Rated Voltage 0.6/1kV PVC Insulated Power Cable

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  • Rated Voltage 0.6/1kV PVC Insulated Power Cable
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Standards
This product is manufactured in strict accordance with the following national standards and technical specifications to ensure that product quality meets industry requirements:

National Standard:
GB/T 12706 Power cables with extruded insulation and their accessories for rated voltages from 1kV (Um=1.2kV) up to 35kV (Um=40.5kV) – Part 1Other Standards:
According to user requirements, the product can also be manufactured in accordance with International Electrotechnical Commission (IEC) standards, British Standards (BS), German Standards (DIN), or American Standards (ASTM).


Application Scope

This product is suitable for fixed installation in power distribution networks or industrial installations with AC rated voltage up to 0.6/1kV. Typical application environments include:

• Indoor installation: Distribution lines inside buildings such as residential houses, office buildings, and shopping centers.
• Tunnels and cable trenches: Suitable for municipal tunnels and underground cable channels.
• Direct burial: Armored types allow direct burial installation and are suitable for outdoor cable routes.


Note:

Single-core cables shall not be installed in magnetic conduits. Single-core armored cables are used for DC systems only. If used in AC systems, non-magnetic armoring materials or magnetic isolation measures must be applied.


Operating Characteristics

• Rated Voltage:
The power frequency rated voltage U0/U is 0.6/1kV.

• Operating Temperature:
The maximum permissible long-term operating temperature of the cable conductor is 70°C.

• Short-Circuit Temperature:
During a short circuit (maximum duration not exceeding 5 seconds), the conductor temperature shall not exceed 160°C.

• Installation Temperature:
The ambient temperature during cable installation shall not be lower than 0°C.

• Minimum Bending Radius:
The cable bending radius shall not be less than 15 times the cable outer diameter.

• Flame-Retardant Performance:
PVC material itself has flame-retardant properties. According to application requirements, flame-retardant, fire-resistant, or low-smoke halogen-free cable types can be provided.


Cable Structure

The product structure adopts a layered protective design to support stable and safe operation during long-term service:

1. Conductor: High-purity copper or aluminum conductor compliant with GB/T 3956, providing reliable electrical conductivity.
2. Insulation: PVC insulation layer with stable insulation resistance and voltage withstand performance.
3. Filling: Non-hygroscopic filling materials used to maintain cable roundness.
4. Binding Tape: Non-woven tape wrapping used to secure the cable cores.
5. Inner Sheath (Optional): Used to isolate the armored layer from insulated cores.
6. Armoring Layer (Optional): Steel tape armoring for compression resistance or steel wire armoring for tensile strength.
7. Outer Sheath: PVC or PE sheath, providing resistance to corrosion, abrasion, and environmental exposure.


Main Technical Parameters

• Conductor DC Resistance:
Complies with GB/T 3956, supporting low-loss electrical transmission.

• AC Withstand Voltage Test:
0.6/1kV cable: Test voltage 3.5kV / 5min without breakdown.
1.8/3kV cable: Test voltage 6.5kV / 5min without breakdown.

• Insulation Resistance:
Insulation resistance values at normal temperature comply with standard requirements.

• Inductance and Capacitance:
Reference values are available to assist electrical system calculation and design.


Cable Current Carrying Capacity and Installation Conditions

The current carrying capacity of cables is influenced by installation environment (air or soil), ambient temperature, soil thermal resistivity, and installation method. This product provides detailed current carrying capacity tables and correction factors.

• Installation in air:
Ambient temperature 40°C, maximum long-term conductor temperature 70°C.

• Installation in soil:
Soil temperature 25°C, soil thermal resistivity 1.2K·m/W, direct burial depth 0.7m.

• Correction factors:
Correction factors are provided for different ambient temperatures, soil temperatures, and multiple parallel cable installations, supporting safe cable operation under actual working conditions.

PVC Insulated Power Cable for rated Voltage 0.6/1 kV

Type and name of cable

Type Name Application
VV Copper conductor, PVC insulated, PVC sheathed electrical cable For laying indoors, in tummel or cable trench, unable to bear external mechanical forces. Single-core cable in magnetic duct is not permissible.
VLV Aluminum conductor, PVC insulated, PVC sheathed electrical cable
VY Copper conductor, PVC insulated, PE sheathed electrical cable
VLY Aluminum conductor, PVC insulated, PE sheathed electrical cable
VV22 Copper conductor, PVC insulated, steel tape armoured, PVC sheathed electrical cable For laying indoors, in tunnel, in cable trench or direct buried, able to bear external mechanical forces, but unable to bear large pulling force.
VLV22 Aluminum conductor, PVC insulated, steel tape armoured, PVC sheathed electrical cable
VV23 Copper conductor, PVC insulated, steel tape armoured, PE sheathed electrical cable
VLV23 Aluminum conductor, PVC insulated, steel tape armoured, PE sheathed electrical cable
VV32 Copper conductor, PVC insulated, fine steel wire armoured, PVC sheathed electrical cable For laying indoors, in tunnel, cable trench, well or direct buried, able to bear external mechanical forces and determine pulling force.
VLV32 Aluminum conductor, PVC insulated, fine steel wire armoured, PVC sheathed electrical cable
VV33 Copper conductor, PVC insulated, fine steel wire armoured, PE sheathed electrical cable
VLV33 Aluminum conductor, PVC insulated, fine steel wire armoured, PE sheathed electrical cable


