Reeling & Trailing Cables For Cranes & Mining — Feichun Special Cable Blogs - Explore Feichun's Expert Solutions For Reeling Cables Used In Cranes And Ship Unloaders, And Trailing Cables For Mining. Our Blog Shares Technical Insights And Product Information To Ensure High Performance And Safety In Demanding Industrial Environments.

19 Min Read

High-Flexibility Salt-Fog Resistant Port Cables: Advanced Technical Comparison and Deployment Analysis Comprehensive technical evaluation of power cable solutions for maritime port infrastructure, analyzing electrochemical corrosion protection mechanisms, deployment flexibility specifications, and extended service-life performance in harsh saltwater environments. Detailed comparison of specialized Feichun salt-fog resistant EPR-insulation platform with FLEXIDRUM® FIBER 770 optical cable architecture, examining application-specific advantages, technical limitations, and engineered solutions for dredging equipment, submersible pump systems, floating crane operations, and integrated port automation infrastructure.

on12/05/2026

FLEXIDRUM®FIBER 770

High-Flexibility Salt-Fog Resistant Port Cables: Advanced Technical Comparison and Deployment Analysis Comprehensive technical evaluation of…

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17 Min Read

FLEXIDRUM® MEDIUM FLAT: Advanced High-Flexibility Salt-Fog Resistant Port Cable System Specialized reeling-flat power cable engineered for extreme maritime environments combining flexible tinned copper conductors (IEC 60228 Class 5), proprietary EPR insulation chemistry, hydrophobic semi-conductive interfaces, and specialized red outer-sheath PCP compound with integrated volatile-corrosion-inhibitor (VCI) technology. Designed for rapid cable-reel deployment systems in dredging, submersible pump, and floating crane applications requiring superior electrochemical corrosion immunity and compact outer-diameter efficiency across 3.6/6 kV through 8.7/15 kV voltage platforms.

Technical Department

on12/05/2026

FLAT (N)TSFLCGCWOEUS Reeling flat cables

FLEXIDRUM® MEDIUM FLAT: Advanced High-Flexibility Salt-Fog Resistant Port Cable System Specialized reeling-flat power cable engineered for…

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5 Min Read

FLEXIDRUM® MEDIUM SHD GC: Advanced Flexible Power Cable for Mobile Mining and Industrial Equipment Comprehensive technical engineering guide to FLEXIDRUM® MEDIUM SHD GC (2 kV to 25 kV AC power distribution cable), purpose-engineered for flexible installation on cable-reel systems, mobile mining equipment, longwall miners, loaders, drills, shovels, conveyors, pumps, and industrial machinery requiring simultaneous power delivery, ground conductor functionality, and ground-check monitoring across demanding extraction and materials-handling environments.

Technical Department

on12/05/2026

SHD GC Cable ICEA S-75-381 or CSA C22.2 No. 96-17

FLEXIDRUM® MEDIUM SHD GC: Advanced Flexible Power Cable for Mobile Mining and Industrial Equipment Comprehensive technical engineering guide…

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6 Min Read

FLEXIDRUM® MEDIUM RS-T: Advanced Anti-Twisting Cable for Mining Excavators and Heavy-Duty Industrial Applications A comprehensive technical analysis of Feichun's purpose-engineered anti-twisting cable platform (1.8/3 kV to 18/30 kV voltage grades) featuring specialized synthetic yarn torsion protection, tinned copper conductors, EPR Type 3GI3 insulation, and tear-resistant wrapping technology—delivering exceptional mechanical durability in open-cast mining environments characterized by extreme mechanical abrasion, dynamic cable movement, and continuous torsional stress exposure.

Technical Department

on12/05/2026

RS-T (N)TSCGEWÖU

FLEXIDRUM® MEDIUM RS-T: Advanced Anti-Twisting Cable for Mining Excavators and Heavy-Duty Industrial Applications A comprehensive technical…

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16 Min Read

Advanced High-Flexibility Salt-Fog Resistant Port Cable: Engineering Excellence for Extreme Maritime Environments A comprehensive technical deep-dive into Feichun's purpose-engineered high-flexibility port cable platform combining advanced electrochemical conductor protection, specialized EPR insulation, proprietary hydrophobic semi-conductive interfaces, and innovative outer-sheath chemistry—delivering extended service-life durability (12–15+ years field-validated) for demanding dredging, pumping, and floating-crane applications operating in harsh tropical and subtropical saltwater port facilities worldwide.

Technical Department

on12/05/2026

FLEXIDRUM® MEDIUM RS (N)TSCGEWÖU

Advanced High-Flexibility Salt-Fog Resistant Port Cable: Engineering Excellence for Extreme Maritime Environments A comprehensive technical…

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1 Min Read

现代割吸挖泥船和潜水泵系统日益采用复杂的强制导向电缆路由配置，其中电缆部署必须适应多方向偏转（水平和垂直弯曲同时）、高部署速度（150-200 m/min运行范围）、以及锚地迁移周期期间由卷轴轴旋转惯性施加的动态扭转应力。常规高柔性电缆（非专化防旋转架构）遭遇关键运行局限：电缆绞合不平衡在快速部署中产生螺旋旋转扭矩，导致电缆扭转积累和操作员控制的手动反扭转循环，中断挖泥生产力并在卷轴处理期间引入安全危害。此外，不受控制的电缆扭转诱发导体绞合中的永久微变形和绝缘压缩，加速疲劳裂纹和提前服役寿命故障。 FLEXIDRUM® MEDIUM RS防旋转变体代表对这些部署约束的专化工程响应，集合合成纤维防旋转矩阵（S-玻璃纤维或芳纶复合加强）在电缆结构内集中铺设于内部PCP护套和外部专化PCP复合体之间。这个支撑屏障架构直接解决旋转扭矩机制：合成纤维矩阵抵抗否则会产生旋转扭矩的螺旋绞合几何，维持电缆中性扭转条件贯穿部署周期。现场验证跨北海、中东和东南亚挖泥设施记录了显著运营改进：消除手动反扭转需求、20-30%锚地迁移周期时间减少，以及通过扭转诱发疲劳机制消除延长服役耐久性。

