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High Tensile Strength

8 Min Read
BASKET SPREADER 750: Next-Generation Hoisting Cable Architecture The BASKET SPREADER 750 (3GSLTOE) represents a fundamental advancement in hoisting control cable design, specifically engineered for next-generation automated port crane systems operating under extreme environmental and operational constraints. Unlike the BASKET SPREADER 740's 300/500V AC specification, the 750 operates at 0.6/1kV AC with dual-voltage DC capability (0.9/1.8 kV)—a classification shift that enables: Higher power capacity – 2–3× greater amperage per conductor, enabling longer cable runs with lower voltage drop Medium-voltage infrastructure compatibility – Direct integration with port substation power distribution systems (0.6 kV = 600V three-phase industrial standard) DC dual-voltage operation – Simultaneous support for AC motor control and DC feedback/signaling circuits (0.9/1.8 kV DC margins) Extreme temperature capability – Operating range −50°C to +80°C (vs. SPREADER 740's −20°C to +60°C), addressing Arctic port terminals and tropical high-ambient scenarios Advanced insulation chemistry – GAALTHERM® 530 thermoplastic compound replaces standard PVC/PUR, delivering superior chemical resistance and thermal stability This cable bridges the gap between standard control cables (300/500V, limited temperature) and heavy industrial medium-voltage distribution cables, creating a purpose-built solution for modern automated gantry crane systems in global port terminals.
Technical Department
on17/06/2026

DR 730 P Highflex: высокогибкий барабанный кабель PUR/TMPU с UL/cUL AWM Style 21897 для тяжёлых динамических применений

DR 730 P Highflex — это высокогибкий барабанный кабель для тяжёлых механизмов и оборудования с высокими механическими нагрузками. Он применяется для моторных кабельных барабанов, подъёмников, транспортных систем, подвижных двигателей и сельскохозяйственных транспортных средств. Кабель имеет признание UL Style 21897, признание cUL, маркировку AWM I/II A/B 80°C 600V FT1 FT2, номинальное напряжение DIN VDE Uo/U 0,6/1 kV, напряжение UL 1000 V и напряжение cUL 600 V.
7 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
on17/06/2026

DR 720 P Highflex: высокогибкий барабанный кабель PUR/TMPU для тяжёлых механизмов, подъёмников, транспортных систем и подвижных двигателей

DR 720 P Highflex — это высокогибкий барабанный кабель для тяжёлых потребителей и оборудования с высокими механическими нагрузками. Он применяется, например, для моторных кабельных барабанов, подъёмников, транспортных систем, подвижных двигателей и сельскохозяйственных транспортных средств. Кабель рассчитан на номинальное напряжение Uo/U 0,6/1 kV, имеет оболочку PUR/TMPU, центральный несущий элемент, поддерживающий экран из высокотехнологичной нити и конструкцию, рассчитанную на интенсивную намотку и размотку.
7 Min Read
LIFT-2S (European) vs. LIFT-1S UL (North American): LIFT-2S characteristics: Voltage: 300/500V (European standard, lower voltage) Temperature: −40°C to +70°C (moderate range) Standards: VDE 0482 part 265-2-1, EN 50265-2-1, IEC 60332-1-2 Design philosophy: Safety by material redundancy (2 steel cores) Steel cores: 2× cores provide mechanical backup Conductor: Class 6 (European, ~150–200 wires per mm²) Cost: Lower (proven European manufacturing) Market: Europe, Asia-Pacific, most of world LIFT-1S UL characteristics: Voltage: 600V (North American standard, higher voltage) Temperature: −25°C to +105°C (extreme range, high-temp optimized) Standards: UL 2562, UL 62, CSA C22.2 No.210.2 Design philosophy: Safety by certification (single core + redundant control) Steel core: 1× core (sufficient with nylon covering) Conductor: Class M (UL, extra fine ~300+ wires per mm²) Cost: Higher (UL testing, certification documentation) Market: North America (USA, Canada), Mexico UL 2562 specialty certification: UL 2562 scope: Elevator and Dumbwaiter Cables Specific requirements: 1. Pendant cable design (cable hangs freely, no duct support) 2. Vertical orientation (designed for gravity-loaded suspension) 3. Repeated flex cycles (cable moves up/down frequently) 4. Safety-critical function (failure = personnel risk) Consequence: More stringent than general-purpose cables Testing includes: Bend cycle fatigue, heat aging, compression resistance Test procedures (unique to UL 2562): Bend cycle test: 1,000+ cycles at minimum bending radius Cable must pass insulation resistance after cycling Heat aging: 500+ hours at 105°C continuous Tensile strength retention minimum 70% Compression: 1,000+ hours under sustained compression Cable cross-section must not exceed 5% permanent deformation LIFT-2S (no UL 2562): Tests per VDE are less stringent on fatigue/cycling Assumes cable mostly static, not repeated flex Adequate for European elevator duty (lower speed, fewer cycles) LIFT-1S UL: All UL 2562 tests passed (proven for North American elevators) Faster cycle times, more frequent motion → more fatigue stress Extra testing ensures reliability under North American elevator duty Market requirement (regulatory): Europe/International: CE mark required (European conformity) VDE/EN/IEC standards sufficient No UL certification needed (not recognized in EU) LIFT-2S is sufficient North America (USA, Canada): UL certification mandatory for elevators UL 2562 specifically for elevator cables CSA dual certification required in Canada LIFT-2S NOT acceptable (lacks UL 2562) LIFT-1S UL mandatory Cost implication: UL certification: ~$5,000–15,000 per product per region Testing duration: 3–6 months per model Documentation: Comprehensive test reports, technical files Result: LIFT-1S UL 20–30% higher cost than equivalent European cable
Technical Department
on17/06/2026