Production Range of cable

Type

No.of cores

Nominal cross-sectional area mm²

Copper conductor

Aluminium conductor

VV VY

VV62 VV63

VLV VLY

VLV62 VLV63

1.5~800

10~800

VV VY

VV22 VV23

VV32 VV33

VLV VLY

VLV22 VLV23

VLV32 VLV33

1.5~400

4~400

10~400

VV VY

VV22 VV23

VV32 VV33

VLV VLY

VLV22 VLV23

VLV32 VLV33

1.5~630

4~630

10~630

VV VY

VV22 VV23

VV32 VV33

VLV VLY

VLV22 VLV23

VLV32 VLV33

1.5~500

4~500

10~500

VV VY

VV22 VV23

VV32 VV33

VLV VLY

VLV22 VLV23

VLV32 VLV33

3+1

1.5~630

4~630

10~630

VV VY

VV22 VV23

VV32 VV33

VLV VLY

VLV22 VLV23

VLV32 VLV33

1.5~500

4~500

10~500

VV VY

VV22 VV23

VV32 VV33

VLV VLY

VLV22 VLV23

VLV32 VLV33

4+1

1.5~500

4~500

10~500

VV VY

VV22 VV23

VV32 VV33

VLV VLY

VLV22 VLV23

VLV32 VLV33

3+2

1.5~500

4~500

10~500

 *The armoured single-core cables are used for D.C. system only. As for A.C. system, non-magnetic armour material should be used, or magnetic isolation should be applied.


Installation and Operation Condition

In the air

1. The distance between cable centers of single-core cables laid in parallel: cross-scection area of conductor ≤185mm²: 2 times of the cable diameter corss-sectional area of conductor≥240mm²: 90mm.

2. Ambient air temperature: 40℃.

3. Max. Continuous operating temperature of conductor: 70℃.


Current carrying rating factors for different ambient air temperature:

Ambient air temperature

20℃

25℃

30℃

35℃

40℃

45℃

Rationing factor

1.29 

1.22 

1.15 

1.08 

1.0 

0.91 


Directly in the ground

1. The single-core cables are installed separately, the distance between the cable center is 2 times of the cable Diameter.

2. Soil temperature: 25℃.

3. Max. continuous operating temperature of conductor: 70℃.

4. Thermal resistivity of soil: 1.2K·m/W.

5. Depth of Direct-Buried: 0.7m.


Current carrying rating factors for different soil temperature:

Soil temperature

20℃

25℃

30℃

35℃

40℃

Rationing factor

1.04 

1.0 

0.96 

0.92 

0.87 


Technical data of cable

Nominal Cross-sectional area of conductor mm²

Max. D.C. resistance of conductor at 20℃ (Ω/km)

Copper

Aluminium

18.1 

-

1.5 

12.1 

-

2.5 

7.41 

12.1 

4.61 

7.41 

3.08 

4.61 

10 

1.83 

3.08 

16 

1.15 

1.91 

25 

0.727 

1.20 

35 

0.524 

0.868 

50 

0.387 

0.641 

70 

0.268 

0.443 

95 

0.193 

0.320 

120 

0.153 

0.253 

150 

0.124 

0.206 

185 

0.0991 

0.164 

240 

0.0754 

0.125 

300 

0.0601 

0.100 

400 

0.0470 

0.0778 

500 

0.0366 

0.0605 

630 

0.0283 

0.0469 

800 

0.0221 

0.0367 

Power frequency A.C.voltage test

0.6/1kV: Test voltage 3.5KV/5min

1.8/3kV: Test voltage 6.5kV/5min

Q: 10. What is your company's business philosophy?

A: The company adheres to the strategy of "revitalizing the enterprise through science and technology," with a market-centered, sales-focused, customer-need-satisfying approach. It continuously optimizes its product structure, increases technological content, and ensures steadily improving product quality.

Q: 9. In which fields are your company's products applied?

A: The products cover multiple fields including electric power, new energy, transportation, communications, and engineering. The company has also continuously passed the qualification verification for power cables and conductors of the State Grid Corporation of China for many years.

Q: 8. What green and environmental certifications or initiatives does the company have?

A: The company has established an Environmental Management System, Energy Management System, Green Management System, and Social Responsibility Management System. It has completed product carbon footprint certification and obtained certifications such as "Green Manufacturing Enterprise," "China Energy-Saving and Environmental Protection Product," and "Carbon Neutrality Commitment Demonstration Unit."

Q: 7. Does the company focus on technological innovation? What recent patent achievements have there been?

A: The company actively implements the strategy of "revitalizing the enterprise through science and technology" and continuously increases R&D investment. As of 2026, it has disclosed 45 patents, including an important patent for "a halogen-free flame-retardant environmentally friendly cable and its preparation method."

Q: 6. What honors has your company received?

