[email protected]

12/20kV reeling cable

4 Min Read
BASKET SPREADER 740 (YSLTOE) is engineered specifically for hoisting and control applications where mechanical flexibility and electrical reliability must coexist in marine environments. Unlike load-bearing structural cables (which prioritize tensile strength), control cables emphasize: Conductor flexibility – Repeated bending over pulleys without mechanical fatigue Insulation integrity – Voltage breakdown resistance under salt-fog corrosion Mechanical damping – Rope-like flexibility to drape naturally in spreader bar frames Environmental barrier – Outer sheath blocks salt, moisture, and UV penetration Core Design Elements: Component Material Specification Function Port Environment Benefit Conductor Flexible red copper Class 6 (IEC 60228) Carries 300/500V power; enables bending flexibility High purity copper resists galvanic corrosion Insulation PVC type YI2 (IEC 60811) Electrical isolation; voltage breakdown resistance (2 kV test) PVC with marine additives prevents salt-induced tracking Central Unit Aramide yarns (Kevlar™ equivalent) Mechanical load-bearing backup; structural integrity Aramide resists moisture & salt; absorbs vibration stress Outer Sheath PUR type 11YM1 (DIN 73377) Environmental barrier; UV/ozone/moisture protection Superior salt-fog resistance; 20+ year marine lifespan
Technical Department
on18/06/2026

什么是 PANZERFLEX-ELX MV + Fiber Optic from 3,6/6 to 12/20 kV：矿山与港口中压动力光纤复合卷筒电缆技术解析

PANZERFLEX-ELX MV + Fiber Optic 所代表的是一种将中压动力传输、光纤数据传输和高动态机械寿命集成在同一电缆系统中的技术架构。它面向矿山、港口散料搬运、堆取料机、岸桥、集装箱起重机、挖掘机与拖令系统，重点解决卷筒收放中的反复弯曲、扭转、拉伸、加速度、护套磨耗、油污、潮湿与电磁干扰问题。
4 Min Read
UNE 22511 — formally titled "Cables flexibles para minería subterránea con tensiones de 1,8/3 kV con aislamiento de caucho, sin armadura" (Flexible cables for underground mining, 1.8/3 kV, rubber-insulated, unarmoured) — is the definitive Spanish standard for heavy-duty power cables connecting underground mobile mining equipment to fixed electrical distribution networks. Published and maintained by AENOR (Asociación Española de Normalización y Certificación), it operates as a specialized overlay on IEC 60502-1, extending that base standard's electrical requirements with the stringent mechanical, safety, and flame-retardancy requirements specific to enclosed underground environments. Despite its Spanish origin, UNE 22511 enjoys a geographic reach far exceeding Iberia. The standard has been adopted — formally or by reference — across the major Spanish-speaking mining economies: Chile, Peru, Colombia, Bolivia, and Mexico, where AENOR-certified cables are accepted by national mining safety regulators as the primary qualification pathway for underground mobile equipment power supply cables. In Chile alone, UNE 22511 cables are installed across dozens of operations including major copper and coal mines. The standard's engineering DNA can be described in a single imperative: extreme dynamic flexibility combined with superior resistance to combined torsional and bending fatigue. This is not merely a performance aspiration — it is a structural requirement that shapes every material choice and geometric decision in the cable's construction. The logic proceeds as follows: Underground mobile equipment (continuous miners, shearers, shuttle cars) moves continuously and repeatedly during operation, dragging its power cable behind it or winding and unwinding it from a cable reel. This motion imposes cyclic bending, axial tension, and torsional loads on the cable simultaneously — a multi-axis fatigue regime of a severity not encountered in any other industrial cable application. Standard fixed-installation cables, even those classified as "flexible," are not designed for this loading regime and will fail in fatigue within weeks to months when installed in drag duty. Therefore, every structural element of a UNE 22511 cable — conductor wire diameter, insulation compound, earth core geometry, armour exclusion, sheath specification — is selected to maximize multi-axis fatigue endurance, not any single performance parameter. ⛏ The Founding Engineering Principle UNE 22511 is an unarmoured drag cable standard. The deliberate absence of any metallic armour — which might superficially seem to reduce robustness — is in fact the defining engineering choice that makes the standard viable. Steel wire or tape armour in a continuously torsionally-loaded cable acts as a progressive-failure torsional spring: each twist cycle accumulates irreversible plastic strain in the armour wires, leading to wire fractures within 10,000–30,000 cycles. For a shuttle car cable experiencing 80,000+ torsional cycles per year, armour represents not additional protection but a built-in scheduled failure mechanism. The UNE 22511 design eliminates this failure mode at source.
Technical Department
on18/06/2026

