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Reeling & Trailing Cables for Cranes & Mining — Feichun Special Cable Blogs
Technical Department
on11/06/2026

Что такое ÖLFLEX® TRAY II CY: экранированный Control Cable 0.6/1kV UL TC-ER 600V AWM WET OIL/SUN RES TRAY — инженерный анализ для промышленного оборудования, WTG, портов и тяжёлой техники

ÖLFLEX® TRAY II CY — это экранированный control cable класса 0.6/1 kV, предназначенный для промышленного машиностроения, plant engineering, кабельных лотков в США, tool machines, outdoor use, direct burial, wind turbine tray cable applications и EMC-sensitive environments. Его техническая ценность заключается в редком сочетании: UL TC-ER 600V, AWM WET, OIL RES I/II, SUN RES, DIR BUR, NFPA 70/NEC, NFPA 79 compliance, WTTC 1000V, aluminium-coated foil, tinned-copper braiding и наружная оболочка из specially formulated thermoplastic polymer. Для Feichun такая конструкция является сильным ориентиром экранированного tray cable; для портовых кранов, судоразгрузчиков, горнодобывающей техники и тяжёлых подвижных машин её необходимо дополнить анализом растяжения, истирания, динамического изгиба, torsion movement и фактической среды эксплуатации.
6 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
on11/06/2026

什么是 HoldMine КГпЭ 系列：6 kV 挖掘机与矿山移动设备柔性屏蔽动力电缆

HoldMine КГпЭ、КГпЭТ、КГпЭц、КГпЭНШ、КГпЭТБШ、КГпЭ1、КГпЭ2、КГпЭ-ХЛ、КГпЭ1-ХЛ、КГпЭц-ХЛ、КГпЭц-с 是一组额定电压 6 kV 的柔性屏蔽动力电缆，执行 ТУ 16.К73.064-2002，并符合 ГОСТ 31945-2012 要求。该系列用于挖掘机、其他移动机构或电气装置，在露天矿山、地下矿山、挖泥船和其他水上设施中连接到 中性点绝缘的 50 Hz 交流电网；主线芯额定电压为 6 kV，辅助线芯额定电压为 0.38 kV。
5 Min Read
What Are UNE 22560 and UNE 22561? Scope, Definitions, and Core Purpose The UNE 22560 and UNE 22561 standards represent the final and often most underestimated element of the Spanish and Latin American underground mining cable ecosystem. Where UNE 22511 and UNE 22512 govern the power distribution cables that energize mining equipment, the 22560 and 22561 standards govern the signal, control, and interlock cables that command and protect that equipment. These are the "nervous system" cables of a mine — the communication network that tells a continuous miner when to advance and when to halt, that triggers emergency stops, that monitors hoisting rope tension on shaft equipment, that controls conveyor sequencing, and that enables the protective interlocking that prevents a piece of equipment from operating unless all safety preconditions are met. UNE 22560 formally defines flexible multi-core cables for underground mining with voltage ratings up to 500 V or 0.6/1 kV, with no metallic armour protection — designed for installation within equipment enclosures, along protected cable trays in main gate roads, or in areas where mechanical damage risk is minimal. UNE 22561 is its armoured sister standard, incorporating steel wire braid or steel tape protection, specified for installation in rough terrain areas where mechanical damage from rock fall, equipment collision, or floor contact is a credible risk. Both standards mandate that the cable be designed as a multi-core concentric stranded bundle — not the parallel-laid three or four conductors common in power cables, but rather seven, twelve, nineteen, or more individually insulated cores twisted concentrically around a central axis, allowing compact packaging of numerous independent control circuits within a single cable jacket. The distinction between these standards is not merely mechanical armour presence or absence. Control cables are tested against an entirely different set of safety criteria than power cables because their failure mode is fundamentally different. A power cable failure results in loss of energy to equipment — dangerous but localized. A control cable failure can disable the interlock system that prevents a continuous miner from advancing into unsafe ground, or can disable the emergency stop circuit that should halt a conveyor if a worker falls into it. A control cable fire, burning in a tightly bundled cable tray with other control cables, must not spread flame between cables because control cables are typically routed in shared ducts and cable carriers where one cable's ignition could cascade to adjacent circuits. Therefore, control cables are tested for bundle flame propagation (EN 60332-3) rather than single-cable flame propagation tests — a more stringent requirement that demands careful attention to outer sheath formulation and cable spacing in bundle installation.
Technical Department
on11/06/2026