Technical Department

on12/05/2026

(N)TSCGEWÖU：高速强制导向挖泥船防旋转电缆

现代割吸挖泥船和潜水泵系统日益采用复杂的强制导向电缆路由配置，其中电缆部署必须适应多方向偏转（水平和垂直弯曲同时）、高部署速度（150-200…

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1 Min Read

FLEXIDRUM® MEDIUM RS (N)TSCGEWÖU：高柔性盐雾防护港口电缆专业级高柔性盐雾防护电源电缆，专为恶劣海洋环境设计。采用最小12×D鼓面弯曲半径、超强盐雾腐蚀防护、UV/臭氧/湿度防护，跨越3.6/6kV至12/20kV完整电压平台。专用于挖泥船、海洋泵站和港口设备，15年+服役期验证。港口电缆技术革新：恶劣海洋环境的专业防腐蚀工程传统电源电缆部署在盐雾海洋环境中会遭遇加速退化机制：卤化物诱导的铜导体电化学腐蚀、渗透水通过外护套微裂纹、光化学紫外线降解聚合物基质、臭氧氧化聚合物交链脆化。标准FLEXIDRUM®电缆（非专化聚合物护套）在持续港口运行的7-10年内经历~35-50%的机械抗张强度损失，导致提前更换周期和港口设备运行中的意外维护中断。 FLEXIDRUM® MEDIUM RS (N)TSCGEWÖU代表材料化学和护套架构的突破性进展，整合：(1)专化PCP外护套化合物，具有专有防盐雾化学物质（氯化钠渗透防护比标准PCP配方高2倍，符合IEC测试规程），(2)先进多层半导电屏障界面，具有疏水分子结构，防止锡铜导体上的电化学腐蚀途径，(3)集成UV/臭氧吸收添加剂，在15年以上服务周期内减少聚合物链断裂退化约60%，(4)优化柔性架构，支持12×D鼓面部署半径（相比常规专化电缆的15×D及更高），对需要跨地理分布港口设施频繁再部署的移动挖泥设备至关重要。

Technical Department

on12/05/2026

FLEXIDRUM® MEDIUM RS (N)TSCGEWÖU

FLEXIDRUM® MEDIUM RS (N)TSCGEWÖU：高柔性盐雾防护港口电缆…

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14 Min Read

$FLEXIDRUM® MEDIUM RS (N)TSCGEWÖU: Advanced High-Flexibility Salt-Fog Resistant Port Cable Professional-grade high-flexibility submersible and overhead power cable engineered for extreme saltwater port environments, combining minimized bending radius (12×D drum deployment), superior salt-fog corrosion resistance, and UV/ozone/moisture immunity across 3.6/6 kV to 12/20 kV voltage platforms. Purpose-designed for dredgers, marine pumps, port cranes, and harbor equipment requiring proven long-service-life durability in corrosive maritime climates. Port Infrastructure Cable Evolution: Specialized Anti-Corrosion Engineering for Harsh Maritime Environments Conventional power distribution cables deployed in salt-fog maritime environments encounter accelerated degradation mechanisms: halide-induced electrochemical corrosion of copper conductor-surface oxidation states, osmotic water ingress through outer-sheath micro-fractures, photochemical UV-degradation of polymer matrix structures, and ozone-oxidation polymer cross-linking embrittlement. Standard FLEXIDRUM® cables (unspecialized polymeric sheathing) experience ~35–50% loss of mechanical tensile strength within 7–10 years of continuous port-operation exposure, necessitating premature replacement cycles and unanticipated maintenance disruptions in mission-critical dredging and port-equipment installations. The FLEXIDRUM® MEDIUM RS (N)TSCGEWÖU represents a materials-chemistry and sheath-architecture breakthrough, integrating: (1) specialized PCP outer-sheath compound incorporating proprietary salt-fog-inhibition chemistry (sodium-chloride penetration resistance rated 2× superior to standard PCP formulations per IEC testing protocols), (2) advanced multi-layer semi-conductive screen interfaces with hydrophobic molecular structure preventing electrochemical corrosion pathways on tinned copper conductors, (3) integrated UV/ozone absorption additives reducing polymer chain-scission degradation by ~60% over 15+ year service intervals, and (4) optimized flexibility architecture enabling 12×D drum deployment radius (vs. 15×D and higher for conventional specialized cables) critical for mobile dredging equipment requiring frequent redeployment across geographically distributed port facilities.$

Technical Department

on12/05/2026

RS (N)TSCGEWÖU

FLEXIDRUM® MEDIUM RS (N)TSCGEWÖU: Advanced High-Flexibility Salt-Fog Resistant Port Cable Professional-grade high-flexibility submersible and…