什么是 PANZERFLEX-ELX MV from 3,6/6 to 12/20kV：矿山与散料搬运高压柔性卷筒电缆技术解析

PANZERFLEX-ELX MV 是一种面向矿山、散料搬运和重载移动设备供电的高压柔性卷筒动力电缆，覆盖 3,6/6kV、6/10kV、8,7/15kV 和 12/20kV 电压等级。它适用于连接机床或物料搬运设备的移动部件，例如堆取料机、岸桥、集装箱起重机、挖掘机，也适用于拖令系统。该电缆特别适合电缆卷筒系统中的能量供应，能够应对高到极端机械应力、频繁弯曲/扭转操作、快速移动以及强加速度工况。
16 Min Read
The PRYSMIAN Protolon® (SMK-200)-LWL cable eliminates this bottleneck through ultra-high-speed monospiral reeling capability at 200 metres per minute (one-way operation). This 2–4× speed increase over conventional cables enables: Reduced Deployment Time: A 10-kilometre umbilical deploys to 5000-metre depth in 50 hours (vs. 100–200 hours), cutting deployment cycle time in half or more. Lower Vessel Operating Costs: 2–4 day reduction in vessel time on station translates to $200,000–800,000 operational savings per deployment, plus enabling multiple deployment cycles per vessel contract. Increased Project Throughput: Offshore wind farms can install subsea cables 2–3× faster, enabling completion of larger farm capacity in shorter timeframes, accelerating wind energy deployment. Emergency Response Capability: Subsea equipment failures can be addressed rapidly; intervention vessels can deploy repair umbilicals in hours instead of days.
Technical Department
on08/04/2026

PRYSMIAN Protolon® (SMK-200)-LWL

The PRYSMIAN Protolon® (SMK-200)-LWL cable eliminates this bottleneck through ultra-high-speed monospiral reeling capability at 200 metres per minute (one-way operation). This 2–4× speed increase over conventional cables enables: Reduced Deployment Time: A 10-kilometre umbilical deploys to 5000-metre depth in 50 hours (vs. 100–200 hours), cutting deployment cycle time in half or more. Lower Vessel Operating Costs: 2–4 day reduction in vessel time on station translates to $200,000–800,000 operational savings per deployment, plus enabling multiple deployment cycles per vessel contract. Increased Project Throughput: Offshore wind farms can install subsea cables 2–3× faster, enabling completion of larger farm capacity in shorter timeframes, accelerating wind energy deployment. Emergency Response Capability: Subsea equipment failures can be addressed rapidly; intervention vessels can deploy repair umbilicals in hours instead of days.
23 Min Read
The shield transfer impedance (STI) for (N)TSCGECEWÖU 12/20kV cables with individual concentric copper screens is approximately 0.005–0.012 Ω/m at 50/60 Hz power frequency, representing the electrical impedance that coupling currents encounter as they attempt to penetrate the copper screen and reach the main conductor. At higher frequencies relevant to VFD variable switching (around 10 kHz), the STI increases slightly to approximately 0.008–0.015 Ω/m due to skin-effect limitations in the copper conductors. At even higher frequencies extending into the megahertz range (1–10 MHz) where harmonic emissions and EMI are most problematic, the STI rises further to approximately 0.02–0.08 Ω/m depending on the copper screen material properties and frequency-dependent conductor resistance. The shielding effectiveness, measured as the attenuation in decibels (dB) of external electromagnetic fields trying to couple energy into the cable conductors, is typically 60–80 dB at 100 kHz and remains above 40 dB even at 1 MHz, demonstrating excellent EMI rejection across the industrial frequency range. These metrics establish that individual concentric copper screens provide substantially superior EMC performance compared to traditional overall braided screens, particularly in reducing conducted emissions in VFD-driven machinery where rapid voltage switching and harmonic currents create severe electromagnetic stress on nearby control cables and sensitive electronic systems.
Technical Department
on27/02/2026

