Shielded Heavy-Duty Ground Check Cables (SHD-GC) are specialized power supply and connection cables designed for large material handling equipment such as excavators in opencast mining operations. These cables withstand extremely high mechanical stresses and are particularly suitable for trailing operations where abrasion and chafing stresses are expected.
PROTOLON(SB) SHD-GC I 5 – 15 KV
Shielded Heavy-Duty Ground Check Cables (SHD-GC) are specialized power supply and connection cables designed for large material handling equipment such as excavators in opencast mining operations. These cables withstand extremely high mechanical stresses and are particularly suitable for trailing operations where abrasion and chafing stresses are expected.
屏蔽重型接地检测电缆 (SHD-GC) 是专为大型物料搬运设备（如露天矿山挖掘机）设计的供电和连接电缆，可承受极高的机械应力，特别适用于预期磨损和擦伤应力的拖曳作业。
Standards & Approvals (标准与认证)
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ANSI/NEMA WC 58 / ICEA S-75-381 – Portable and Power Feeder Cables for Use in Mines and Similar ApplicationsReference: ANSI Standards Store
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DIN VDE 0298-3 – Application of cables and cords in power installations (General mechanical parameters)Reference: DIN Media
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DIN EN 60332-1-2 / IEC 60332-1-2 – Fire performance testing (Vertical flame propagation test)Reference: IEC Webstore
- IEC 60811-404 – Chemical behaviour testing standards
- EN 50525-2-21 – Electrical parameters compliance
Technical Parameters (技术参数)
Thermal Parameters (热参数)
| Parameter (参数) | Value (数值) |
|---|---|
| Max. Conductor Temperature (最高导体温度) | 90 °C |
| Max. Conductor Temperature at Short Circuit (短路时最高导体温度) | 250 °C |
| Ambient Temperature – Fixed Installation Min. (固定安装最低环境温度) | -40 °C |
| Ambient Temperature – Fixed Installation Max. (固定安装最高环境温度) | 80 °C |
| Ambient Temperature – Flexible Installation Min. (柔性安装最低环境温度) | -30 °C |
| Ambient Temperature – Flexible Installation Max. (柔性安装最高环境温度) | 60 °C |
Chemical Parameters (化学参数)
| Property (性能) | Specification (规格) |
|---|---|
| Flame Retardant (阻燃性) | EN/IEC 60332-1-2 Compliant |
| Oil Resistance (耐油性) | Yes (是) |
| Ozone Resistance (耐臭氧性) | Yes (是) |
| UV Resistance (耐紫外线性) | Yes (是) |
Mechanical Parameters (机械参数)
| Parameter (参数) | Value (数值) |
|---|---|
| Torsional Stress (扭转应力) | +/- 25 °/m |
| Permanent Tensile Strength (Rule) (永久拉伸强度) | 20 N/mm² static |
| Bending Radius – Fixed Installation (弯曲半径-固定安装) | 6 x D (acc. to VDE 0298-3) |
| Bending Radius – Flexible Operation (弯曲半径-柔性操作) | 10 x D |
Electrical Parameters (电气参数)
| Voltage Rating (电压等级) | Rated Voltage U0/U (Um) (额定电压) | Test Voltage (测试电压) | Nominal Voltage U (标称电压) |
|---|---|---|---|
| 5 kV | 5 kV | 14 kV | 5,000 V |
| 8 kV | 8 kV | 23 kV | 8,000 V |
| 15 kV | 15 kV | 43 kV | 15,000 V |
Cable Construction (电缆结构)
- Conductor (导体): Finely stranded copper, tinned / 精细绞合镀锡铜
- Ground-Check (接地检测): Finely stranded copper, tinned, with yellow rubber insulation / 精细绞合镀锡铜，带黄色橡胶绝缘
- Ground (接地): Finely stranded copper, tinned / 精细绞合镀锡铜
- Inner Semi-conducting Layer (内半导电层): Semi-conductive EPR / 半导电EPR
- Core Insulation (芯线绝缘): EPR rubber PROTOLON / EPR橡胶PROTOLON
- Outer Semi-conducting Layer (外半导电层): Semi-conductive NBR easy strip / 半导电NBR易剥离
- Core Arrangement (芯线排列): Three main conductors with individual concentric mix screen of tinned copper and colored polyester yarn, laid up with 2 ground conductors and one GC in the outer interstices. Tear-resistant reinforcing tape over assembly / 三根主导体，每根配有镀锡铜和彩色聚酯丝同心混合屏蔽，与2根接地导体和1根GC线缆绞合在外部间隙中，组件上覆盖抗撕裂加强带
- Inner Sheath (内护套): Rubber – polychloroprene (PCP) / 橡胶-氯丁橡胶
- Armoring/Reinforcement (铠装/加强): Polyester Mesh tape / 聚酯网状带
- Outer Sheath (外护套): Rubber – polychloroprene (PCP) / 橡胶-氯丁橡胶
Applications (应用场景)
These cables are specifically designed for use as power supply or connection cables for large material handling machines operating in extremely harsh environments. Primary applications include excavators and draglines in opencast mining operations where cables are subject to severe mechanical stress, including abrasion, chafing, torsion, and dynamic tensile loads during trailing operations.
这些电缆专为在极端恶劣环境中运行的大型物料搬运机械的供电或连接电缆而设计。主要应用包括露天采矿作业中的挖掘机和拉铲，在这些作业中，电缆在拖曳操作期间承受严重的机械应力，包括磨损、擦伤、扭转和动态拉伸负载。
Quality Certifications (质量认证)
The PROTOLON(SB) SHD-GC I cable series meets international standards for mining and heavy-duty industrial applications. The flame retardant properties comply with IEC 60332-1-2, which specifies testing procedures for vertical flame propagation resistance under fire conditions. This certification ensures the cable can self-extinguish and minimize fire damage in critical installations.
PROTOLON(SB) SHD-GC I系列电缆符合采矿和重型工业应用的国际标准。阻燃性能符合IEC 60332-1-2标准，该标准规定了在火灾条件下垂直火焰传播阻力的测试程序。此认证确保电缆可以自熄并最大程度地减少关键安装中的火灾损害。
![MYP cables must obtain MA (煤安) certification before they can be legally used in Chinese coal mines. The MA mark, administered by the National Coal Mine Safety Mark Office (煤矿安全标志办公室), represents mandatory safety certification for all underground coal mining equipment and materials. MYP cables, as mobile power supply cables for coal mining machinery, fall under the strictly regulated product categories defined in the Mining Product Safety Sign Management Catalog and must comply with Chinese national standards MT 818 series and GB 12972.[1][2] 是的，MYP电缆在中国煤矿使用前必须获得MA（煤安）认证。由国家煤矿安全标志办公室管理的MA标志，代表了所有井下煤矿设备和材料的强制性安全认证。MYP电缆作为煤矿机械的移动电源电缆，属于《矿用产品安全标志管理目录》中严格管制的产品类别，必须符合中国国家标准MT 818系列和GB 12972。](https://feichuncables.com/blog/wp-content/uploads/image-653-400x225.avif "PROTOLON (SB-SAM) (N)TSCGEWOEU I 6 - 20 KV 2")