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6 Min Read

FLEXIDRUM® MEDIUM (N)TSCGEWÖU WATER /3E: Professional Shielded Submersible Cable with Integrated Core Copper Screen for Dredgers, Pumps, VFD Systems, and Electromagnetic Noise-Sensitive Water Infrastructure Purpose-engineered shielded submersible cable combining advanced water-submersion protection with electromagnetic noise immunity. FLEXIDRUM® MEDIUM (N)TSCGEWÖU WATER /3E integrates core copper screen shielding laid concentrically around power conductors, Class 5 tinned copper conductors (IEC 60228), advanced EPR insulation, and specialized water-resistant outer sheath (PCP Type 5GM3) to achieve 15+ year service life in demanding dredger systems, submersible pump installations, and VFD-controlled water infrastructure where electrical reliability and electromagnetic compatibility converge with water-submersion durability requirements. Executive Summary: Integrated Shielding and Water-Submersion Engineering for Next-Generation Dredging Systems Modern dredging and submersible pump systems increasingly employ variable-frequency drive (VFD) motor control and sophisticated sensor networks, creating electromagnetic environment incompatible with conventional unshielded cables. Simultaneously, VFD switching frequencies (5–20 kHz) generate high-frequency noise coupling into unshielded power circuits, causing sensor errors, control circuit malfunctions, and safety system failures. FLEXIDRUM® MEDIUM (N)TSCGEWÖU WATER /3E represents a breakthrough in submersible cable engineering, integrating comprehensive copper screen shielding with water-submersion durability to address the convergence of electromagnetic noise immunity and continuous water-immersion requirements. Traditional submersible cables lack electromagnetic shielding entirely, accepting noise-induced failures as operational cost in VFD-driven systems. Conversely, conventional shielded marine cables deteriorate rapidly in water-submersion environments, with shielding effectiveness degrading within 2–4 years as moisture penetrates underlying insulation and corrosion attacks copper screen geometry. FLEXIDRUM® MEDIUM (N)TSCGEWÖU WATER /3E overcomes both limitations through revolutionary integrated design: core copper screen shielding laid concentrically around each power conductor providing continuous EMI/RFI attenuation (>60 dB typical across 50 Hz to 10 MHz frequency range), tinned copper screen construction enabling superior electrochemical corrosion resistance in water-submersion environments, and water-resistant outer sheath (PCP Type 5GM3) maintaining shielding integrity through 15+ years of continuous seawater/brackish-water immersion.

Technical Department

on12/05/2026

(N)TSCGEWÖU WATER…/3E

FLEXIDRUM® MEDIUM (N)TSCGEWÖU WATER /3E: Professional Shielded Submersible Cable with Integrated Core Copper Screen for Dredgers, Pumps, VFD…

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2 Min Read

FLEXIDRUM® MEDIUM (N)TSCGEWÖU WATER: Professional Submersible Water-Resistant Cable for Dredgers, Pumps, Waste-Water Systems, and Extended-Voltage Submersed Applications Purpose-engineered submersible cable delivering exceptional durability and electrical performance in aggressive water environments. FLEXIDRUM® MEDIUM (N)TSCGEWÖU WATER combines Class 5 ultra-flexible tinned copper conductors (IEC 60228), advanced EPR insulation technology, and specialized water-resistant outer sheath (PCP Type 5GM3) to achieve 15+ year service life in demanding applications including dredger equipment, submersible pump systems, waste-water treatment facilities, and brackish/salt-water environments. Extended voltage platform (1.8/3 kV through 18/30 kV nominal) accommodates complete industrial water-system electrical hierarchies with unified cable platform.

Technical Department

on12/05/2026

FLEXIDRUM® MEDIUM (N)TSCGEWÖU WATER

FLEXIDRUM® MEDIUM (N)TSCGEWÖU WATER: Professional Submersible Water-Resistant Cable for Dredgers, Pumps, Waste-Water Systems, and…

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2 Min Read

FLEXIDRUM® MEDIUM R 903: Professional Marine-Grade High-Flexibility Port Cable with Advanced Salt-Fog Resistance for Harbor Infrastructure and Offshore Lifting Applications Purpose-engineered marine cable delivering exceptional durability and electrical performance in aggressive port environments. FLEXIDRUM® MEDIUM R 903 combines Class 5 ultra-flexible red copper conductors (IEC 60228), advanced EPR insulation technology, and specialized salt-fog resistant outer sheath to achieve 15+ year service life in demanding harbor infrastructure including gantry cranes, container terminals, offshore lifting equipment, and inter-terminal transport systems. Nominal voltage range 3.6 kV to 12/20 kV accommodates complete port electrical hierarchies with unified cable platform.

Technical Department

on12/05/2026

FLEXIDRUM® MEDIUM R 903

FLEXIDRUM® MEDIUM R 903: Professional Marine-Grade High-Flexibility Port Cable with Advanced Salt-Fog Resistance for Harbor Infrastructure and…

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4 Min Read

FLEXIDRUM® MEDIUM PLUS (N)TSCGEWÖU: Revolutionary Ultra-High-Speed Extended-Voltage Hybrid Power-Signal-Optical Cable for Next-Generation Mega-Port Automation, Offshore Mobile Lifting, and Advanced Forced-Guidance Systems Breakthrough next-generation hybrid electrical-optical cable engineered for the extreme-speed, extended-voltage, and real-time-telemetry requirements of modern mega-port gantry cranes, offshore mobile lifting platforms, and next-generation automated container-handling infrastructure. FLEXIDRUM® MEDIUM PLUS combines Class 5 ultra-flexible red copper conductors, EPR type 3GI3 thermoplastic rubber insulation, integrated 12–24 fiber-optic elements, advanced anti-twisting synthetic yarn reinforcement, and specialized salt-fog-resistant PCP outer sheath to deliver unified electrical power-signal-optical distribution at unprecedented 300 m/min maximum deployment speed (highest industry capability) across extended voltage range 3.6 kV to 18/30 kV, with proven reliability across −35 to +80°C operational envelope and comprehensive DIN VDE / EN / IEC marine and port automation certification.