Shield Transfer Impedance: What are the exact EMC performance parameters and screening effectiveness metrics for (N)TSCGECEWÖU 12/20kV individually screened medium-voltage flexible cables in industrial and VFD applications? 

The shield transfer impedance (STI) for (N)TSCGECEWÖU 12/20kV cables with individual concentric copper screens is approximately 0.005–0.012 Ω/m at 50/60 Hz power frequency, representing the electrical impedance that coupling currents encounter as they attempt to penetrate the copper screen and reach the main conductor. At higher frequencies relevant to VFD variable switching (around 10 kHz), the STI increases slightly to approximately 0.008–0.015 Ω/m due to skin-effect limitations in the copper conductors. At even higher frequencies extending into the megahertz range (1–10 MHz) where harmonic emissions and EMI are most problematic, the STI rises further to approximately 0.02–0.08 Ω/m depending on the copper screen material properties and frequency-dependent conductor resistance. The shielding effectiveness, measured as the attenuation in decibels (dB) of external electromagnetic fields trying to couple energy into the cable conductors, is typically 60–80 dB at 100 kHz and remains above 40 dB even at 1 MHz, demonstrating excellent EMI rejection across the industrial frequency range. These metrics establish that individual concentric copper screens provide substantially superior EMC performance compared to traditional overall braided screens, particularly in reducing conducted emissions in VFD-driven machinery where rapid voltage switching and harmonic currents create severe electromagnetic stress on nearby control cables and sensitive electronic systems.
18 Min Read
Nexans RHEYFIRM (RS) 12/20kV is a premium-tier medium-voltage reeling cable specifically engineered for high-speed, high-stress port machinery and industrial heavy-load applications. The cable's design reflects Nexans' deep expertise in marine and dockside equipment, incorporating proprietary RHEYCLEAN insulation chemistry and reinforced anti-torsion braid architecture that together enable reliable operation in environments where cable flexing occurs thousands of times per day at speeds exceeding 200 meters per minute. However, RHEYFIRM cables command premium pricing that reflects both their proven field performance and Nexans' brand positioning. For procurement teams managing large cable quantities, facing extended supply lead times, or constrained by budget limitations, the search for a functionally equivalent alternative is not a search for a compromise. Rather, it is a systematic evaluation of competing engineering approaches that achieve the same electrical safety, mechanical durability, and environmental resilience through different manufacturing philosophies. This guide addresses the practical reality that excellent medium-voltage reeling cables are manufactured by multiple established European and global suppliers. Helukabel (Germany), SAB Kabel (Germany), Prysmian (Italy/France), Feichun (China), and other manufacturers produce cables that meet or exceed RHEYFIRM's performance specifications while offering cost savings between 15–35%, faster regional delivery, or better availability for Asia-Pacific projects.
Technical Department
on27/02/2026

