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WDZ-RY Copper Core Low Smoke Zero Halogen Cross-linked Polyolefin Insulated Flexible Wire

    WDZ-RY Copper Core Low Smoke Zero Halogen Cross-linked Polyolefin Insulated Flexible Wire

    Our Copper Core LSZH Cross-linked Polyolefin Flexible Wire is engineered for maximum safety, durability, and performance in industrial, commercial, and infrastructure applications. Featuring a highly conductive copper core and cross-linked polyolefin insulation, this wire offers exceptional heat resistance, mechanical strength, and flexibility. Its low smoke, zero halogen (LSZH) formulation minimizes toxic gas and smoke release during fire, ensuring enhanced safety for indoor wiring, transportation systems, and public spaces. Ideal for control panels, data centers, railways, and high-rise buil...
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WDZ-RY 450/750V


Copper Core Low-Smoke, Halogen-Free, Cross-Linked Polyolefin Insulated Flexible Wire


Product Applications

Applicable to applications with AC rated voltages of 450/750V and below, such as subways, high-rise buildings, shopping malls, theaters, power stations, chemical plants,city squares, and other public utilities, where flame retardancy is a high requirement. The low corrosiveness of combustion gases also prevents damage to equipment. The low-smoke, halogen-free properties significantly enhance the cable material's resistance to aging, UV rays, and other radiation,

thus extending the cable's service life.


Product Structure

Reference Standards: GB/T5023-2008, GB/T19666-2019

Conductor: Multi-stranded fine bare copper wire, conforming to GB/T3956-2008, Category V conductor

Insulation Material: Low-smoke, halogen-free polyolefin

Color: Customizable upon request


Technical Parameters

Rated Voltage: 450/750V

Test Voltage: 2500V/5min

Rated Temperature: -40°C to +90°C

Minimum Bend Radius:

Fixed Installation: 7 x D (cable outer diameter)

Flame Retardant: Conforms to the GB/T18380.12 single insulated wire vertical combustion test

Low Smoke: Conforms to GB/T17651.2

Halogen-Free: Conforms to GB/T17650.2

Environmental Protection: RoHS and REACH compliant


Product Features

Low smoke and flame retardancy during combustion

No toxic gases released in the event of a fire


Number of cores × cross-sectional area

Insulation thickness

(mm)

Cable outer diameter range

(mm)

Minimum insulation resistance at 70℃(MO*km)

Maximum conductor resistance at 20°C

(Q/km)

1x1.50.7 2.8-3.40.01 13.3 
1×2.50.8 3.4-4.10.009 7.98 
1x4.00.8 3.9-4.80.007 4.05 
1x6.01.8 4.4-5.30.006 3.3 
1x101.0 5.7-6.80.0056 1.91 
1x161.0 6.7-8.10.0046 1.21 
1×251.2 8.4-10.20.0044 0.78 
1x351.2 9.7-11.70.0038 0.554 
1x501.4 11.5-13.90.0037 0.386 
1x701.4 13.2-16.00.0032 0.272 
1x951.6 15.1-18.20.0032 0.206 
1x1201.6 16.7-20.20.0029 0.161 
1x1501.8 18.6-22.50.0029 0.129 


In modern industrial, commercial, and infrastructure projects, safety, flexibility, and efficiency are critical in wiring solutions. The Copper Core Low Smoke Zero Halogen (LSZH) Cross-linked Polyolefin Insulated Flexible Wire is engineered to meet these demands. Combining superior fire safety, enhanced flexibility, and long-lasting performance, it is ideal for applications in industrial automation, transportation, public infrastructure, and building wiring systems.

This product is designed for long-term reliability while reducing environmental and health hazards in case of fire, making it a preferred choice for safety-conscious organizations worldwide.


Product Structure

The design of the Copper Core LSZH Flexible Wire ensures mechanical robustness, fire safety, and signal integrity. Its structure typically includes the following components:

ComponentMaterial / DescriptionFunction / Benefit
Conductor CoreHigh-purity flexible copperProvides excellent conductivity and flexibility
Insulation LayerCross-linked polyolefin (XLPO)Heat resistance, durability, and mechanical protection
LSZH JacketHalogen-free, low smoke materialReduces toxic gas emission during fire
Optional ShieldingAluminum or copper braidProtects against electromagnetic interference (EMI)
Overall FlexibilityMulti-strand designAllows easy installation in tight or curved spaces

Key Features:

  • Flexible copper core for high conductivity and mechanical strength

  • Cross-linked polyolefin insulation resists heat, chemicals, and abrasion

  • Zero halogen formulation reduces toxic fumes during fire incidents

  • High flexibility for easier routing and installation


Technical Specifications

These wires are engineered to meet global standards for safety, performance, and durability.

