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.

on16/06/2026

3GSEYQYMV Tunnel Power Cable: 18/30 kV средневольтный тоннельный силовой кабель с 3GI3 EPR изоляцией, медноленточным экраном и GSWB бронёй

3GSEYQYMV — это MV Tunnel Power Cable на 18/30 kV для шахт, подземных выработок и тоннельных применений. По предоставленным данным кабель имеет круглый многопроволочный отожжённый медный проводник class 2 по IEC 60228, 3GI3 type EPR Compound, внутренний и наружный полупроводящие слои управления электрическим полем, copper tapes over each main core, PVC filler, galvanized steel wire braid minimum 90% и красную flame retardant special PVC outer sheath.

FLEXIFESTOON® PV-FLAT UL: High-Flexibility Salt-Fog Resistant Flat Festoon Cable for Port Operations, Marine Equipment, and Harbor Automation Systems Feichun's FLEXIFESTOON® PV-FLAT UL establishes a new performance paradigm for port-duty electrical infrastructure by combining three critical engineering requirements into unified cable architecture: extreme mechanical flexibility enabling 5×D minimum bending radius and 120 m/min festoon deployment on container gantries and ship loaders; comprehensive salt-fog environmental resistance through specialized PVC compound formulation with enhanced corrosion inhibitors surviving ASTM B117 salt-spray testing protocols characteristic of extreme coastal and offshore environments; and verified 600V/2000V dual-voltage certification (UL 1581, CSA approved) supporting both power distribution and precision automation signal transmission across the world's most demanding port and maritime cargo-handling operations.

Technical Department

on16/06/2026

2XSEYQYMV Tunnel Power Cable: 6/10 kV средневольтный тоннельный силовой кабель с XLPE изоляцией, медноленточным экраном и GSWB бронёй

2XSEYQYMV — это MV Tunnel Power Cable на 6/10 kV для шахт, подземных выработок и тоннельных применений. По предоставленным данным кабель имеет круглый многопроволочный отожжённый медный проводник class 2 по IEC 60228, XLPE insulation, inner and outer semiconductive field control, copper tapes over each main core, PVC filler, galvanized steel wire braid minimum 90% и красную flame retardant special PVC outer sheath.

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

on16/06/2026

2XSEYQYMV Tunnel Power Cable: 6/10 kV средневольтный тоннельный силовой кабель с XLPE изоляцией, медноленточным экраном и GSWB бронёй

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

on16/06/2026

NTSKCGECWÖU: тяжёлый trailing cable для mobile electrical equipment, coal cutting machines и экстремальных изгибов в steel / plastic track chains

NTSKCGECWÖU — это средневольтный эластомерный кабель для подключения мобильного электрического оборудования в шахтах и тоннелях. По предоставленным данным он особенно подходит для coal cutting machines, прежде всего при extreme bending loads внутри steel or plastic track chains. Конструкция включает лужёные медные жилы DIN VDE 0295 Class 5, 3GI3 EPR и semiconductive rubber, cradle separator с контрольной проволокой, electrical field control, ST KON / ÜL KON элементы, GM1b inner sheath, гибкую броню из лужёной меди и оцинкованной стали, а также красную наружную оболочку 5GM5.

DS1N (also designated UNE 22513-1) represents an evolved generation of mining cable technology designed specifically for environments where electromagnetic interference (EMI) and signal integrity are as critical as mechanical durability. The standard specifies cables that combine the proven mechanical robustness of UNE 22511/22512 designs with the electromagnetic shielding technology required for control systems, signal circuits, and power distribution in complex underground installations. The defining characteristic of DS1N is the integration of a metal braid shield — typically tinned copper wire woven at high density around the cable core — combined with a symmetric earth architecture (3×S1 + 3×S2 distribution) that provides both electrical protection and mechanical balance. This combination addresses a critical operational requirement in modern mining: reducing noise and crosstalk in environments where control signals must coexist with high-power switching equipment, variable frequency drives, and long distribution runs to remote equipment.

Technical Department

on16/06/2026

(N)TSCGECWÖU – TBM: средневольтный reeling power supply cable для Tunnel Boring Machines и подземного тоннельного строительства

(N)TSCGECWÖU – TBM — это кабель для Tunnel Boring Machines, предназначенный для reeling power supply и применения в underground mines for tunnel constructions. По предоставленным данным он имеет гибкие лужёные медные проводники DIN VDE 0295 Class 5, 3GI3 EPR insulation, внутренний и наружный полупроводящие слои для electrical field control, PE-структуру из tinned copper / textile braiding вокруг каждой power core, контрольные жилы, overall concentric copper monitoring conductor, GM1b inner sheath и красную наружную оболочку 5GM5.

La vida útil de los cables móviles de carrete, festón y canasta depende, en gran medida, de la instalación y del diseño del sistema de enrollado. Este manual abarca radios de curvatura, guías, protección de tensión, anclaje, selección de carrete y eliminación de torsión, junto con los métodos eléctricos de capacidad de corriente, reducción (derating), caída de tensión y cortocircuito.

