Indoor, Construction, Building
UL CSA Electrical Twu Wire

450/750V 2.5mm2 4mm2 6mm2 10mm Cable

8AWG,10AWG,12AWG,14AWG
ISO9001, CE, CCC, RoHS, UL CSA

H07V-K (BV) is a single-core, PVC-insulated electrical cable. It features a round conductor made from high-conductivity annealed soft copper, ensuring excellent flexibility and performance. This product is engineered to meet rigorous international standards, including IEC, VDE, BS, and EN, and holds major certifications such as ISO, CCC, CE, RoHS, VDE, and TÜV.

Manufactured in a large-scale facility (Plant 3, with 12 dedicated workshops), it is available in a comprehensive range of cross-sections from 0.75 mm² to 400 mm². Free samples are available, and the cable is supplied on standard rolls or drums.

Key Specifications:

Samples: Free samples available

Conductor: Annealed Soft Copper, Round

Insulation: PVC

Standards: IEC, VDE, BS, EN

Certifications: ISO, CCC, CE, RoHS, VDE, TÜV

Available Sizes: 0.75 – 400 mm²

Packaging: Roll / Drum

Product Overview

H07V-K PVC Insulated Building Wire

The H07V-K is a versatile, multi-core PVC insulated electrical cable designed for fixed wiring in residential and commercial buildings, as well as in mobile equipment. It is available in a range of standard cross-sections, including 2.5mm², 4mm², 6mm², and 10mm², with a voltage rating of 450/750V.


Key Features & Applications

  • Applications: Ideal for fixed electrical installations, civil power distribution, and internal wiring for mobile equipment.
  • Conductor: Manufactured from annealed copper to IEC 60228 Class 1 or 2 standards, ensuring high conductivity and flexibility. Available in a wide range from 0.5mm² to 400mm².
  • Voltage Rating: Rated at 450/750V for enhanced safety and performance.
  • Customization: Insulation is available in a variety of colors (Red, Yellow, Green, etc.), and products can be customized to meet specific client requirements.

Technical Specifications

  • Standards Compliant: Manufactured in accordance with IEC 60227-2007 and other international standards (VDE, BS, etc.).
  • Temperature Range:
    • Operating Temperature: -15°C to +70°C
    • Installation Temperature: Ambient temperature not lower than 0°C
  • Safety Certifications: Products include fire-resistant (IEC 60331) and flame-retardant (IEC 60332) options.
  • Test Voltage: Withstands rigorous high-potential tests (1500V to 2500V for 5 minutes) to ensure dielectric strength.

Product Range & Construction

We produce a comprehensive range of low-voltage cables, including but not limited to:

  • Building Wires: H07V-K, BV, BVR, BVV
  • Flexible Cables: H05V-K, H03VV-F, RVV Series
  • Sheathed Cables: NYM, NYY configurations with constructions such as CU/PVC/PVC for voltages from 300/500V up to 0.6/1kV.

Why Choose US?

  1. Advanced Manufacturing: We operate three plants with 12 specialized workshops, equipped with state-of-the-art machinery from leading international suppliers (e.g., Niehoff, Troster, Maillefer, SKET).
  2. Comprehensive Quality Assurance: Our integrated quality control system is certified to ISO 9001, ISO 14001, and OHSAS 18001, with product approvals from TÜV, VDE, UL, CE, and more.
  3. Extensive Product Portfolio: We offer a complete solution across various cable types, including Power Cables, ABC Cables, Control Cables, Solar Cables, and specialized wires.
  4. Expert Service & Support: Our skilled engineering and sales team provides OEM/ODM services, technical support, and competitive pricing, ensuring a reliable partnership.

Product Overview

Insulated & Fire-Resistant Power Cables

These PVC-insulated and fire-resistant power cables are designed for permanent installation in power transmission and distribution networks, operating at 50Hz AC with voltages up to 6kV.

Key Specifications:

  • Operating Temperature: Maximum continuous conductor temperature of 70°C.
  • Short-Circuit Rating: Conductor temperature must not exceed 160°C during a short-circuit event of up to 5 seconds.
  • Installation: Can be installed vertically without level restrictions. Minimum ambient temperature for installation is 0°C.

