Low smoke, halogen-free and low toxicity cable with rated voltage of 0.6/1kV and below. The cable conductor is made of copper or aluminum. Some models (such as WDZBN-YJY) have an additional fire-resistant layer design. When burning, only a small amount of non-toxic water mist is released. It meets the B1 flame retardant requirements of GB 31247-2014. When laying, the bending radius of single-core cable is ≥15 times the outer diameter, and that of multi-core cable is ≥10 times the outer diameter.
AC rated voltage (U0/U): 0.6/1kV
Operating temperature: The long-term allowable operating temperature of cross-linked polyethylene
insulated conductors shall not exceed +90°C
Minimum ambient temperature: -15℃
Implementation standard:Mainly based on standards such as GB/T 12706.1-2020 (power cable), GB
31247-2014 (combustion performance), and GB/T 19666-2019 (flame retardant and fire resistant).
| Characteristic code | model | |
| WDUZ(A、B、C、D) | Copper Core | Aluminum Core |
| YJY | YJLY | |
| YJY23 | YJLY23 | |
| Model | Number of cores | Nominal cross section |
| WDUZ(A、B、C、D)-YJY | 1 core | 1.5-630 |
| 2-5 cores, 2+1 cores, 3+1 cores, 4+1 cores, 3+2 cores | 1.5-400 | |
| WDUZ(A、B、C、D)-YJY23 WDUZ(A、B、C、D)-YJY | 1 core | 10-630 |
| 2-5 cores, 2+1 cores, 3+1 cores, 4+1 cores, 3+2 cores | 1.5-400 | |
| 1 core | 10-630 | |
| 2-5 cores, 2+1 cores, 3+1 cores, 4+1 cores, 3+2 cores | 10-400 | |
| WDUZ(A、B、C、D)-YJY23 | 1 core | 10-630 |
| 2-5 cores, 2+1 cores, 3+1 cores, 4+1 cores, 3+2 cores | 10-400 |
Low-smoke, halogen-free, and low toxicity cable with rated voltage of 0.6/1KV and below are mainly
suitable for distribution lines of emergency systems in places with large flow of people and relatively
closed environments, such as subways, hospitals, large shopping malls, and densely populated
residential areas; they are divided into armored cables and unarmored cables according to product
structure.
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