什么是 КГЭ, КГЭ-ХЛ, КГЭ-Т, КГЭТ, КГЭН：6 kV 矿山移动设备柔性屏蔽动力电缆

КГЭ、КГЭ-ХЛ、КГЭ-Т、КГЭТ、КГЭН 是额定电压 6 kV 的柔性屏蔽动力电缆，俄文资料定义为“Кабели силовые гибкие экранированные на напряжение 6 кВ”。它们用于露天和地下矿山作业中连接挖掘机、其他移动机构或电气装置到绝缘中性点交流网络，主线芯额定电压 6 kV，辅助线芯 380 V，频率至 50 Hz。该系列通过型号区分普通、耐寒、耐热、热带和地下不延燃等应用方向
5 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
on11/06/2026

什么是 КГЭШ, КГЭТШ：1.14 kV 井下矿用柔性屏蔽动力电缆

КГЭШ 与 КГЭТШ 是俄标体系下的井下矿用柔性屏蔽动力电缆。资料将其定义为：带铜导体、橡胶绝缘、弹性导电屏蔽、橡胶护套的矿用柔性动力电缆，额定交流电压为 1.14 kV，执行 ТУ 16.К73.012。这类电缆面向井下采矿设备、移动或半移动矿山机械、动力馈电与辅助回路组合供电场景，其设计重点不是固定敷设，而是在矿山环境中同时满足 柔性、屏蔽、阻燃、抗拉、抗扭、弯曲疲劳和电气安全
4 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
on11/06/2026

什么是 HoldMine КГЭЖ1, HoldMine КГЭЖ2：自走式矿车用柔性屏蔽动力电缆

HoldMine КГЭЖ1 和 HoldMine КГЭЖ2 是用于 самоходные вагоны 自走式矿车的柔性屏蔽动力电缆，资料定义为“Кабели силовые гибкие экранированные для самоходных вагонов”。它们用于将带电驱动的自走式矿车连接到 50 Hz 交流电网，额定电压为 1140 V。两者均采用第 5 类柔性铜导体、橡胶绝缘、导电橡胶个别屏蔽和聚氨酯护套；其中 HoldMine КГЭЖ2 采用双层热塑性聚氨酯护套，并在层间设置加强元素，具有更高的耐磨和抗撕裂能力
5 Min Read
FLEXIFESTOON® NE-FLAT (NGFLGÖU): Advanced High-Flexibility Anti-Salt Fog Port Cable for Maritime Cargo Handling and Marine Automation Systems Feichun's revolutionary FLEXIFESTOON® NE-FLAT NGFLGÖU flat cable combines extreme high-flexibility architecture with marine-grade anti-salt fog protection, engineered specifically for port automation infrastructure, cargo-handling festoon systems, and maritime equipment control requiring superior corrosion resistance and mechanical reliability through thousands of bending cycles in aggressive saltwater environments.
Technical Department
on11/06/2026

什么是 GOST КГЭЖ ：井下自走车辆用柔性屏蔽动力电缆

КГЭЖ 与 HoldMine КГЭпЖ 是用于地下采矿自走车辆的柔性屏蔽动力电缆，资料将其定义为 Кабели силовые гибкие экранированные для самоходных вагонов。它们服务的不是普通地面移动设备，而是 подземные горные работы 井下采矿作业中带电驱动的 самоходные вагоны 自走车辆。电缆主线芯用于 1140 V、50 Hz 交流动力供电，辅助线芯用于 220 V 辅助回路。其结构采用第 5 类多股铜导体、橡胶绝缘、导电橡胶屏蔽、合成线增强束、成型增强芯和耐油阻燃橡胶护套，核心目标是在狭窄、潮湿、磨损、弯折频繁的井下移动环境中，提供动力供电、辅助控制和屏蔽安全的统一电缆方案
4 Min Read
H07RN-F: Advanced High-Flexibility Salt-Fog Resistant Port Cable Engineering Solution Specialized rubber-sheathed electrical cable engineered for extreme maritime and coastal port environments. H07RN-F combines superior mechanical flexibility (4×D minimum fixed-laying bending radius, 6×D flexible-application capability) with comprehensive salt-fog environmental resistance, enabling reliable 450/750V power distribution and control signaling in container gantry systems, ship loaders, and port automation infrastructure where conventional cables fail within 6–12 months of deployment.
Technical Department
on11/06/2026

什么是 GOST/EAC КГЭС：自走式矿车用柔性屏蔽动力电缆

КГЭС 是一种用于 самоходные вагоны 自走式矿车的柔性屏蔽动力电缆，俄文资料定义为“Кабель силовой гибкий экранированный для самоходных вагонов”。它用于将带电驱动的自走式矿车连接到 50 Hz 交流电网，主线芯额定电压为 1140 V，辅助线芯额定电压为 220 V。该电缆采用第 5 类柔性铜导体、橡胶绝缘、导电橡胶个别屏蔽、合成线加强绞束和耐油不延燃橡胶护套，适合矿用移动车辆的弯曲、折弯、油污和单根敷设安全要求