UL4703 单芯证书
2025/1/13
- 有效期:
- 2024/1/10 - 2100/1/10
- 编号:
- UL-US-2401151-0
- 发证机构:
- UL LLC.
UL 4703认证是光伏（PV）电缆在太阳能发电装置中的关键标准。该认证由美国保险商实验室（UL）制定，确保光伏电缆满足特定的耐久性、安全性和可靠性要求，使其能够应对太阳能系统经常面临的严苛环境。对于太阳能发电系统而言，可靠的UL 4703认证至关重要，因为这些电缆是光伏组件、逆变器和其他系统组件之间电气连接的基础。
UL 4703 是专门为光伏电线电缆设计的认证标准。太阳能发电系统由于长期暴露在极端户外环境中，例如阳光直射、高温低温、潮湿，有时还会受到盐雾或化学物质的侵蚀，因此需要使用特殊的电线电缆。UL 4703 评估光伏电缆承受这些压力的能力，并确保其能够安全地处理太阳能装置相关的直流电压。
符合 UL 4703 认证的电缆采用高耐久性、优异的电气绝缘性能以及抗环境因素侵蚀的绝缘和护套材料制成。这些特性对于维持系统效率、安全性和使用寿命至关重要，因为光伏电缆通常需要运行数十年。
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