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. It is suitable for fixed laying environments with high requirements for fire safety and toxic smoke emission control such as industrial facilities, power stations, public buildings and subways. Its armored construction provides good mechanical protection and is suitable for direct burial or other high mechanical stress applications.
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. Suitable for fixed installations in power distribution networks, both indoors and outdoors, including underground systems where mechanical protection is not required.-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. They feature a double layer of insulation for improved electrical performance and are intended for permanent installations in critical infrastructure such as subways, hospitals, and data centers where superior fire resistance and minimal emission of toxic gases are essential.-AL-medium-voltage-power-cable.jpg)
RHZ1-2OL(S)-AL Medium Voltage Power Cable(8.7/15kV, 12/20kV, 18/30kV Specifications)
RHZ1-2OL(S)-AL are flame-retardant, low smoke, zero halogen (LSZH) medium voltage cables with aluminum conductors and double layer insulation, manufactured according to IEC 60502-2 standards. They are specifically designed for fixed installations in energy-intensive environments such as power plants, substations, and industrial complexes, where enhanced electrical performance, high fire safety, and low toxic gas emissions are essential.
RHZ1-2OL-AL Medium Voltage Power Cable(8.7/15kV, 12/20kV, 18/30kV)
RHZ1-2OL-AL are flame-retardant, low smoke, zero halogen (LSZH) medium voltage cables with aluminum conductors and double-layer metallic armor, manufactured in compliance with IEC 60502-2. They are intended for fixed installations in demanding environments such as industrial complexes, underground infrastructure, and areas with increased risk of mechanical damage, where enhanced fire safety and minimal toxic emissions are required.
RHZ1-AL Medium Voltage Power Cable(8.7/15kV, 12/20kV, 18/30kV)
RHZ1-AL are flame-retardant, low smoke, zero halogen (LSZH) medium voltage cables with aluminum conductors, manufactured in accordance with IEC 60502-2. They are suitable for fixed installations in commercial and industrial environments where fire safety, reduced smoke emissions, and non-corrosive gases are essential, such as in energy distribution networks, public infrastructure, and indoor substations.-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 are flame-retardant, low smoke, zero halogen (LSZH) medium voltage cables with aluminum conductors, designed according to European standards. They are suitable for fixed installations in industrial facilities, tunnels, and public buildings, especially in environments requiring high fire safety and low toxic emissions.
RHZ1-OL-AL Medium Voltage Power Cable(8.7/15kV, 12/20kV, 18/30kV)
RHZ1-OL-AL are halogen-free, flame-retardant medium voltage cables with aluminum conductors, manufactured in compliance with IEC 60502-2. Designed for fixed installations, they are suitable for use in industrial plants, energy infrastructure, and public facilities where reduced smoke emission and low toxicity in case of fire are important. The design ensures reliable performance in environments where fire protection is a key requirement, though less demanding than applications requiring armoured or reinforced cables.
XAI Armoured Medium Voltage Power Cable(6/10kV, 12/20kV, 18/30kV)
XAI Armoured Cable are medium voltage power cables with copper conductors, XLPE insulation, and aluminum wire armour, designed for reliable energy transmission in demanding environments. Suitable for fixed installations in industrial networks, underground systems, and outdoor areas where mechanical protection is required.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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