A: The company has established a municipal-level Engineering Technology Research Center and serves as a industry-academia-research cooperation demonstration base for Changzhou Institute of Technology. It is recognized as a provincial-level "Specialized, Refined, Distinctive, and Innovative" SME, a provincial-level green factory, a national high-tech enterprise, a digital workshop, a national intellectual property advantage enterprise, a quality integrity enterprise, a contract-abiding and creditworthy unit, an outstanding enterprise for industrial development, and a Jiangsu provincial private technology enterprise.

Q: 5. Does the company have sales and service networks across the country?

A: Yes. The company has set up sales outlets or offices in many major cities across China, such as Nanjing, Shanghai, Beijing, Guangzhou, Shenzhen, and Inner Mongolia, responsible for marketing and product after-sales service.

Q: 4. What is your company's production capacity?

A: The company currently has over 140 employees and an annual production capacity of 3 billion RMB scale.

Q: 3. Has the company obtained relevant quality system certifications?

A: Yes. The company has obtained ISO9001 Quality Management System, ISO14001 Environmental Management System, ISO45001 Occupational Health and Safety Management System, and GB/T23331 Energy Management System certifications. It has also obtained the national compulsory CCC certification and the National Industrial Production License.

WUXI GUANGHUAN CABLE CO., LTD.

Wuxi Guanghuan Cable Co., Ltd., founded in 1998, has now become a national high-tech enterprise in cable manufacturing with a registered capital of RMB 400.8 million and an annual sales revenue of RMB 2 billion, ranking among China's Top 500 Machinery Enterprises. The company is located in Guanlin Town, Yixing City, Jiangsu Province, known as the "Cable Capital of China". It occupies an area of over 100,000 square meters, with a building floor area of more than 45,000 square meters. The company possesses over 70 advanced production and testing lines, employs more than 140 staff members, including over 30 technical professionals, and achieves an annual output value exceeding RMB 3 billion.

The company has obtained certifications including ISO 9001 (Quality Management System), ISO 14001 (Environmental Management System), ISO 45001 (Occupational Health and Safety Management System), ISO 50001 (Energy Management System), GB/T 29490 (Intellectual Property Management System), Green Management System Certification, Social Responsibility Management System Certification, and After-Sales Service Management System Certification. Additionally, it holds certifications for Product Carbon Footprint, China Energy-Saving and Environmentally Friendly Product Certification, and is a Carbon Neutrality Commitment Demonstration Unit. Its products have also obtained international certifications such as the German Rheinland TÜV certification. The company's core business products cover various sectors of the power system, with R&D and manufacturing capabilities for over 100 varieties and more than 30,000 specifications, including medium and high voltage power cables, wires and cables for electrical equipment, bare conductors and overhead insulated cables, high-speed railway/urban rail transit cables, as well as smart manufacturing for advanced energy storage, photovoltaics, and wind power.

The company's registered brand is "Liguang". It has been honored with titles such as "National High-Tech Enterprise", "China Top 500 Machinery Enterprises", "Jiangsu Provincial Specialized, Sophisticated, Distinctive and Innovative SME", "Jiangsu Provincial Green Factory", "Jiangsu Provincial Private Technology Enterprise", "Outstanding Enterprise in Industrial Economic Development", "Digital Workshop", "National Intellectual Property Advantage Enterprise", "Quality Integrity Enterprise", and "Contract-Abiding and Promise-Keeping Unit".

After more than 20 years of steady development, Guanghuan Cable has grown into a major manufacturing force in China's domestic cable industry, covering multiple sectors including electric power, new energy, transportation, communications, and engineering. For many consecutive years, it has passed the qualification and capability verification for power cables and conductor products conducted by the State Grid Corporation of China. It primarily serves: State Grid and its subsidiary power companies in Jiangsu, Zhejiang, Anhui, Shanghai, Fujian, Jiangxi, Hunan, Hubei, Henan, Hebei, Shanxi, Tianjin, Shandong, Beijing, as well as green energy enterprises such as the State Power Investment Corporation (SPIC), China Energy Engineering Group (CEEG), Power Construction Corporation of China (POWERCHINA), and Inner Mongolia Energy Group. The company is a qualified supplier to SPIC, CEEG, POWERCHINA, and Inner Mongolia Energy Group, and has established long-term and stable cooperative relationships with them. Since its inception, the company has consistently adhered to the strategy of "Quality First, Customer Foremost", deeply promoting total quality management and implementing quality control across the entire process and all employees. Strict inspections are conducted from raw material incoming to finished product outgoing. Advanced high-tech instruments such as foreign-made online eccentricity monitors, high-voltage series resonance testers, and partial discharge detectors are used to strictly control quality during the manufacturing process, ensuring excellent product quality.

As a key backbone enterprise of the Yixing International Cable City, Guanghuan Cable has built a solid foundation in green manufacturing, product R&D, quality management, and system integration. It continuously improves product quality stability, delivery responsiveness, resource allocation efficiency, and customer service capability. The company is willing to continue rewarding its customers with higher-quality products and more comprehensive services, striving to build "Guanghuan Cable" into a first-class, large-scale modernized enterprise in China.

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