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Zero Halogen Flame Retardant Cable 11KV Fire Resistant Low Smoke Cables

Categories Industrial Power Cables
Brand Name: JinHong
Model Number: WDZN-YJY
Place of Origin: Anhui China
MOQ: 100m
Price: 11.15-16.25USD
Payment Terms: TT
Delivery Time: 15-20days
Application: Underground,Industrial,Construction,overhead,Power Station
Jacket: PVC,Non,no jacket,PVC or XLPE,PVC/PE
Insulation material: XLPE,PVC,Rubber,XLPE(XLPO),xlpe or pvc
Conductor material: Copper,Aluminum,steel core aluminum strand,copper/aluminium,tin plated
Type: Low Voltage,Medium Voltage,High Voltage,Insulated,Rigid/Flexible round
Standard: IEC60502,IEC,BS,UL,JIS
Color: Black,Red,blue,brown,Requirement
Product name: Medium Voltage Power Cable,Fire Resistant 4core LV Armoured Electrical Cable XLPE Copper Cable,XLPE PVC insulated PVC sheathed 4 core copper power cable,steel tape armoured cable,Aerial Bundled Cable
Conductor: Copper,Alulminum,Class 2 annealed copper strands,Cu / Al,strand
Insulation: XLPE,XLPE PE PVC,PVC,PE,XLPE/PE/PVC
Rated voltage: 0.6/1KV,3.6~35kv,8.7/10,3.6/6.6,6/10
Voltage: 0.6/1KV,low voltage,medium voltage,300/500V,450/750V
Core: 1 Core,5 core,duplex/triplex/quadruplex,3,Single
Sheath: PVC,ZR-PVC,LSOH,Non-sheath,PE
Packing: Wooden Drum,optional,Wooden-steel Drum
Conductor type: Stranded,copper
Name: 11KV SWA FIRE RETARDANT CABLE,welding cable,JKLGYJ 1KV overhead power cables
Armour: Steel wire or Aluminum wire armor,Steel tape armour,STA/SWA/ATA/AWA,or unarmored
Item: XLPE Copper Cable,Medium voltage XLPE cable
Certification: CE、CCC、ROHS、TUV
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  • Product Details
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Zero Halogen Flame Retardant Cable 11KV Fire Resistant Low Smoke Cables

WDZN-YJY LSZH Fire-Resistant Power Cable

Low Smoke Zero Halogen • Fire Resistant • XLPE Insulation • PE Sheath • Non-Armored

WDZN-YJY is a dual-protection safety cable built for projects where cables must not only stop burning, but also stay operational during fire conditions.

Flame retardant to limit spread • Fire resistant to maintain power • Eco-friendly & non-toxic • Lightweight & easy to install

Designed for non-direct-burial installations in ultra-high safety environments—such as high-rise towers, hospital operating areas, metro lines, airports, and emergency centers—this cable combines:

  • Low Smoke Zero Halogen (LSZH) flame-retardant technology
  • Certified fire resistance to maintain circuit integrity under flame
  • XLPE insulation & PE sheath for long-term stability
  • Non-armored, lightweight construction for easier installation

Engineered to meet stringent codes including GB/T 19666, GB 12666, GB/T 12666.6, it is tailored for projects facing the toughest fire safety acceptance checks.

Model Decoding - Double Safety in a Lightweight Design
What "WDZN-YJY" Means
CodeComponentFunction & Safety Advantage
WDZLow Smoke Zero Halogen Flame-Retardant SystemHalogen-free, low-smoke formulation. Under fire, smoke density stays low (≤50%) and no corrosive halogen acid gases are released. Helps prevent flame spread and limits damage to people and equipment.
NFire-Resistant FunctionIndicates fire-resistance capability in line with GB/T 12666.6 Class N. Maintains circuit integrity for approximately 90 minutes at 750°C.
YJCross-Linked Polyethylene (XLPE) InsulationSupports continuous operation at 90°C with high insulation resistance (≥100 MΩ·km). Low dielectric loss improves transmission efficiency.
YPolyethylene (PE) SheathEnvironmentally friendly, non-toxic outer layer with strong resistance to UV, weathering, and low temperatures.
Compared to WDZ-YJY: WDZN-YJY adds fire-resistance capability to maintain power during fire events.
WDZN-YJY Fire-Resistant Cable product image showing construction and labeling
5 Key Advantages - Tailored for Critical Fire Safety Circuits
1. Flame-Retardant + Fire-Resistant - Two Layers of Protection

WDZN-YJY doesn't just slow fire; it's designed to keep critical systems energized:

