to various sectors, including utilities and manufacturing plants.
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