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CU/X-90

XLPE绝缘PVC护套多芯低压电力电缆

CU/X-90 XLPE 绝缘 PVC 护套多芯低压电力电缆是一款聚焦低压配电系统的 “高性能 + 高适配” 型电缆，融合了交联聚乙烯（XLPE）的优异电气性能与聚氯乙烯（PVC）护套的耐用性，以多芯结构满足多回路集中布线需求，广泛应用于民用建筑、工业厂区、市政设施等低压配电场景，承担从干线到分支回路的电力传输任务。

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PVC绝缘PVC护套单芯低压电力电缆

PVC绝缘单芯低压电力电缆

产品特点

标准与认证

结构

技术参数

配置

XLPE 绝缘，介损低、载流高

90°C 长期工作，适配高温环境

多芯集中布线，减少根数

AS/NZS 5000.1

退火软铜丝+XLPE绝缘+成缆+PVC护套

1. 电气性能（核心优势）

电压等级：0.6/1kV（低压标准等级），可长期承受 600V 对地电压、1000V 线间电压，绝缘介损因数（20°C 时）≤0.005，远低于 PVC 绝缘（≤0.08），电气损耗极低。
载流量：基于 “环境温度 40°C、自由空气敷设” 条件，不同规格载流量参考（以 3 芯为例）：
- 3c2.5mm²：约 28A（可带载 6.2kW 单相 / 17kW 三相负载）；
- 3c10mm²：约 70A（可带载 15.4kW 单相 / 43kW 三相负载）；
- 3c70mm²：约 195A（可带载 42.9kW 单相 / 121kW 三相负载）；
- 3c240mm²：约 350A（可带载 77kW 单相 / 210kW 三相负载）；
短路耐受：短路时（1 秒内）可承受 30-120kA 短路电流（随截面增大提升），XLPE 绝缘在短路高温（可达 250°C）下不易熔化，避免绝缘击穿引发故障。

2. 耐温与环境适应性

温度范围：长期工作温度 - 20°C 至 + 90°C（低温下 PVC 护套不脆裂，XLPE 绝缘不硬化；高温下绝缘性能稳定，无软化现象）；
耐候性：PVC 护套可选 “耐候型”（添加抗 UV 剂），户外使用时可抵御紫外线老化，使用寿命达 15 年以上（普通 PVC 护套户外寿命约 8 年）；
耐化学性：耐受弱酸碱（如 pH 4-9 的溶液）、机械油、汽油的泼溅，不适用于强腐蚀环境（如浓盐酸、高盐雾海边区域）；
阻燃性：PVC 护套具备 “自熄性”（离开火源后 30 秒内熄灭），部分型号可升级为 GB/T 18380.1-2002 阻燃 B 级，适合人员密集场所（如商场、办公楼）。

3. 机械性能

柔性：多股铜导体 + 多芯绞合结构，弯曲半径小（固定敷设≤4 倍电缆外径，移动敷设≤6 倍电缆外径），可在电缆桥架转角、墙内穿管、设备间隙灵活布线；
耐磨性：PVC 护套表面硬度≥邵氏 D70，敷设时可抵御穿线管内壁、桥架边缘的摩擦，不易破损；
抗冲击性：常温下可承受 10J 冲击（如轻微撞击、踩踏），护套无开裂，内部绝缘与导体不受损伤

PVC绝缘PVC护套单芯低压电力电缆

PVC绝缘单芯低压电力电缆