Technical Department

on12/05/2026

FLEXIDRUM® MEDIUM PLUS (N)TSCGEWÖU OPTICAL FIBER

FLEXIDRUM® MEDIUM PLUS (N)TSCGEWÖU: Revolutionary Ultra-High-Speed Extended-Voltage Hybrid Power-Signal-Optical Cable for Next-Generation…

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2 Min Read

Technical Department

on12/05/2026

FLEXIDRUM® MEDIUM PLUS (N)TSCGEWÖU

Nominal Voltage 3.6/6 kV Up to 12/20 kV available Max Speed 300 m/min Industry leading + ±25°/m Conductor Type Bare Copper Class 5, IEC 60228…

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13 Min Read

(N)TSCGEWÖU Nomenclature Breakdown: (N) = "Nennspannung" (Nominal voltage designation) Indicates multi-voltage family (3.6/6 kV baseline, expandable to 20/35 kV) T = "Drei" implicitly (Three-phase implied in TSC configuration) SC = "S" (Stromleiter? Schirmung? Sheath-related) "C" (Conductor classification, typically Class 5 flexibility) Together: Three-core conductor family designation GE = "Gummi Elastomer" (Rubber Elastomer) Explicitly denotes EPR insulation (not polyethylene, not XLPE) German standard preference: EPR for MV reeling (vs. XLPE for fixed cables) WÖU = "Werkstoff/Öl/Umlauf" (Material/Oil/Circulation?) OR historically: VDE/UL approval markers? Likely: W = Werkstoff (special material formulation) Ö = Öl-resistenz (oil resistance capability) U = Universal or Umlauf (circulation/reeling capability) Combined meaning: (N)TSCGEWÖU = "Nominal-voltage Three-phase Single-conductor-core family, Gummi Elastomer insulation, Werkstoff-spezial (special material), Oil-resistant, Universal reeling" Design Philosophy Encoded: - Modular voltage architecture (one design, 3.6–20/35 kV options) - Three-phase power + distributed earth (TSC = not symmetric 3+3, but mixed) - EPR elastomer base (not synthetic XLPE) - Enhanced material formulation (not commodity grade) - Mobile/reeling-centric (forced guidance compatible) - Multi-environment tolerance (oil, moisture, temperature extremes)

Technical Department

on12/05/2026

(N)TSCGEWÖU Mining Trailing Cable

(N)TSCGEWÖU Nomenclature Breakdown: (N) = "Nennspannung" (Nominal voltage designation) Indicates multi-voltage family (3.6/6 kV baseline,…

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5 Min Read

Tunnel Boring Machine Cable FLEXIDRUM® MEDIUM R 901 Single-Core High-Voltage Cable for Underground Tunneling Applications ⚡ Voltage: 8.7/15 kV to 12/20 kV 🔴 Screen: Red copper braid 🌡️ Temp: −50 to +80°C (extreme) ⚙️ Application: TBM tunneling machines Nominal Voltage 8.7/15 kV Up to 12/20 kV available Conductor Type Single-Core 1×25 to 1×150 mm² (red copper) Screen Red Copper Braid Conductive, corrosion-resistant grounding Max Speed 60 m/min Moderate-speed reel dragging Operating Temp −50 to +80°C Flexible: −30°C (thermal shielding) Tensile Strength ≤20 N/mm² Designed for tunnel flexibility

Technical Department

on12/05/2026

FLEXIDRUM® MEDIUM R 901

Tunnel Boring Machine Cable FLEXIDRUM® MEDIUM R 901 Single-Core High-Voltage Cable for Underground Tunneling Applications⚡ Voltage: 8.7/15…

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12 Min Read

FLEXIDRUM® R 902 Optical Fiber Hybrid Cable: Integrated Power-Plus-Fiber-Optics Multi-Core Cable for Mining Excavators and Real-Time Data Transmission Revolutionary hybrid power-and-optical-fiber cable engineered for mining excavators and outdoor industrial equipment, FLEXIDRUM® R 902 integrates 6-fiber optics (multimode 62.5/125µm) with Class 5 flexible red copper power conductors (up to 3×300 mm²), advanced EPR insulation, semi-conductive protective layers, and specialized UV/ozone/moisture-resistant PUR sheath. Rated for 3.6/6 kV to 12/20 kV deployment, featuring 120 m/min speed capability with reduced weight and diameter—enabling real-time data communication from excavators, loaders, and remote mining equipment while maintaining full electrical power distribution in one unified integrated cable system.

Technical Department

on12/05/2026

FLEXIDRUM® MEDIUM R 902 OPTICAL FIBER

FLEXIDRUM® R 902 Optical Fiber Hybrid Cable: Integrated Power-Plus-Fiber-Optics Multi-Core Cable for Mining Excavators and Real-Time Data…

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4 Min Read

Medium-Voltage Mining Cable FLEXIDRUM® MEDIUM R 902 Specialized Cable for Open-Pit Mining Excavators ⚡ Voltage: 3.6/6 kV to 12/20 kV ⛏️ Application: Mining excavator (outdoor) 🌡️ Temp: −40 to +80°C (extreme range) 🔴 Color: Red RAL 3000 (mining standard)Nominal Voltage 3.6/6 kV Up to 12/20 kV available Test Voltage Per voltage class 3.6/6 kV: ~20 kV AC, 5 min Max Speed 120 m/min Moderate-speed dragging on drums Operating Temp −40 to +80°C Fixed & flexible (extreme range) Tensile Strength 25 N/mm² Class 5 red copper flexibility SKU Configurations 32 4 series variants × 8 voltage/size options

Technical Department

on12/05/2026

FLEXIDRUM® MEDIUM R 902

Medium-Voltage Mining Cable FLEXIDRUM® MEDIUM R 902 Specialized Cable for Open-Pit Mining Excavators⚡ Voltage: 3.6/6 kV to 12/20 kV ⛏️…

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13 Min Read

FLEXIDRUM® R 703: Advanced High-Temperature Industrial Multi-Core Cable for Extreme-Heat Heavy Equipment and Vertical Lifting Systems Engineered for the most demanding industrial thermal environments, the FLEXIDRUM® R 703 delivers breakthrough high-temperature performance with continuous operation capability to +120°C. Combining Class 5 flexible red copper conductor, advanced GAALTHERM® 585 thermoplastic elastomer insulation with extreme thermal resilience, aramide yarn anti-twisting reinforcement, and specialized PUR outer sheath formulation—meeting all fire-safety and halogen-free standards while maintaining electrical performance across the widest thermal envelope (−40 to +120°C) available in industrial cable engineering.

