WDZ-RYY 300/500V
Low-smoke, halogen-free polyolefin multi-core cable
Applications
Used in subways, high-rise buildings, shopping malls, theaters, power plants, chemical plants, city squares, and other public utilities.
Used in applications requiring high flame-retardant properties. The combustion gases are less corrosive, preventing damage to equipment.The low-smoke, halogen-free properties significantly improve the cable material's resistance to aging, UV radiation, and other radiation, thereby extending the cable's service life.
Product Structure
Reference Standards: JB/T8734-2016 GB/T19666-2019
Conductor: Multiple fine-stranded bare copper wires, complying with GB/T3956-2008, Category V conductor
Insulation Material: Low-smoke, halogen-free polyolefin
Sheath Material: Low-smoke, halogen-free polyolefin
Sheath Color: Black and other colors available
Technical Parameters
Rated Voltage: 300/500V
Test Voltage: 2000V
Rated Temperature: -30°C to +90°C
Minimum Bend Radius:
Fixed Installation: 5 x Cable OD
Mobile Installation: 10 x Cable Outer Diameter
Flame Retardant: Meets GB/T18380.12 Single Insulated Wire Vertical Burning Test
Low Smoke: Meets GB/T17651.2
Halogen-Free: Meets GB/T17650.2
Product Features
Low smoke during combustion, higher flame retardancy
No toxic gases released in the event of a fire
| Number of cores × cross-sectional arean*mm² | outer diameter (mm) | Cable weight (kg/km) | Number of cores × cross-sectional area n*mm² | outer diameter (mm) | Cable weight (kg/km) |
| 2x0.5 | 5.0 | 35 | 2x0.75 | 5.6 | 46 |
| 3x0.5 | 5.3 | 42 | 3x0.75 | 5.8 | 54 |
| 4×0.5 | 5.8 | 50 | 4×0.75 | 6.4 | 66 |
| 5x0.5 | 6.5 | 64 | 5x0.75 | 6.9 | 79 |
| 6x0.5 | 7.0 | 79 | 6x0.75 | 7.5 | 98 |
| 7x0.5 | 7.0 | 82 | 7x0.75 | 7.5 | 105 |
| 8x0.5 | 8.1 | 101 | 8x0.75 | 9.0 | 131 |
| 10x0.5 | 9.2 | 126 | 10x0.75 | 9.9 | 155 |
| 12x0.5 | 9.4 | 136 | 12x0.75 | 10.2 | 172 |
| 14x0.5 | 9.7 | 164 | 14x0.75 | 11.1 | 196 |
| 16x0.5 | 10.4 | 185 | 16x0.75 | 12.0 | 224 |
| 18x0.5 | 11.5 | 201 | 18x0.75 | 13.2 | 258 |
| 2x1.0 | 5.9 | 53 | 2×2.5 | 7.7 | 98 |
| 3x1.0 | 6.2 | 63 | 3×2.5 | 8.3 | 124 |
| 4x1.0 | 6.7 | 76 | 4×2.5 | 9.1 | 154 |
| 5x1.0 | 7.3 | 94 | 5×2.5 | 10.2 | 192 |
| 6x1.0 | 8.2 | 124 | 7×2.5 | 12.6 | 247 |
| 7x1.0 | 8.2 | 133 | 9x2.5 | 13.6 | 400 |
| 8x1.0 | 9.7 | 158 | 12×2.5 | 15.0 | 423 |
| 10x1.0 | 10.5 | 187 | 14×2.5 | 16.0 | 490 |
| 12x1.0 | 10.6 | 202 | 18×2.5 | 18.1 | 622 |
| 14x1.0 | 11.5 | 236 | 2x4 | 8.9 | 186 |
| 18x1.0 | 13.0 | 302 | 3x4 | 10.1 | 196 |
| 20x1.0 | 13.8 | 339 | 4x4 | 11.0 | 241 |
| 2x1.5 | 6.5 | 67 | 5x4 | 12.3 | 301 |
| 3x1.5 | 6.9 | 82 | 12x4 | 20.2 | 800 |
| 4x1.5 | 7.4 | 100 | 3x6 | 11.9 | 281 |
| 5x1.5 | 8.3 | 122 | 4x6 | 13.1 | 354 |
| 6x1.5 | 9.1 | 150 | 5x6 | 14.6 | 440 |
| 7x1.5 | 9.1 | 159 | 3x10 | 14.7 | 451 |
| 8x1.5 | 10.7 | 208 | 4x10 | 16.3 | 573 |
| 10x1.5 | 11.7 | 247 | 5x10 | 18.2 | 711 |
| 12x1.5 | 12.0 | 277 | 3x16 | 18.3 | 872 |
| 14x1.5 | 12.9 | 312 | 4x16 | 23.0 | 1066 |
| 16x1.5 | 13.7 | 361 | 5x16 | 25.6 | 1316 |
| 18x1.5 | 14.7 | 400 | 3x16 | 18.3 | 872 |
Low Smoke Halogen Free (LSHF) Polyolefin Multi Core Cables are engineered to enhance fire safety, environmental protection, and performance in electrical systems. These cables emit minimal smoke and no toxic halogen gases when exposed to fire, making them a preferred choice for installations in public areas, data centers, hospitals, transportation systems, and industrial facilities. With high flexibility, flame-retardant properties, and compliance with international standards, they combine safety with long-term reliability.
