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KEMA approval is recognised as the key independent Dutch third-party accreditation for electrical cables, particularly important when working on low voltage installation projects in the Netherlands and across Europe. KEMA approvals are issued by KEMA Labs, based in Arnhem, The Netherlands. KEMA Labs' parent company is CESI (Centro Elettrotecnico Sperimentale Italiano), the Italian independent testing and laboratories business, having acquired the testing division from DNV GL Energy in 2019.

What are KEMA Approved Cables?

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IEC 60502 is an international standard published by the International Electrotechnical Commission (IEC) that sets out the specification for power cables with extruded insulation. The standard covers cables with voltage ratings from 1 kV (Um = 1.2 kV) up to 30 kV (Um = 36 kV), designed for fixed installations such as distribution networks and industrial installations. This widely recognized standard serves as a primary reference for cable manufacturers worldwide and forms the basis for numerous national and regional cable standards.

What is IEC 60502 Cable?

IEC 60502 對導體類型、絕緣材料和護套化合物提供了詳細規格。絕緣材料包括 PVC(最高溫度 70°C)、XLPE、EPR 和 HEPR(均為最高 90°C)。導體類別包括第 1 類(實心)、第 2 類(絞合)和第 5 類(柔性),尺寸範圍從 1.5 mm² 到 1600 mm²。護套化合物包括 PVC、PE 和用於防火敏感區域的無鹵素材料。XLPE 絕緣的標稱厚度從 0.6/1 kV 的 1.0 mm 到 18/30 kV 的 8.0 mm 不等。