ParameterSpecification
Conductor MaterialFlexible Copper (Class 5 or Class 6)
Insulation MaterialCross-linked Polyolefin (XLPO), LSZH
Rated Voltage300/500V, 450/750V, 600/1000V
Temperature Range-40°C to +125°C
Flame RetardantYes
Halogen ContentZero (LSZH)
Shielding OptionsOptional aluminum foil or braided shield
Standards ComplianceIEC 60332, EN 50267, UL 1581, RoHS
Available Sizes0.5mm² – 50mm²

Performance Highlights:

  • Excellent thermal stability and chemical resistance

  • Enhanced mechanical durability under flexing or bending

  • Reduced smoke emission and corrosion potential in fire


Technical Support

To ensure optimal performance and safety, our technical team provides:

  • Installation Guidelines: Detailed instructions for bending radius, conduit use, and shielding grounding

  • Custom Solutions: Tailored conductor sizes, insulation thickness, and shielding options for specific applications

  • Testing & Certification: Assistance with compliance testing for UL, CE, RoHS, and other global standards

  • Maintenance Tips: Recommendations for long-term durability, inspection, and replacement cycles


Applications and Use Cases

Copper core LSZH cross-linked polyolefin insulated flexible wires are versatile and widely used across industries. Key application areas include:

1. Industrial Automation

  • Control panels and machinery wiring

  • Robotics and conveyor systems

  • Signal and power distribution in factories

2. Transportation and Rail

  • Subway and rail networks where low smoke, halogen-free wiring is critical

  • Buses, ships, and aircraft cabling systems

  • Ensures passenger safety in case of fire

3. Public Infrastructure

  • Hospitals, airports, and schools

  • Data centers and server rooms

  • Emergency power and fire alarm systems

4. Commercial Buildings

  • High-rise buildings and offices

  • Elevators and HVAC systems

  • Flexible wire routing for confined spaces

Application Case Table:

Industry / ProjectCable Use CaseBenefits Provided
Industrial AutomationControl panel wiringFlexibility, durability, EMI protection
Subway / RailPower and signal wiringLow smoke emission, safety compliance
Data Centers / OfficesNetworking & emergency systems wiringFire safety, thermal resistance
Hospitals / AirportsAlarm & lighting circuitsReduced toxic gas release, high reliability

Customer Testimonials

Global clients consistently praise the cable for safety, reliability, and ease of installation.

  • “Using these LSZH wires in our subway project gave us confidence in passenger safety. Installation was smooth due to excellent flexibility.”MetroRail Engineering, Germany

  • “The cross-linked polyolefin insulation ensures our control panels operate reliably even under high heat conditions. Maintenance costs have dropped significantly.”Industrial Automation Corp, USA

  • “These wires meet our strict RoHS and fire safety requirements for public buildings. The zero-halogen feature is a huge plus.”Construction Group, UAE


Safety and Handling Guidelines

To maximize the safety and lifespan of LSZH flexible wires:

  1. Avoid Sharp Bends: Maintain the minimum bending radius.

  2. Temperature Compliance: Operate within specified temperature limits.

  3. Shield Grounding: Ensure proper grounding of shielded wires.

  4. Fire-Safety Awareness: Use certified LSZH wires in fire-prone areas.

  5. Periodic Inspection: Check insulation integrity and conductor continuity.


Advantages Over Traditional Cables

FeaturePVC / Standard CableCopper LSZH XLPO Flexible Wire
Fire SafetyMediumHigh
Smoke EmissionHighLow
Halogen ContentPresentZero
FlexibilityMediumHigh
EMI ProtectionNoneOptional / Built-in Shielding
Lifespan10–15 years20+ years
Maintenance CostMediumLow

Conclusion

The Copper Core Low Smoke Zero Halogen Cross-linked Polyolefin Insulated Flexible Wire is an optimal solution for modern wiring projects, combining:

  • Exceptional fire safety with minimal toxic smoke

  • High flexibility for easy installation in complex layouts

  • Durable copper conductors and XLPO insulation for long-term reliability

  • Compliance with international standards for industrial, commercial, and public projects




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