DR 717 P Highflex: высокогибкий барабанный кабель PUR/TMPU для пружинных кабельных барабанов на сценах и в театрах

DR 717 P Highflex — это высокогибкий кабель для пружинных кабельных барабанов, применяемых на сценах и в театрах. Кабель разработан для намотки и размотки, имеет специально подобранную послойную скрутку вокруг центрального несущего элемента, оболочку PUR/TMPU, поддерживающий экран из высокотехнологичной нити, малый наружный диаметр, небольшой вес и высокую механическую стойкость.
7 Min Read
BASKET SPREADER 750: Next-Generation Hoisting Cable Architecture The BASKET SPREADER 750 (3GSLTOE) represents a fundamental advancement in hoisting control cable design, specifically engineered for next-generation automated port crane systems operating under extreme environmental and operational constraints. Unlike the BASKET SPREADER 740's 300/500V AC specification, the 750 operates at 0.6/1kV AC with dual-voltage DC capability (0.9/1.8 kV)—a classification shift that enables: Higher power capacity – 2–3× greater amperage per conductor, enabling longer cable runs with lower voltage drop Medium-voltage infrastructure compatibility – Direct integration with port substation power distribution systems (0.6 kV = 600V three-phase industrial standard) DC dual-voltage operation – Simultaneous support for AC motor control and DC feedback/signaling circuits (0.9/1.8 kV DC margins) Extreme temperature capability – Operating range −50°C to +80°C (vs. SPREADER 740's −20°C to +60°C), addressing Arctic port terminals and tropical high-ambient scenarios Advanced insulation chemistry – GAALTHERM® 530 thermoplastic compound replaces standard PVC/PUR, delivering superior chemical resistance and thermal stability This cable bridges the gap between standard control cables (300/500V, limited temperature) and heavy industrial medium-voltage distribution cables, creating a purpose-built solution for modern automated gantry crane systems in global port terminals.
Technical Department
on17/06/2026

DR 718 CP Highflex Reeling Cable: экранированный высокогибкий PUR/TMPU кабель для spring cable reels, театральных сцен и крановых стрел

DR 718 CP Highflex — это reeling cable with overall copper screen для spring cable reels, например на сценах в театрах, а также для применения как control cable in crane arms. Кабель имеет жилы из bare copper strands class 5, special polymer insulation, специально подобранную скрутку вокруг центрального несущего элемента, PUR/TMPU inner sheath, tinned copper braiding screen и чёрную PUR/TMPU outer sheath RAL 9005.
4 Min Read
PANZERFLEX-S / ELX (N)TSCGEWÖU: Micro-Filtered HEPR Rubber Insulation Chemistry, Red Polychloroprene (PCP) 5GM5-Grade Salt-Fog Resistant Outer Sheath, Semiconductive Field-Control Architecture, High-Flexibility Design for Port Reeling & Festoon Systems, Split Protective Earth Cores, Anti-Torsion Textile Braid, 3.6/6 kV through 12/20 kV Voltage Classes (18/30 kV Available on Request), Thermal Stability (-30°C to +90°C Flexible Operation), Environmental Durability (Salt-Fog, UV, Oil, Moisture Resistance), STS Container Cranes, Ship-to-Shore Cranes, Ship Loaders, Stacker Reclaimers, Excavators, Cable Reel Systems, Festoon Systems, High-Speed Reeling, Comparative Analysis vs. TENAX TTS and PROTOLON(SMK) Designs, European Port Terminal Field Performance Validation, and Complete Technical Specification Guidance
Technical Department
on25/04/2026