Cost-Effective Replacement for Nexans RHEYFIRM (RS) 3×50+3×25/3 12/20kV

Nexans RHEYFIRM (RS) 12/20kV is a premium-tier medium-voltage reeling cable specifically engineered for high-speed, high-stress port machinery and industrial heavy-load applications. The cable’s design reflects Nexans’ deep expertise in marine and dockside equipment, incorporating proprietary RHEYCLEAN insulation chemistry and reinforced anti-torsion braid architecture that together enable reliable operation in environments where cable flexing occurs thousands of times per day at speeds exceeding 200 meters per minute. However, RHEYFIRM cables command premium pricing that reflects both their proven field performance and Nexans’ brand positioning. For procurement teams managing large cable quantities, facing extended supply lead times, or constrained by budget limitations, the search for a functionally equivalent alternative is not a search for a compromise. Rather, it is a systematic evaluation of competing engineering approaches that achieve the same electrical safety, mechanical durability, and environmental resilience through different manufacturing philosophies. This guide addresses the practical reality that excellent medium-voltage reeling cables are manufactured by multiple established European and global suppliers. Helukabel (Germany), SAB Kabel (Germany), Prysmian (Italy/France), Feichun (China), and other manufacturers produce cables that meet or exceed RHEYFIRM’s performance specifications while offering cost savings between 15–35%, faster regional delivery, or better availability for Asia-Pacific projects.
19 Min Read
When a reeling cable passes over a sheave, pulley, or diverter roller during normal operation, it undergoes mechanical bending that imposes significant stress on its internal conductors and insulation layers. Unlike a cable running in a straight line, where tension is distributed relatively evenly, a cable wrapped around a curved surface experiences localized compression and tension that can cause permanent deformation, insulation cracking, and conductor fatigue within surprisingly short timeframes if the geometry is not carefully controlled.
Technical Department
on26/02/2026

Change of Direction: Managing Bending Stress in Reeling Cables

When a reeling cable passes over a sheave, pulley, or diverter roller during normal operation, it undergoes mechanical bending that imposes significant stress on its internal conductors and insulation layers. Unlike a cable running in a straight line, where tension is distributed relatively evenly, a cable wrapped around a curved surface experiences localized compression and tension that can cause permanent deformation, insulation cracking, and conductor fatigue within surprisingly short timeframes if the geometry is not carefully controlled.
10 Min Read
(N)TSCGEWÖU cable series represents a category of medium voltage flexible mining, drilling and tunneling cables primarily designed to meet DIN VDE 0250-813 specifications. (N)TSCGEWÖU电缆系列代表一类中压柔性采矿、钻井和隧道电缆,主要设计满足DIN VDE 0250-813规范 These cables are widely used internationally for power distribution to heavy-duty mining equipment in surface and underground installations. However, exporting these cables to the Russian Federation and other CIS countries requires compliance with GOST-R certification standards, which operate under a distinct regulatory framework from European DIN VDE standards.
Technical Department
on28/01/2026

GOST-R: Do (N)TSCGEWÖU Cables Meet the GOST-R Certification Requirements for the Russian/CIS Mining Market?

(N)TSCGEWÖU cable series represents a category of medium voltage flexible mining, drilling and tunneling cables primarily designed to meet DIN VDE 0250-813 specifications. (N)TSCGEWÖU电缆系列代表一类中压柔性采矿、钻井和隧道电缆,主要设计满足DIN VDE 0250-813规范 These cables are widely used internationally for power distribution to heavy-duty mining equipment in surface and underground installations. However, exporting these cables to the Russian Federation and other CIS countries requires compliance with GOST-R certification standards, which operate under a distinct regulatory framework from European DIN VDE standards.
13 Min Read
(N)TSCGEWÖU cables designed for demanding reeling applications in mining and heavy industry, the cross-linked ethylene propylene rubber (EPR) insulation compound designated as 3GI3 according to DIN VDE 0207 Part 20 provides essential electrical and mechanical properties. The Hot Set Test, standardized in IEC 60811-507, serves as a critical quality verification procedure that confirms complete vulcanization and proper cross-linking of these thermoset insulation materials during the manufacturing process. This technical document explains the Hot Set Test methodology, its significance in validating curing quality, and its application to ensuring the performance integrity of (N)TSCGEWÖU cable insulation systems. 中压采矿电缆的可靠性和使用寿命从根本上取决于其绝缘材料的质量。对于为采矿和重工业中要求严格的卷筒应用而设计的(N)TSCGEWÖU电缆，根据DIN VDE 0207第20部分指定为3GI3的交联乙丙橡胶（EPR）绝缘化合物提供了必需的电气和机械性能。热定型测试在IEC 60811-507中标准化，作为一个关键的质量验证程序，确认这些热固性绝缘材料在制造过程中的完全硫化和适当的交联。本技术文件解释了热定型测试方法、其在验证固化质量方面的重要性以及其在确保(N)TSCGEWÖU电缆绝缘系统性能完整性方面的应用。
Technical Department
on26/01/2026