Technical Department

on12/05/2026

FLEXIDRUM® R 703

FLEXIDRUM® R 703: Advanced High-Temperature Industrial Multi-Core Cable for Extreme-Heat Heavy Equipment and Vertical Lifting Systems…

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6 Min Read

Multi-Purpose Industrial Cable FLEXIDRUM® SPECIAL R 702 Highly Flexible, Customizable Cable for Heavy Appliances & Vertical Use ⚡ Voltage: 0.6/1 kV OR 300/500 V 🔧 Speed: 120 m/min max 🎯 Configurations: 40+ SKUs, fully customizable 🌡️ Temperature: −50 to +90°C Nominal Voltage 0.6/1 kV OR 300/500 V (customer selection) Test Voltage 4 kV / 2 kV Depending on voltage class Max Speed 120 m/min Moderate-speed reeling applications Operating Temp −50 to +90°C Fixed & flexible laying (highest in class) Bending Radius 3×d to 7.5×D Depends on application mode & cable size Configurations 40+ Power, control, signal, fiber-optic integration

Technical Department

on12/05/2026

FLEXIDRUM® SPECIAL R 702

Multi-Purpose Industrial Cable FLEXIDRUM® SPECIAL R 702 Highly Flexible, Customizable Cable for Heavy Appliances & Vertical Use⚡ Voltage:…

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3 Min Read

FLEXIDRUM® R 702: Advanced Salt-Spray Resistant Multi-Core Cable for Maritime Port Infrastructure and Container Handling Systems Engineered for extreme corrosive marine environments, the FLEXIDRUM® R 702 delivers proven salt-fog resistance combined with Class 5 flexible conductor technology, GAALTHERM® 630 thermoplastic insulation, and advanced anti-twisting textile reinforcement. Designed for automated container spreader bars, vertical lifting platforms, and offshore equipment exposed to continuous salt-spray cycles—meeting DIN VDE, EN, and IEC standards with reduced weight and diameter for enhanced installation flexibility in modern port automation infrastructure.

Technical Department

on12/05/2026

FLEXIDRUM® R 702

FLEXIDRUM® R 702: Advanced Salt-Spray Resistant Multi-Core Cable for Maritime Port Infrastructure and Container Handling Systems Engineered…

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3 Min Read

Central Textile Element: Novel Vertical Load-Bearing Architecture FLEXIDRUM® R 701 UL employs a unique central textile element—a braided or twisted high-strength synthetic fiber core running along the cable's centerline. This architectural feature is purpose-designed for vertical suspension and differentiates R 701 from all other FeiChun reeling cables. 1.1 Central Textile Element Function & Material Composition The central element typically comprises: Material: High-strength synthetic fibers (polyester, aramid, or polypropylene) Typical tensile strength: 800–1,200 MPa (comparable to low-carbon steel wire) Construction: Multi-ply twisted or braided configuration Diameter: 2–4 mm (proportional to cable outer diameter) Twist pitch: 20–40 mm (high density for stiffness) Purpose: (1) Load-bearing core element for suspended cables (2) Prevents excessive sag and catenary deformation in vertical runs (3) Provides axial stiffness (modulus ~5–10 GPa, vs. ~130 GPa for copper) (4) Mechanical separator preventing core-to-conductor adhesion Advantage: Unlike metallic cores (steel wire, aluminum), synthetic textiles - do not corrode in humid vertical shafts (critical in building hoists) - add minimal weight (synthetic ~0.9 g/cm³ vs. steel ~7.8 g/cm³) - provide thermal insulation (low thermal conductivity) - are non-conductive (no eddy-current losses)

Technical Department

on12/05/2026

FLEXIDRUM® R 701 UL

Central Textile Element: Novel Vertical Load-Bearing Architecture FLEXIDRUM® R 701 UL employs a unique central textile element—a braided or…

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11 Min Read

FLEXIDRUM® R 700: Ultra-High-Speed Spreader Cable with GAALTHERM® 585 Insulation and High-Tech Yarn Anti-Twisting Protection for Container-Handling Spreader Bars and Vertical Lifting Systems at 250 m/min Engineered for extreme deployment speed and precision container-handling operations, FLEXIDRUM® R 700 combines Class 6 ultra-flexible bare red copper conductor, GAALTHERM® 585 thermoplastic rubber insulation, high-tech yarn anti-twisting textile reinforcement, and special polyurethane (PUR) outer sheath to deliver unmatched performance in ultra-rapid-deployment spreader-bar and vertical lifting applications. Rated for 250 m/min maximum deployment speed (highest in the FLEXIDRUM® product family), −30 to +90°C temperature stability, and comprehensive salt-spray/oil/chemical resistance across 18–56 core multi-configuration designs, this premium cable solution enables next-generation automated container-handling systems, high-speed offshore lifting platforms, and specialized port-terminal infrastructure requiring optimized flex-life durability and deployment dynamics at the limits of modern mechanical capability.

Technical Department

on12/05/2026

FLEXIDRUM® R 700

FLEXIDRUM® R 700 Ultra-High-Speed Spreader Cable: Class 6 Flexible Red Copper Conductor, GAALTHERM® 585 Insulation, High-Tech Yarn…