Standard Constructions:
The cables are available in various configurations, including:

  • Conductor: Copper or Aluminum (Cu/Al)
  • Insulation: PVC or XLPE
  • Armouring: Options include Steel Wire Armour (SWA), Steel Tape Armour (SWT), Aluminum Wire Armour (AWA), and Aluminum Tape Armour (AWT).
  • Sheath: PVC

Nominal Conductor Cross-Sectional Areas (mm²):

Main Core3+1 Core3+2 Core4+1 Core
4, 6, 10, 16, 25, 35, 50, 70, 95, 120, 150, 185, 2402.5, 4, 6, 10, 16, 16, 25, 35, 50, 70, 70, 95, 1202.5, 4, 6, 10, 16, 16, 25, 35, 50, 70, 70, 95, 1202.5, 4, 6, 10, 16, 16, 25, 35, 50, 70, 70, 95, 120

Paraphrased Version

Cable Construction & Technical Specifications

This cable is constructed with a robust, layered design for high performance and reliability.

Layer-by-Layer Construction:

  • Metallic Screen: Available in configurations of copper wires, copper tape, or a combination of both.
  • Inner Sheath: Composed of PVC (Polyvinyl Chloride).
  • Armouring: Features Steel Tape Armour (SWA). For single-core cables, a non-magnetic armour material is used to minimize energy losses.
  • Outer Sheath: A durable outer layer of PVC (Polyvinyl Chloride).

Advanced Manufacturing Process:
The core components—the conductor screen, XLPE insulation, and insulation screen—are manufactured using a triple extrusion process on a Continuous Vulcanization Line. This state-of-the-art method ensures:

  • Perfectly clean interfaces between the insulation and semiconductive layers.
  • A construction that is free from Partial Discharge (PD).
  • Exceptionally high operational reliability and longevity.

Key Technical Parameters:
For detailed performance data, please refer to the following tables:

  • Table 1-1: Cable conductor DC resistance.
  • Table 1-2: Partial discharge test results.
  • Table 1-3: AC voltage withstand test specifications.
  • Table 1-4: Rated voltage, core numbers, and nominal cross-sectional areas.

Key Improvements in This Version:

Grammar and Spelling: Corrects “Amoured” to “Armouring” and “Semi-Conductive” to the more standard “semiconductive.”

Professional Tone: Uses standard industry language (e.g., “configurations,” “state-of-the-art method,” “robust, layered design”).

Clarity and Flow: Sentences are restructured to be more direct and easier to read.

Logical Grouping: Information is organized under clear headings (Construction, Manufacturing, Parameters).

Explained Benefits: The technical advantage of the “triple extrusion method” is clearly stated (prevents Partial Discharge, ensures reliability).


Technical Data Tables

Table 1-1: Maximum DC Resistance at 20°C (Ω/km)

Cross-Section (mm²)162535507095120150
Copper (Non-Tinned)1.150.7270.5240.3870.2680.1930.1530.124
Copper (Tinned)1.160.7340.5290.3910.2700.1950.1540.126
Aluminum1.911.200.8680.6410.4430.3200.2530.206
Cross-Section (mm²)1852403004005006308001000
Copper (Non-Tinned)0.09910.07540.06010.04700.03660.02830.02210.0176
Copper (Tinned)0.1000.07620.06070.04750.03690.02860.02240.0177
Aluminum0.1640.1250.1000.07780.06050.04690.03670.0291

Table 1-2: Partial Discharge Test

Rated Voltage (kV)3.6/66/108.7/1512/2018/3021/3526/35
Test Voltage (kV)6.2310.3815.0520.7631.1436.3344.98
Max. Discharge (pC)10101010101010

Table 1-3: AC Voltage Withstand Test

Rated Voltage (kV)3.6/66/108.7/1512/2018/3021/3526/35
Test Voltage (kV)12.52130.5426373.591
Test Time (min)5555555

Table 1-4: Rated Voltage, Core Numbers & Cross-Sectional Area

U0/Um (kV)3.6/66/108.7/1512/2018/3021/3526/35
Single-Core (mm²)25-63025-63035-63035-63050-63050-63050-630
Three-Core (mm²)25-40025-40035-40035-40050-40050-40050-400

Cable Parameter

1410.0300.760.1694.32233
1210.0300.760.1894.83247
1010.0300.760.2135.44668
610.0601.520.2767101151
1470.0300.760.1774.52436
1270.0300.760.2015.13450
1070.0300.760.2285.84973
870.0451.140.2917.479118
470.0601.520.3869.8172256
270.0802.030.44511.3263391
1190.0802.030.53113.5339505
1/0190.0802.030.57514.6418622
2/0190.0802.030.62215.8515767
3/0190.0802.030.67717.2638950
250370.0952.410.82320.99431404
300370.0952.410.88222.411181664
350370.0952.410.93723.812921923
400370.0952.410.9842514652180
500610.0952.411.07927.418102694
600610.1102.791.19730.421783241
800610.1102.791.34334.128634260
1000610.1102.791.47237.435385265

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