Fire Safety: Reduces risk to people and equipment in case of fire.
Eco-Friendly: Halogen-free polyolefin insulation ensures no toxic halogen gas emission.
Durability: Resistant to abrasion, mechanical stress, and chemicals.
Flexibility: Designed for ease of installation in confined spaces.
Compliance: Meets IEC, RoHS, and other international safety standards.
Proper usage ensures optimal performance and extends the lifespan of Low Smoke Halogen Free Polyolefin Multi Core Cables.
Public infrastructure (airports, subways, schools, hospitals)
Data centers and communication facilities
Industrial automation and power distribution
Transportation systems (railways, ships, automotive)
Correct Voltage Rating: Ensure the cable is used within its specified voltage range.
Installation Practices: Maintain the minimum bend radius to avoid conductor damage.
Environment Suitability: Use in areas requiring high fire safety and low emission standards.
Connector Compatibility: Pair with certified connectors for reliable performance.
Maintaining LSHF Polyolefin Multi Core Cables properly ensures long-term safety and efficiency.
Visual Checks: Regularly inspect for cracks, cuts, or jacket wear.
Cleaning: Use a dry cloth or mild detergent solution; avoid solvents or harsh chemicals.
Connector Inspection: Verify connectors are tight, corrosion-free, and properly shielded.
Re-routing Review: Ensure cables are not under mechanical stress, tension, or extreme bending.

| Frequency | Maintenance Task | Purpose |
|---|---|---|
| Monthly | Visual inspection of cable jacket | Early detection of physical damage |
| Quarterly | Connector tightening/cleaning | Prevent electrical faults |
| Semi-Annual | Cleaning of cable surfaces | Maintain insulation integrity |
| Annual | Electrical testing (continuity & insulation resistance) | Verify long-term reliability |
While using LSHF Polyolefin Multi Core Cables, following precautions ensures maximum safety and performance.
Avoid Overloading: Never exceed the recommended voltage/current rating.
Proper Routing: Prevent sharp bends and mechanical pressure on cables.
Temperature Limits: Operate within specified temperature range (-20°C to +90°C depending on design).
Fire Zones: In case of fire-prone areas, ensure compliance with local fire safety standards.
| Risk | Preventive Measure | Benefit |
|---|---|---|
| Overheating | Avoid overloading | Prevents insulation breakdown |
| Mechanical damage | Install protective conduits or trays | Extends cable service life |
| Chemical exposure | Keep away from solvents/oils | Maintains jacket integrity |
| Improper bending | Follow minimum bend radius guidelines | Avoids conductor fractures |
Avoid Continuous Stress: Do not place heavy loads on cable runs.
Proper Storage: Store in a cool, dry place away from direct sunlight and chemicals.
Routine Testing: Check continuity and insulation resistance regularly.
Reduces risk of unexpected failures.
Ensures compliance with safety regulations.
Enhances overall energy efficiency.
Extends cable lifespan, reducing replacement costs.
Low Smoke Halogen Free Polyolefin Multi Core Cables are essential for applications requiring enhanced fire safety, environmental protection, and high performance. By following recommended usage guidelines, maintenance practices, safety precautions, and care routines, these cables can provide long-lasting service with maximum reliability. They are the preferred choice for modern installations in both commercial and industrial sectors where safety and sustainability are top priorities.
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