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2 Min Read

FLEXIDRUM® R 503 employs GAALTHERM® 585—a proprietary synthetic elastomer compound developed by FeiChun and exclusive to this cable family. Unlike standard EPR or XLPE, GAALTHERM® 585 is a specialized nitrile-based elastomer (NBR) with engineered cross-link architecture optimized for extreme thermal and mechanical stress. 1.1 GAALTHERM® 585 Molecular Composition & Architecture The base polymer is Acrylonitrile-Butadiene Rubber (NBR) with proprietary dopants: Base Polymer: NBR (Acrylonitrile-Butadiene Rubber) Acrylonitrile content: 26–34 wt% (determines polarity and resistance to nonpolar oils) Butadiene content: 66–74 wt% Backbone: −[CH₂−CH=CH−CH₂]ₙ− (polybutadiene) with −CH(CN)− nitrile branches GAALTHERM® 585 Dopants (proprietary): 1. Polar nitrile groups (−CN): impart oil resistance, increase dielectric strength 2. Carboxylic acid groups (COOH): enable hydrogen bonding with adjacent chains, reducing chain mobility and increasing thermal stability (Tg ~−25°C vs −50°C std NBR) 3. Hindered phenolic antioxidants: 2–3 wt% load 4. Phosphite-based synergists: suppress thermo-oxidative degradation 5. Metal oxide fillers (MgO): enhance thermal aging resistance, improve modulus Cross-Link System: Sulfur-cured (not peroxide) with accelerators (TMTD, ZDEC) Cross-Link Density: 2.5–3.5 mol/cm³ (higher than standard NBR ~1.5 mol/cm³) Vulcanization Mechanism: Polysulfidic bridges (−S−, −S₂−, −S₃−) form between unsaturated C=C bonds in butadiene backbone

Technical Department

on12/05/2026

FLEXIDRUM® R 503

FLEXIDRUM® R 503 employs GAALTHERM® 585—a proprietary synthetic elastomer compound developed by FeiChun and exclusive to this cable family.…

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5 Min Read

FLEXIDRUM® R 502: Advanced Heavy-Duty Industrial Cable with PUR Polyurethane Sheath and GAALTHERM® 530 Insulation for Motor Hoist, Transport Systems, and High-Mechanical-Stress Farm Equipment Engineered for extreme mechanical stress and industrial machinery applications, FLEXIDRUM® R 502 combines flexible Class 5 tinned or red copper conductor, GAALTHERM® 530 thermoplastic insulation, optional anti-twisting textile reinforcement, and advanced polyurethane (PUR) outer sheath to deliver unmatched durability in demanding heavy-duty environments. Rated for 180 m/min maximum speed (with anti-twisting protection), −40 to +90°C temperature stability, and superior UV/chemical/oil resistance across 3–42 core configurations (0.5–10 mm² cross-section range and specialized multi-core power configurations), this robust cable solution provides comprehensive protection against mechanical fatigue, thermal cycling, environmental degradation, and rapid-deployment stress for motor reel hoists, transport systems, movable motors, agricultural equipment, and specialized heavy-machinery infrastructure.

Technical Department

on12/05/2026

FLEXIDRUM® R 502

FLEXIDRUM® R 502: Advanced Heavy-Duty Industrial Cable with PUR Polyurethane Sheath and GAALTHERM® 530 Insulation for Motor Hoist, Transport…

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3 Min Read

FLEXIDRUM® R 501 employs a unique dual-insulation system: EPR (Ethylene Propylene Rubber) for power conductors and cross-linked polyethylene (XLPE) for protective earth conductors. This architectural choice—uncommon in commercial reeling cables—reflects FeiChun's engineering solution to the demanding mechanical and thermal environment of underground mining.

Technical Department

on12/05/2026

FLEXIDRUM® R 501

FLEXIDRUM® R 501 employs a unique dual-insulation system: EPR (Ethylene Propylene Rubber) for power conductors and cross-linked polyethylene…

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5 Min Read

FLEXIDRUM® NSHTÖU (V): High-Flexibility Salt-Spray-Resistant Festoon Cable for Dynamic Port Terminal Applications Engineered for continuous rapid-deployment and high-cycling harbour equipment, FLEXIDRUM® NSHTÖU (V) combines tinned Class 5 flexible copper conductor, Kevlar central reinforcement, fire-resistant EPR insulation, and oil-resistant rubber outer sheath to deliver unmatched reliability in extreme salt-spray marine environments. Rated for 180 m/min maximum deployment speed, −25 to +90°C temperature stability, and 0.6/1 kV nominal specifications across 3–44 core configurations (0.5–10 mm² cross-section range), this advanced festoon solution provides comprehensive protection against corrosion, thermal cycling, mechanical flex-fatigue, and rapid-reeling stress for harbour cranes, container-handling spreader systems, dock-automation equipment, and specialized port terminal infrastructure.

Technical Department

on12/05/2026

NSHTÖU (V)

FLEXIDRUM® NSHTÖU (V): High-Flexibility Salt-Spray-Resistant Festoon Cable for Dynamic Port Terminal Applications Engineered for continuous…

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9 Min Read

FLEXIDRUM® NSHTÖU: EPR Elastomer High-Speed Industrial Reeling Cable for Mobile Equipment, Container Handlers, Festoon Chain Systems & Automated Warehouse Applications (0.6/1 kV Nominal, 4 kV Test Voltage, −20 to +90°C Operating Temperature with +250°C Short-Circuit Rating, Maximum Speed 120 m/min, Class 5 Tinned Flexible Copper Conductor per IEC 60228 & DIN VDE 0295, EPR Elastomer Insulation per DIN VDE 0207, Short-Lay Stranding Geometry with Non-Woven Tape Wrapping, Inner Sheath EPR Type GM1B, Textile Braid Anti-Twisting Protection, Black Rubber PCP Outer Sheath per DIN VDE 0473 Part 811-2-1, Self-Extinguishing Flame-Retardant per DIN VDE 0482 Part 265-2-1 & IEC 60332-1-2, Oil-Resistant per IEC 60811-2-1, Suitable for Reeling Application & Festoon Chain Mounting per DIN VDE 0250 Part 814, Standardized Portfolio 50+ Configurations Single-Core to Multi-Core with Control Cable Variants): Comprehensive Advanced EPR-Elastomer High-Speed Industrial Reeling Cable Architecture Analysis Integrating Ethylene-Propylene-Rubber Polymer Science, Reeling-Cycle Mechanical Fatigue Engineering, Festoon Chain-Application Stress Distribution, High-Speed Thermal Management (120 m/min Velocity Gradient Effects), Short-Circuit Transient Resilience (+250°C Conductor Temperature), Textile Anti-Twisting Braid Mechanics, Rubber PCP Outer-Sheath Chemical & Oil Resistance, Complete Flex-Life Optimization, and Industrial Mobile-Equipment Integration Strategies for Container Handling Systems, Automated Guided Vehicles (AGVs), Overhead Travelling Cranes with Reeling Power Distribution, Dock Automation, Warehouse Conveyor Networks, and Extreme-Flex Industrial Applications Demanding Simultaneous 10,000–100,000+ Reeling Cycles, Electrical Safety, Thermal Stability, and Mechanical Durability

