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water blocked cable

8 Min Read
IEC 60840 is an internationally recognized standard developed by the International Electrotechnical Commission (IEC) that defines the test methods and performance requirements for high-voltage power cable systems with extruded insulation. The standard applies to systems designed for rated voltages above 30 kV (Um = 36 kV) up to and including 150 kV (Um = 170 kV), making it the essential reference for cables used in power transmission infrastructure, grid interconnections, and large-scale industrial energy networks.
Technical Department
on29/12/2025

What is IEC 60840 Cable?

IEC 60840 is an internationally recognized standard developed by the International Electrotechnical Commission (IEC) that defines the test methods and performance requirements for high-voltage power cable systems with extruded insulation. The standard applies to systems designed for rated voltages above 30 kV (Um = 36 kV) up to and including 150 kV (Um = 170 kV), making it the essential reference for cables used in power transmission infrastructure, grid interconnections, and large-scale industrial energy networks.
8 Min Read
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.
Technical Department
on29/12/2025

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。
8 Min Read
HD 620 is commonly linked to the German national standard DIN VDE 0276 Part 620 and is harmonized with international standard IEC 60502-2. The standard establishes comprehensive construction requirements, dimensional specifications, and test methods that exceed the baseline requirements of IEC 60502-2. Both HD 620 and IEC 60502-2 require compulsory conductor and insulation screening, typically applied through a triple extrusion process with the insulation layer. The test methodology for compliance is set out in HD 605 subclause 2.1.1 for insulation material and HD 605 subclause 2.1.2 for sheath material.
Technical Department
on29/12/2025

What is HD620 Standard Cable?

HD 620 cables are designed for power distribution networks, industrial installations, and infrastructure applications. These medium voltage cables are suitable for permanent installation in various environments including underground, outdoor, and cable ducting installations.
6 Min Read
British Standard BS7870-4.10 specifies requirements for medium voltage (MV) polymeric insulated cables manufactured specifically for use by distribution and generation utility industry sectors. These single core cables are designed for primary power distribution, connecting sub-mains to local networks where the final connection occurs. They form the foundation of electricity supply from distribution mains worldwide.
Technical Department
on19/12/2025

What is BS7870-4.10 Cable?

BS7870-4.10電纜, BS7870電纜, 中壓電纜, MV電纜, 11kV電纜, 33kV電纜, 22kV電纜, XLPE電纜, 配電電纜, 公用事業電纜, DNO電纜, 一次配電電纜, 單芯中壓電纜, 聚合物絕緣電纜, 電力配電電纜, 電網電纜, 地下電纜, MDPE護套電纜, LSZH中壓電纜, 銅中壓電纜, 鋁中壓電纜, 三芯絞合電纜, 無鎧裝中壓電纜, 屏蔽中壓電纜 BS7870-4.10, BS7870 cable, medium voltage cable, MV cable, 11kV cable, 33kV cable, 22kV cable, XLPE cable, distribution cable, utility cable, DNO cable, primary distribution cable, single core MV cable, polymeric insulated cable, power distribution cable, grid cable, underground cable, MDPE sheath cable
7 Min Read
Wind turbine medium voltage cables serve as the critical power transmission lifeline connecting wind turbine generators to step-up transformers and grid infrastructure. These cables must withstand extreme operational conditions including continuous mechanical stress from nacelle rotation, temperature fluctuations from -40°C to +90°C, and exposure to moisture in both onshore and offshore environments.
Technical Department
on12/12/2025

Wind Turbine Medium Voltage XLPE Power Cables12/20 (24) kV — Longitudinally & Radially Sealed

12/20 (24) kV XLPE-insulated cables manufactured by Anhui Feichun Special Cable Co., Ltd. feature longitudinal and radial water-blocking technology, ensuring reliable performance throughout the cable’s 30+ year design life. The cross-linked polyethylene (XLPE) insulation provides superior dielectric properties compared to traditional PVC, enabling higher operating temperatures and improved current-carrying capacity.