Technical Department

on16/06/2026

NTSCGEWÖU Flexible Trailing Cable: средневольтный гибкий кабель для экскаваторов, кранов, dumpers, mining и tunnelling applications

NTSCGEWÖU — это flexible trailing cable для подключения электрического оборудования и крупных material handling machines: экскаваторов, кранов и dumpers в горных и тоннельных применениях. По предоставленным данным кабель имеет лужёные медные жилы DIN VDE 0295 Class 5, EPR-изоляцию 3GI3, внутренний и наружный полупроводящие слои для electrical field control, PE-проводники с полупроводящим слоем, три контрольные жилы во внешних промежутках, GM1b внутреннюю оболочку, встроенную анти-торсионную синтетическую оплётку и красную наружную оболочку 5GM5.

Type SHD-GC 3/C 250 MCM 25kV trailing cable is rated for 400 amperes in controlled free-air environments and 320 amperes under typical mining duty cycles, with an outer diameter of 104 to 110 millimeters and total weight of approximately 10,500 to 11,500 kilograms per kilometer. The cable features three 250 MCM (approximately 127 mm²) phase conductors plus dedicated ground-check and grounding conductors, EPR insulation rated for 90°C continuous operation, and an outer sheath formulation in either heavy-duty CPE (chlorinated polyethylene) or upgraded TPU (polyurethane) designed for abrasion and tear resistance. However, the direct engineering answer to whether this cable can "handle" continuous granite dragging without supplementary protection is not a simple affirmation. Sharp granite and quartzite surfaces act as natural cutting tools under the sustained dragging loads of 3,000 to 8,000 newtons that are typical in dragline and shovel mining operations, and will progressively abrade even the most robust elastomer sheath formulations. Even cables featuring premium TPU jackets offering five times the abrasion resistance of standard CPE will experience significantly accelerated wear rates when dragged continuously across sharp granite compared to smoother surfaces. Therefore, the realistic answer requires an important qualification: the Type SHD-GC 3/C 250 MCM 25kV cable can indeed survive granite dragging operations, but only when supplemented with active protective strategies including cable handlers that minimize ground contact, polyurethane guard sleeves in high-wear sections, operational derating to reduce thermal stress that compounds mechanical wear, and proper cable routing that avoids the sharpest rock concentrations. Without these supplementary measures, the cable's service life in granite mining environments is reduced from the 5 to 10 years typical in moderate operating conditions to perhaps 2 to 3 years of intensive dragging. With proper protection strategies implemented from the outset, service life can be extended to 4 to 7 years—representing a substantial return on the modest investment in protective equipment and engineering attention.

Technical Department

on02/03/2026

Draglines & Shovels: Can Type SHD-GC 3/C 250 MCM 25kV Handle Continuous Dragging on Sharp Granite Rocks?

Type SHD-GC 3/C 250 MCM 25kV trailing cable is rated for 400 amperes in controlled free-air environments and 320 amperes under typical mining duty cycles, with an outer diameter of 104 to 110 millimeters and total weight of approximately 10,500 to 11,500 kilograms per kilometer. The cable features three 250 MCM (approximately 127 mm²) phase conductors plus dedicated ground-check and grounding conductors, EPR insulation rated for 90°C continuous operation, and an outer sheath formulation in either heavy-duty CPE (chlorinated polyethylene) or upgraded TPU (polyurethane) designed for abrasion and tear resistance. However, the direct engineering answer to whether this cable can “handle” continuous granite dragging without supplementary protection is not a simple affirmation. Sharp granite and quartzite surfaces act as natural cutting tools under the sustained dragging loads of 3,000 to 8,000 newtons that are typical in dragline and shovel mining operations, and will progressively abrade even the most robust elastomer sheath formulations. Even cables featuring premium TPU jackets offering five times the abrasion resistance of standard CPE will experience significantly accelerated wear rates when dragged continuously across sharp granite compared to smoother surfaces. Therefore, the realistic answer requires an important qualification: the Type SHD-GC 3/C 250 MCM 25kV cable can indeed survive granite dragging operations, but only when supplemented with active protective strategies including cable handlers that minimize ground contact, polyurethane guard sleeves in high-wear sections, operational derating to reduce thermal stress that compounds mechanical wear, and proper cable routing that avoids the sharpest rock concentrations. Without these supplementary measures, the cable’s service life in granite mining environments is reduced from the 5 to 10 years typical in moderate operating conditions to perhaps 2 to 3 years of intensive dragging. With proper protection strategies implemented from the outset, service life can be extended to 4 to 7 years—representing a substantial return on the modest investment in protective equipment and engineering attention.

TENAX-HTT (N)TSCGEWOEU 10 kV – 30 kV: Technical Guide for Extreme Duty High-Voltage Mining Cables for Underground Transformers and Tunneling Equipment

Technical Department

on24/11/2025

TENAX-HTT (N)TSCGEWOEU 10 kV – 30 kV

TENAX-HTT TSCGEWOEU, 10kV 30kV mining cable, high voltage underground cable, extreme duty mining cable, slow reeling cable, transformer connection cable, hazardous environment cable, VDE 0250-813, tunneling MV cable