Technical Department

on11/05/2026

NSHTÖU

FLEXIDRUM® NSHTÖU: EPR Elastomer High-Speed Industrial Reeling Cable for Mobile Equipment, Container Handlers, Festoon Chain Systems &…

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10 Min Read

GAALFLEX® SAFE CY: Shielded Intrinsically Safe Multi-Core Control Cable for Hazardous Area Measurement Systems (300/500 V Nominal, 3 kV Test Voltage per DIN EN 60079-14, −40 to +80°C Extreme Temperature Envelope, Class 5 Flexible Red Bare Copper per IEC 60228 and DIN VDE 0295, Tinned Copper Braid Electromagnetic Interference Screen with Optimized Capacitance

Technical Department

on11/05/2026

GAALFLEX® SAFE CY Lean

GAALFLEX® SAFE CY: Shielded Intrinsically Safe Multi-Core Control Cable for Hazardous Area Measurement Systems (300/500 V Nominal, 3 kV Test…

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8 Min Read

GAALFLEX® SAFE: Intrinsically Safe Multi-Core Control Cable for Hazardous Area Equipment (300/500 V Nominal, 3 kV Test Voltage per DIN EN 60079-14, −40 to +80°C Extreme Temperature Envelope, Class 5 Flexible Red Bare Copper per IEC 60228 and DIN VDE 0295, Blue PVC Type TM2 Outer Sheath per DIN VDE 0207, ATEX II 2G Intrinsic Safety Certification with Optimized Cable Capacitance/Inductance Parameters per EN 60079-14 Section 12.2.2, VDE 0165 Part 1 Approval, Flame-Retardant and Self-Extinguishing per DIN VDE 0482 part 332-1-2 / IEC 60332-1-2, Water-Resistant per IEC 60811-402 and EN 50396, Oil-Resistant per CEI 20-34/2-1, Low Halogenated Decomposition Products per EN 50267-2, 15×D Minimum Bending Radius for Flexible Installation in Hazardous Equipment, Multi-Core Architecture with 2 to 64 Core Configurations, 0.5 mm² to 10 mm² Cross-Section Range per Core, Standardized SKU Portfolio (60+ Configurations), Optional Color-Numbered Cores per EN 50334, Engineered for Oil & Gas Drilling Platforms, Underground Coal & Metal Mining Operations, Chemical Processing Plants, Pharmaceutical Manufacturing Facilities, Food & Beverage Processing in Hazardous Zones, Petrochemical Refineries, Explosive Atmosphere Detection and Control Systems, and Classified Hazardous Area Electrical Distribution): Comprehensive Advanced Intrinsic Safety Control Cable Architecture Analysis Integrating Explosion-Proof Certification Chemistry, Hazardous Area Compliance Mechanisms, Intrinsic Safety Parameter Design, Class 5 Ultra-Flexible Conductor Mechanics, Water-Immersion Durability Engineering, Safety Barrier Circuit Integration Strategies, Class I Division 1/2 Equipment Wiring Specifications, ATEX II 2G Safety-Critical Cable Design, and Next-Generation Hazardous-Area-Compliant Electrical Distribution for Class I Division 1/2, ATEX II 2G, and Classified Explosive Atmosphere Equipment Requiring Intrinsically Safe Multi-Core Control Cable with Proven Hazardous-Area-Grade PVC Chemistry, Extreme Temperature Stability (−40 to +80°C), DIN EN 60079-14 Intrinsic Safety Certification, IEC 60811-402 Water-Immersion Durability, CEI 20-34/2-1 Oil-Resistance, and Seamless Integration into Hazard-Compliant Electrical Distribution Architectures

Technical Department

on11/05/2026

GAALFLEX® SAFE

GAALFLEX® SAFE: Intrinsically Safe Multi-Core Control Cable for Hazardous Area Equipment (300/500 V Nominal, 3 kV Test Voltage per DIN EN…

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8 Min Read

GAALFLEX® VFD 600 XLPE/PVC: 600 V Low Voltage PWM Frequency Converter Motor Cable—Comprehensive Polymer Science, Electrical Engineering and Cost–Performance Analysis XLPE insulation (1–3% gel content) and PVC sheath cost-optimization strategy for North American low-voltage industrial markets; trade-off analysis versus halogen-free alternatives (LSZH, CPE, TPE); PWM inverter electromagnetic environment (1–5 kHz switching, 0.4–2 kV/μs voltage ramps, harmonic spectrum to 10 kHz, common-mode voltage transients); copper conductor skin-effect AC resistance elevation (65% increase at 5 kHz requiring 15–20% thermal derating for continuous duty); XLPE dielectric properties (frequency-dependent εᵣ, tan δ exponential growth, PDIV ~10–12 kV with 17× safety margin); PVC flame-retardancy chemistry (halogenated radical scavenging, VW-1/IEEE 1202/ICEA T-29-520 vertical propagation testing); three-phase red-copper conductors (ASTM B-3/B-8) with three-conductor earth-return grounding architecture; corrugated copper-tape screening (RFI/EMI suppression Class A/B); temperature range −40°C flexible to +90°C continuous; sixteen SKU configurations (16 AWG to 500 MCM); North American standards ecosystem (UL 44/1277, NEMA WC 57, IEEE 1202, ICEA T-29-520); MSHA approval for coal/mineral hazardous areas; life-cycle cost analysis and downtime economics; complete engineering dataset: 46+ performance tables, 19 chemical/electrical equations, 13 worked calculations.