  • Flame-retardant behavior: Limits flame propagation and avoids burning droplets
  • Fire-resistant core: Maintains circuit integrity for 90 minutes at 750°C
  • Emergency support: Ensures power for fire-fighting lifts, emergency lighting, sprinkler pumps, and evacuation signage
  • Low smoke, halogen-free: Minimal smoke and no toxic fumes for safer evacuation
2. Non-Armored & Lightweight - Made for Shafts, Trays & Conduits
  • Typically 25-30% lighter than comparable armored cables
  • Installation efficiency increases by approximately 30%
  • Minimum bending radius of only ≈15* cable diameter
  • Ideal for vertical shafts, cable trays, conduit wiring, and embedded runs
3. XLPE + PE Structure - Long Service Life & Stable Performance
  • XLPE insulation: Operating temperature up to 90°C, handles low temperatures around -40°C
  • PE sheath: Non-toxic, halogen-free with strong UV and weather resistance
  • High-purity copper conductor: Conductivity close to 99.97% IACS
  • Service life can exceed 25 years when installed correctly
4. High-Compliance Solution - Designed for Zero-Tolerance Fire Audits

Tailored for projects where fire inspections must be passed on the first attempt:

  • Supports dual requirements of "flame-retardant + fire-resistant" cables
  • Suitable for public infrastructure with strict acceptance rules
  • Meets both environmental expectations and emergency power continuity needs
5. Flexible Customization - Configuration Fits the Scenario
  • Flame-retardant grades: WDZ-A / WDZ-B / WDZ-C options
  • Fire-resistant categories: Class N / NH as needed
  • Core configurations: 1-5 cores, 1.5-400 mm² cross-sectional area
  • Voltage class: Upgradable designs up to approximately 10 kV
Technical Specifications - Typical WDZN-YJY Configurations
Cores * Section (mm²)Conductor MaterialXLPE Insulation (mm)PE Sheath (mm)Fire-Resistant Layer (mm)Approx. Outer Diameter (mm)Rated Voltage (kV)Approx. Weight (kg/km)DC Resistance at 20°C (Ω/km)Fire Resistance (GB/T 12666.6)
3 * 10 + 1 * 6High-purity copper1.01.80.525.80.6/1420≤ 1.83750°C * 90 min
3 * 16 + 1 * 10High-purity copper1.01.80.529.20.6/1560≤ 1.15750°C * 90 min
3 * 25 + 1 * 16High-purity copper1.22.00.633.80.6/1780≤ 0.74750°C * 90 min
3 * 50 + 1 * 25High-purity copper1.42.20.642.30.6/11320≤ 0.38750°C * 90 min
4 * 120High-purity copper1.62.50.853.50.6/12450≤ 0.16750°C * 90 min
5 * 240High-purity copper2.03.00.873.20.6/14800≤ 0.08750°C * 90 min
Fire-resistant layer: Uses a ceramifiable silicone rubber formulation that turns into a rigid, ceramic-like shell in a fire, helping to shield the conductors from short circuits.
Typical Application Scenarios
High-Rise & Super High-Rise Buildings
Fire-resistant cabling for evacuation routes, emergency systems and main risers
Hospitals, Operating Theatres & Emergency Centers
Power supply to life-sustaining and emergency systems
Subways, Airports & Major Stations
Maintains power for evacuation signage and emergency lighting
Data Centers & Core Equipment Rooms
High-density zones needing halogen-free, low-smoke behavior
Schools, Kindergartens, Elderly Care Facilities
Buildings with vulnerable occupants requiring extra evacuation time
Large Shopping Malls & Commercial Complexes
High crowd density demanding dual-certified cables
WDZN-YJY cable installation in cable tray system Close-up view of WDZN-YJY cable construction and materials
Frequently Asked Questions
Q1: What is the main difference between WDZN-YJY and standard WDZ-YJY?
A: WDZ-YJY focuses on low smoke zero halogen flame-retardant performance. WDZN-YJY adds fire-resistance capability, meaning it can keep critical circuits energized during a fire.
Q2: When should I choose non-armored WDZN-YJY instead of an armored fire-resistant cable?
A: Choose non-armored WDZN-YJY when cables are routed through conduits, shafts, trays, ceilings or walls where they are not directly exposed to heavy mechanical loads.
Q3: How long can WDZN-YJY maintain power under fire conditions?
A: Under standard fire-resistance test conditions (750°C), WDZN-YJY maintains circuit integrity for approximately 90 minutes.
Q4: Does the LSZH formulation affect electrical performance?
A: No. The LSZH sheath and fire-resistant layer provide safety benefits while the XLPE insulation and copper conductor ensure solid electrical performance.
Q5: Can WDZN-YJY be used outdoors?
A: Yes, as long as it is not directly buried. The PE sheath offers strong UV and weather resistance.
Q6: Can you customize WDZN-YJY to match our local fire codes?
A: The cable can be configured with different flame-retardant and fire-resistance levels to align with local codes and project specifications.
China Zero Halogen Flame Retardant Cable 11KV Fire Resistant Low Smoke Cables factory
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