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Multi-Core Cable Copper Core Electrical Rvv Power Cable Flexible Cable

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Focusing on technological innovation, the company operates 6 internationally advanced production lines for medium-, high-, and extra-high voltage cables, including:
A German TROESTER 500kV VCV line for power cables
A Finnish MAILLEFER 220kV CCV line for power cablesBoth equipped with German SIKORA online eccentricity measurement systems.
Testing capabilities include a 700kV AC resonant test system (USA Phenix) and over 200 sets of world-class production/testing equipments, ensuring annual output of 2 million km of cables compliant with national/international standards or custom specifications.
With 150+ sales offices nationwide, our products serve diverse sectors: power, telecom, aviation, rail, automotive, appliances, petrochemical, mining, and metallurgy. Notable projects include:
High-speed railways (Hada, Ninghang, Jinqi)
Subways (Shenzhen Line 5)
Major infrastructure (Qingdao Gulf Bridge, Beijing Workers' Gymnasium)
Grid upgrades (110kV cables in Inner Mongolia, Guangxi, etc.)
Reliable performance in these applications has earned consistent positive feedback from users.
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  • RVV

  • 4E

PVC Insulated Copper Core Cables | 450/750V – GB/T 5023, IEC 60227, JB/T 8734

Overview

Our PVC insulated copper core cables are manufactured in compliance with GB/T 5023-2008, IEC 60227:2007, and JB/T 8734-2012, covering a wide range of low voltage power and control cables rated at 450/750V and below. These cables are widely used in residential, commercial, and industrial electrical systems for reliable power transmission and control applications.

With copper conductor construction, these cables offer excellent conductivity, flexibility, and long service life. Models include BV, BVR, RVV, RVS, RVVP, and flame-retardant variants such as ZR-BV and NH-BVR for high-safety environments.


Applicable Standards

StandardDescriptionVoltage Rating
GB/T 5023-2008 / IEC 60227:2007PVC insulated cables for rated voltages up to 450/750V≤ 450/750V
JB/T 8734-2012PVC insulated flexible cables and multi-core wires≤ 450/750V

Key Features

  • Copper Conductor: High conductivity, low energy loss, excellent electrical performance.

  • PVC Insulation & Sheath: Good electrical insulation, flame retardant, moisture resistant, and abrasion resistant.

  • Flexible Options: Stranded copper conductor designs (e.g., RVV, BVR) for easy installation in tight spaces and dynamic applications.

  • Multi-Core Configurations: Supports complex circuits requiring multiple conductors (e.g., RVV Power Cable).

  • Flame-Retardant & Fire-Resistant Variants: ZR-BV, NH-BVR, and WDZ-BER for high-risk environments (halogen-free, low smoke).


Product Models & Applications

ModelDescriptionTypical Application
BVSolid copper conductor, PVC insulatedFixed wiring in residential and commercial buildings
BVRStranded copper conductor, PVC insulatedJunction boxes, tight spaces, flexible fixed wiring
RVVMulti-core stranded copper, PVC insulated and sheathed (300/500V)Portable devices, household appliances, industrial equipment
RVSTwisted pair flexible cableFire alarm systems, emergency lighting, audio systems
RVVPShielded multi-core flexible cableSignal transmission, anti-interference applications
ZR-BVFlame-retardant PVC insulated wireHigh-rise buildings, public facilities
NH-BVRFire-resistant flexible wireEmergency power, fire protection systems
WDZ-BERHalogen-free, low smoke, flame-retardant flexible cablePublic infrastructure, schools, hospitals, subways

Technical Specifications (Typical)

ParameterValue
Rated Voltage300/500V or 450/750V
Conductor MaterialCopper (solid or stranded)
Insulation MaterialPVC (polyvinyl chloride)
Sheath MaterialPVC (for multi-core cables)
Temperature Rating-15°C to +70°C (normal operation)
Flame RetardancyIEC 60332-1 (for ZR series)
Halogen-Free OptionWDZ series (low smoke, zero halogen)

Applications

ApplicationSuitable Models
Residential WiringBV, BVR
Commercial BuildingsBV, RVV, ZR-BV
Industrial EquipmentRVV, RVVP
Portable Devices & AppliancesRVV (300/500V)
Fire & Emergency SystemsNH-BVR, RVS
Public InfrastructureWDZ-BER (halogen-free, low smoke)
Signal & Anti-InterferenceRVVP (shielded)

Why Choose Our PVC Insulated Cables?

BenefitDescription
International StandardsCompliant with GB/T 5023, IEC 60227, and JB/T 8734.
High ConductivityCopper conductor ensures low resistance and energy efficiency.
Flexible InstallationStranded options (BVR, RVV) for easy bending in tight spaces.
Safety VariantsFlame-retardant, fire-resistant, and low smoke halogen-free options available.
Wide Model RangeBV, BVR, RVV, RVS, RVVP, ZR, NH, WDZ series for diverse applications.
Cost EffectiveReliable performance at competitive prices.


Performance Requirements

  1. Voltage Ratings:

    • 450/750V: Standard for heavy-duty appliances and fixed installations.

    • 300/300V: Used for low-power devices like lamps and small electronics.

    • RVV Power Cable typically adopts 300/500V for balanced flexibility and durability.

  2. Temperature Tolerance:

    • 70°C: Standard operating temperature for PVC-insulated Copper Core cables.

    • 90°C: High-temperature variants for environments near heat sources.

  3. Installation Guidelines:

    • Minimum laying temperature: 0°C (to prevent insulation cracking).

    • Conduit or trunking recommended for mechanical protection, especially for Flexible Multi-Core Cables.

  4. Bending Radius:

    • 4× Cable Diameter (D): For compact RVV Power Cables (D ≤25mm).

    • 6× Cable Diameter (D): For thicker Multi-Core Cables (D ≥25mm) to avoid conductor damage.

Application Scenarios:

  • Household Wiring: Copper Core BV/BVR cables for lighting and sockets.

  • Industrial Machinery: RVV Flexible Cables for robotic arms and moving parts.

  • Public Spaces: WDZ-BE halogen-free cables in subways and hospitals.


Conductor Specifications:

  1. Copper Core Requirements:

    • Annealed copper wires (bare or tinned) ensure high conductivity and oxidation resistance.

    • Stranded conductors in Flexible Cables (e.g., RVV) enhance bendability.

  2. Aluminum Conductors:

    • Cost-effective alternative for fixed installations but limited to non-flexible uses.

Insulation & Sheathing:

  • PVC: Standard material for insulation and outer sheath, balancing flexibility and flame resistance.

  • Polyolefin: Used in WDZ-BE cables for halogen-free, low-smoke properties.

Multi-Core Cable Construction:

  • Twisted Pairs (RVS): Reduce electromagnetic interference in signal lines.

  • Shielded Variants (RVVP): Foil or braided shielding for noise-sensitive applications.

Quality Assurance:

  • Compliance with GB/T 5023 and JB/T 8734 ensures mechanical strength and electrical safety.

  • RVV Power Cables undergo rigorous flexibility tests to withstand repeated bending.


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