Technical Department

on11/05/2026

GAALFLEX® VFD 600

GAALFLEX® VFD 600 XLPE/PVC: 600 V Low Voltage PWM Frequency Converter Motor Cable—Comprehensive Polymer Science, Electrical Engineering and…

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3 Min Read

GAALFLEX® VFD EMV-FC 2XSEHCHRH: 3.6/6 kV Medium Voltage Armored Halogen-Free Motor Cable—Comprehensive Polymer Chemistry, Thermal Physics and Mechanical Engineering Analysis Peroxide-initiated free-radical polymerization of XLPE insulation at 1–5% gel content enabling molecular C–C bridge network formation, glass-transition temperature elevation 10–15°C above virgin LDPE, creep activation energy reduction 45–60%; storage modulus (E') decline 2–3%/°C through transition zone; semi-conductive layer gradient conductivity (10⁻⁴ to 10⁻⁶ S/m) achieving electric-field smoothing; galvanized steel-wire armor (1770 MPa tensile, μᵣ~150–200) providing puncture and bite resistance; halogen-free phosphorous/nitrogen flame-retardant additives with zero HCl gas generation; 150 mm² Class 2 stranded copper conductor (435 A @ 70°C); frequency-converter RFI/EMI suppression (DIN EN 55011 Classes A1/B1); short-circuit thermal analysis (+250°C, Arrhenius activation energy 85–120 kJ/mol); complete engineering dataset with 48+ performance tables, 20 chemical/physical equations, 15 worked calculations.

Technical Department

on11/05/2026

Type 2XSEHCHRH GAALFLEX® VFD EMV-FC

GAALFLEX® VFD EMV-FC 2XSEHCHRH: 3.6/6 kV Medium Voltage Armored Halogen-Free Motor Cable—Comprehensive Polymer Chemistry, Thermal Physics and…

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7 Min Read

GAALFLEX® VFD EMV-FC 3GSEGCH: 3.6/6 kV Medium Voltage Halogen-Free Frequency Converter Motor Power Supply Cable with EPR Halogen-Free Rubber Insulation, Halogen-Free Type ST8 Jacket, Dual Red Copper Tape + Concentric Copper Screen Architecture, Semi-Conductive Layers, Class 2 Red Copper Conductors, EMC-Optimized RFI Shielding, Exceptional +250°C Short-Circuit Tolerance, 35–240 mm² Industrial Motor, 10×D Bending Radius, EN 50267/EN 50268/IEC 60754/IEC 61034 Halogen-Free/Smoke Compliance, Water & Explosion Hazard & Underground Burial | European Medium Voltage Halogen-Free Frequency Converter Motor Cable European standard 3.6/6 kV medium voltage halogen-free VFD motor power supply cable combining halogen-free EPR (ethylene propylene rubber) insulation with professional medium voltage engineering, semi-conductive layers, dual red copper tape + concentric copper screen shielding, zero-corrosive-gas and low-smoke outer jacket, EMC-optimized RFI protection, Class 2 stranded red copper conductors, and comprehensive safety-critical environment integration—addressing frequency converter controlled AC industrial motor drives in safety-sensitive facilities, medium voltage electrical systems (3.6/6 kV grids), explosion hazard area installation (ATEX), underwater/underground direct burial capability, zero halogen/zero corrosive gas emissions, exceptional short-circuit fault tolerance (+250°C), EMC-optimized frequency converter compatibility, and complete European medium voltage industrial automation infrastructure simultaneously.

Technical Department

on11/05/2026

GAALFLEX® VFD EMV-FC 3GSEGCH

GAALFLEX® VFD EMV-FC 3GSEGCH: 3.6/6 kV Medium Voltage Halogen-Free Frequency Converter Motor Power Supply Cable with EPR Halogen-Free Rubber…

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7 Min Read

GAALFLEX® VFD EMV-FC 3GSEGCY: 3.6/6 kV and 6/10 kV Medium Voltage Frequency Converter Motor Power Supply Cable with EPR Rubber Insulation, Dual Red Copper Tape + Concentric Copper Screen Architecture, Semi-Conductive Layers, Class 2 Red Copper Conductors, Red PVC ST2 Jacket, EMC-Optimized RFI Shielding, Exceptional +250°C Short-Circuit Tolerance, 35–240 mm² Industrial Motor, 10×D Bending Radius, DIN VDE 0482/EN 50265/IEC 60332 Compliance, Explosion Hazard & Underground Burial Certified | European Medium Voltage Frequency Converter Motor Cable European standard 3.6/6 kV and 6/10 kV dual-voltage medium voltage VFD motor power supply cable combining EPR (ethylene propylene rubber) insulation with professional medium voltage engineering, semi-conductive layers, dual red copper tape + concentric copper screen shielding, EMC-optimized RFI protection, Class 2 stranded red copper conductors, and comprehensive hazardous-environment integration—addressing frequency converter controlled AC industrial motor drives (large motors 35–240 mm²), medium voltage electrical systems (3.6/6 kV and 6/10 kV grids), explosion hazard area installation (ATEX), underground direct burial capability, exceptional short-circuit fault tolerance (+250°C), EMC-optimized frequency converter compatibility, and complete European medium voltage industrial automation infrastructure simultaneously.

Technical Department

on11/05/2026

GAALFLEX® VFD EMV-FC 3GSEGCY

GAALFLEX® VFD EMV-FC 3GSEGCY: 3.6/6 kV and 6/10 kV Medium Voltage Frequency Converter Motor Power Supply Cable with EPR Rubber Insulation,…

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