Hot Set Test: Verifying the Curing Process of 3GI3 EPR Insulation in (N)TSCGEWÖU Cables

(N)TSCGEWÖU cables designed for demanding reeling applications in mining and heavy industry, the cross-linked ethylene propylene rubber (EPR) insulation compound designated as 3GI3 according to DIN VDE 0207 Part 20 provides essential electrical and mechanical properties. The Hot Set Test, standardized in IEC 60811-507, serves as a critical quality verification procedure that confirms complete vulcanization and proper cross-linking of these thermoset insulation materials during the manufacturing process. This technical document explains the Hot Set Test methodology, its significance in validating curing quality, and its application to ensuring the performance integrity of (N)TSCGEWÖU cable insulation systems. 中压采矿电缆的可靠性和使用寿命从根本上取决于其绝缘材料的质量。对于为采矿和重工业中要求严格的卷筒应用而设计的(N)TSCGEWÖU电缆，根据DIN VDE 0207第20部分指定为3GI3的交联乙丙橡胶（EPR）绝缘化合物提供了必需的电气和机械性能。热定型测试在IEC 60811-507中标准化，作为一个关键的质量验证程序，确认这些热固性绝缘材料在制造过程中的完全硫化和适当的交联。本技术文件解释了热定型测试方法、其在验证固化质量方面的重要性以及其在确保(N)TSCGEWÖU电缆绝缘系统性能完整性方面的应用。
8 Min Read
The RHEYFIRM(RTS) R-(N)TSCGEWTOEUS represents the pinnacle of medium-voltage reeling cable technology, engineered specifically for demanding industrial applications where power transmission, control signals, and fiber optic communication must be integrated into a single, highly flexible cable assembly. Manufactured in strict compliance with DIN VDE 0250 Part 813, this cable series delivers reliable performance at voltage ratings from 8.7/15 kV up to 18/30 kV, with travel speeds reaching 180 m/min on modern cable reeling systems. The designation follows the German VDE nomenclature where "RHEYFIRM" indicates the manufacturer's product line, "(RTS)" denotes the reinforced tensile system, and the alphanumeric string describes the complete cable construction including screening, insulation type, and special features.
Technical Department
on09/01/2026

What is RHEYFIRM(RTS) R-(N)TSCGEWTOEUS Cable?

The RHEYFIRM(RTS) R-(N)TSCGEWTOEUS represents the pinnacle of medium-voltage reeling cable technology, engineered specifically for demanding industrial applications where power transmission, control signals, and fiber optic communication must be integrated into a single, highly flexible cable assembly. Manufactured in strict compliance with DIN VDE 0250 Part 813, this cable series delivers reliable performance at voltage ratings from 8.7/15 kV up to 18/30 kV, with travel speeds reaching 180 m/min on modern cable reeling systems. The designation follows the German VDE nomenclature where “RHEYFIRM” indicates the manufacturer’s product line, “(RTS)” denotes the reinforced tensile system, and the alphanumeric string describes the complete cable construction including screening, insulation type, and special features.