Copper core polyolefin insulated polyolefin sheathed LSZH flexible cable
The WDZ-RYY LSZH flame-retardant flexible cable is manufactured using oxygen-free copper conductors of Class 5 stranding, ensuring high conductivity and flexibility. Its insulation and outer sheath are constructed from premium-grade polyolefin compounds that are both flame-retardant and halogen-free, producing minimal smoke when exposed to fire. This design effectively eliminates the release of toxic halogen gases during combustion, making the cable well-suited for use in locations with strict fire protection regulations. Built for longevity and dependability, it delivers consistent performance under demanding conditions.
Application
LSZH flexible cable is suitable for installation and use in systems with high fire protection requirements.
These cables have the characteristics of low smoke and low toxicity. In addition to preventing the spread of fire, they will not produce a large amount of toxic gas that is harmful to human health, reducing the losses caused by secondary fire disasters.
Product Advantages
Fire-Safe LSZH Design
Built from low-smoke, halogen-free compounds, this cable produces negligible corrosive emissions (meeting IEC 60754-2) and very limited smoke density (in line with IEC 61034) in case of fire-safeguarding both personnel and nearby electronic equipment.
Superior Thermal Performance
Rated for continuous operation at conductor temperatures as high as +90°C, it offers a greater heat tolerance compared to conventional PVC-insulated alternatives.


Effective Flame Containment
The cable is inherently self-extinguishing and passes IEC 60332-1 (equivalent to GB/T 18380.12), effectively halting the progression of flames along its length.
User-Friendly Marking
Clearly labeled core numbers are provided to facilitate quick circuit identification during installation, cutting down on both labor time and the likelihood of wiring mistakes.
Globally Compliant Materials
Produced without restricted substances, it fully adheres to RoHS directives, supporting environmentally responsible projects worldwide.

Packaging
Finished product + wooden barrel packaging

Technical index
|
Item |
Specification |
|
Model Type |
WDZ-RYY (LSZH Flexible Cable) |
|
Rated Voltage (U₀/U) |
300/500V |
|
Test Voltage |
2000V |
|
Conductor |
Plain Annealed Bare Copper (IEC 60228 Class 5) |
|
Insulation & Sheath |
Low Smoke Zero Halogen Polyolefin (Grey RAL 7001) |
|
Max. Operating Temp. |
+90°C (Conductor continuous) |
|
Min. Ambient Temp. |
-15°C |
|
Min. Bending Radius |
Fixed: ≥ 6 × OD / Mobile: ≥ 15 × OD |
|
Safety Compliance |
IEC 60754-2, IEC 61034, IEC 60332-1, RoHS |

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