RHEYFIRM® (S) 3+3 Core Design: Why Does Nexans Use Distributed Earth in the (S) Series and How Does It Affect EMC?
The RHEYFIRM® family represents Nexans’ flagship line of flexible medium-voltage reeling cables, engineered specifically for extreme mechanical stress applications including Ship-to-Shore (STS) cranes, Rail Mounted Gantry (RMG) cranes, stacker reclaimers, and heavy mobile mining equipment. The “(S)” designation indicates the symmetrical configuration featuring the distinctive 3+3 core design, where three phase conductors are complemented by three protective earth conductors strategically positioned in the cable interstices.
RHEYFIRM®系列是Nexans旗下的中压柔性卷筒电缆产品线,专为极端机械应力应用设计,包括岸桥(STS)起重机、轨道式龙门起重机(RMG)、堆取料机及重型移动采矿设备。”(S)”标识表示对称配置,采用独特的3+3芯设计,三根相线导体与三根保护接地导体战略性地布置在电缆间隙中。












![What Does the Letter "C" Indicate in (N)TSCGEWÖU Versus "K" in (N)TSKCGEWÖU? 13 Medium voltage reeling cables conforming to DIN VDE 0250-813 employ a systematic letter coding system that communicates precise information about cable construction, materials, and performance characteristics. Within this nomenclature, each letter position corresponds to a specific structural element or material property, enabling engineers to identify critical design features at a glance.[1][2] 符合DIN VDE 0250-813标准的中压卷筒电缆采用系统性的字母编码系统,传达电缆结构、材料和性能特性的精确信息。在该命名法中,每个字母位置对应特定的结构元素或材料属性,使工程师能够一目了然地识别关键设计特征。](https://feichuncables.com/blog/wp-content/uploads/image-555-789x702.avif)



















