WDZ-BYJ 2.5mm2 XLPE LSZH Cable Insulated For High Rise Building
Price:
0.3-1USD
MOQ:
100m
Delivery Time:
5-8
Brand:
JinHong
Product Description
WDZ-BYJ 2.5mm² XLPE Cable - Low Smoke Halogen-Free Flame Retardant
WDZ-BYJ is a Low Smoke Zero Halogen (LSZH) Flame-Retardant Polyethylene Insulated Copper Wire, designed for fixed electrical installations in environments requiring high fire safety and environmental protection.
Cable Designation Breakdown
- W: Low Smoke
- D: Halogen-Free
- Z: Flame Retardant
- BYJ: Cross-Linked Polyethylene Insulated Copper Wire
Applications
- Building Wiring: Fixed electrical circuits in residential, commercial, and industrial buildings
- Public Spaces: Hospitals, schools, shopping malls, and subways
- Energy Systems: Solar power installations and battery storage systems
- Control Systems: Wiring for automation and control panels
Key Advantages
- Enhanced Safety: Halogen-free and low smoke properties protect personnel and equipment
- High Temperature Resistance: XLPE insulation ensures reliable performance under high loads
- Environmental Friendliness: No toxic emissions during fire incidents
- Compliance: Meets international standards for fire safety and environmental protection
Technical Specifications
| Nominal Section (mm²) | Number/Diameter of Core (mm) | Maximum Outer Diameter (mm) | Reference Weight (kg/km) |
|---|---|---|---|
| 1.5 | 1/1.38 | 3.3 | 18.5 |
| 2.5 | 1/1.78 | 3.9 | 29 |
| 4 | 1/2.25 | 4.4 | 40 |
| 6 | 1/2.76 | 4.9 | 66 |
| 10 | 7/1.35 | 6.8 | 90 |
| 16 | 7/1.70 | 8.0 | 130 |
| 25 | 19/1.33 | 9.8 | 205 |
| 35 | 19/1.50 | 11.0 | 270 |
| 50 | 19/1.80 | 13.0 | 370 |
| 70 | 19/2.14 | 15.0 | 490 |
| 95 | 19/2.50 | 17.0 | 630 |
| 120 | 37/2.00 | 19.0 | 780 |
| 150 | 37/2.25 | 21.0 | 950 |
| 185 | 37/2.50 | 23.5 | 1150 |
Frequently Asked Questions
What does WDZ-BYJ stand for?
- W: Low Smoke
- D: Halogen-Free
- Z: Flame Retardant
- BYJ: Fixed Wiring Cable with XLPE Insulation
It is a halogen-free, flame-retardant, low-smoke emission building wire with XLPE insulation and a copper conductor, designed for safe and environmentally friendly fixed electrical installations.
What are the three key safety features (WDZ)?
This cable is defined by a triple safety combination crucial for human safety:
- Low Smoke (W): Emits minimal optical smoke when exposed to fire, maintaining visibility for safe evacuation
- Halogen-Free (D): Produces no toxic or corrosive acidic gases when burning, preventing harm to people and equipment
- Flame Retardant (Z): Inhibits the spread of flame along the cable
Where is WDZ-BYJ cable typically required or recommended?
It is mandated or strongly advised in public buildings and spaces with high occupancy or critical functions where fire safety is paramount, such as:
- Subways, airports, train stations, and tunnels
- Hospitals, schools, and shopping malls
- High-rise buildings, hotels, and data centers
- Emergency lighting and alarm system circuits
What are the key advantages of XLPE (BYJ) insulation over standard PVC?
- Higher Temperature Rating: 90°C continuous operating temperature (vs. 70°C for PVC), allowing for higher current carrying capacity
- Better Aging Resistance: More stable and durable over the long term
- Excellent Dielectric Strength
What are the standard voltage and temperature ratings?
- Rated Voltage: 450/750V
- Long-term Operating Temperature: 90°C
- Short-circuit Withstand Temperature: Up to 250°C (for max 5 seconds)
Is WDZ-BYJ cable fire-resistant (able to maintain circuit integrity during a fire)?
No, it is not. It is Flame-Retardant (Z). Its primary function is to not propagate fire and to minimize hazardous smoke and fumes. For circuits that must continue to operate during a fire (e.g., critical fire alarm paths), you need a Fire-Resistant (NH-) cable, such as NH-BYJ or WDZN-BYJ.
Can it be used outdoors or for direct burial?
No. Standard WDZ-BYJ is designed for fixed indoor installations in conduits, trunking, or on cable trays. It is not suitable for direct burial, prolonged UV exposure, or wet locations without additional protection. Its LSZH sheath is for fire safety, not for prolonged outdoor weathering.
What international standards and certifications does it comply with?
It is designed to meet stringent international safety standards:
- Halogen-Free: IEC 60754-1
- Low Smoke Density: IEC 61034
- Flame Retardancy: IEC 60332-1
- Cable Construction: IEC 60502-1 or IEC 60227
- Common Certifications: CE, CPR (Construction Products Regulation) Euroclass (e.g., B2ca, Cca-s1a,d1,a1)
Why choose WDZ-BYJ for a building project?
Choose WDZ-BYJ when your project's safety philosophy prioritizes the protection of human life and critical infrastructure from fire-related hazards (smoke inhalation, corrosive gas damage). It is the responsible, modern choice for ethical construction in public and commercial spaces, aligning with green building principles and stringent safety codes.
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Company
JinHong Wire And Cable Group
Location
Factory ：No. 9, Pengfeng Road, Tongyang Industrial Park, Chaohu City, Hefei City, Anhui Province.
Contact Person
Wendy Fan