PANZERFLEX-S / ELX (N)TSCGEWÖU

PANZERFLEX-S / ELX (N)TSCGEWÖU: Micro-Filtered HEPR Rubber Insulation Chemistry, Red Polychloroprene (PCP) 5GM5-Grade Salt-Fog Resistant Outer Sheath, Semiconductive Field-Control Architecture, High-Flexibility Design for Port Reeling & Festoon Systems, Split Protective Earth Cores, Anti-Torsion Textile Braid, 3.6/6 kV through 12/20 kV Voltage Classes (18/30 kV Available on Request), Thermal Stability (-30°C to +90°C Flexible Operation), Environmental Durability (Salt-Fog, UV, Oil, Moisture Resistance), STS Container Cranes, Ship-to-Shore Cranes, Ship Loaders, Stacker Reclaimers, Excavators, Cable Reel Systems, Festoon Systems, High-Speed Reeling, Comparative Analysis vs. TENAX TTS and PROTOLON(SMK) Designs, European Port Terminal Field Performance Validation, and Complete Technical Specification Guidance
21 Min Read
The nominal outer diameter of NSHTÖU-J 4G50 (four 50 mm² power conductors plus one integrated green/yellow earth conductor, five total) is approximately 42.0–48.0 mm, whereas the equivalent 4x50 configuration (four 50 mm² power conductors only, four total, no dedicated earth conductor) is nominally approximately 38.5–44.5 mm, representing an outer diameter differential of roughly 3.5–4.0 mm in nominal specification ranges. This diameter increase in the 4G50 configuration reflects the spatial and mechanical requirements necessary to integrate the additional green/yellow earth conductor into the cable cross-section while maintaining proper insulation distances between all conductors, adequate mechanical spacing to distribute stress during high-speed reeling operations, and structural integrity under the extreme tensile loads encountered in port cranes, mining draglines, and industrial lifting applications. The 4G50 configuration typically exhibits copper content of approximately 1,920 kg/km (including the earth conductor), while 4x50 exhibits approximately 1,680–1,750 kg/km (earth conductor copper excluded), and total cable weight differs by approximately 300–400 kg/km, reflecting the substantial additional material required to safely integrate the fifth conductor. Both configurations comply with DIN VDE 0250-814 requirements for heavy-duty rubber reeling cables, but they serve different grounding architecture philosophies: the 4G50 is integrated-earth design (ground circuit built into the cable cross-section), while the 4x50 typically requires external earth/ground conductors or relies on external armor or cable tray grounding, making it more suitable for installations where ground paths can be established through equipment frames or external conductors.
Technical Department
on27/02/2026

What is the Outer Diameter Difference Between 4G50 and 4×50 in NSHTÖU-J 0.6/1kV Cable Specifications?

The nominal outer diameter of NSHTÖU-J 4G50 (four 50 mm² power conductors plus one integrated green/yellow earth conductor, five total) is approximately 42.0–48.0 mm, whereas the equivalent 4×50 configuration (four 50 mm² power conductors only, four total, no dedicated earth conductor) is nominally approximately 38.5–44.5 mm, representing an outer diameter differential of roughly 3.5–4.0 mm in nominal specification ranges. This diameter increase in the 4G50 configuration reflects the spatial and mechanical requirements necessary to integrate the additional green/yellow earth conductor into the cable cross-section while maintaining proper insulation distances between all conductors, adequate mechanical spacing to distribute stress during high-speed reeling operations, and structural integrity under the extreme tensile loads encountered in port cranes, mining draglines, and industrial lifting applications. The 4G50 configuration typically exhibits copper content of approximately 1,920 kg/km (including the earth conductor), while 4×50 exhibits approximately 1,680–1,750 kg/km (earth conductor copper excluded), and total cable weight differs by approximately 300–400 kg/km, reflecting the substantial additional material required to safely integrate the fifth conductor. Both configurations comply with DIN VDE 0250-814 requirements for heavy-duty rubber reeling cables, but they serve different grounding architecture philosophies: the 4G50 is integrated-earth design (ground circuit built into the cable cross-section), while the 4×50 typically requires external earth/ground conductors or relies on external armor or cable tray grounding, making it more suitable for installations where ground paths can be established through equipment frames or external conductors.
21 Min Read
Australia's iron ore ports operate under some of the world's most challenging environmental conditions for electrical equipment. Along the western coast where iron ore handling facilities concentrate — particularly in the Pilbara region and ports such as Port Hedland and Port Dampier — outdoor equipment is exposed to intense ultraviolet (UV) radiation, salt spray, high humidity, and atmospheric ozone generated by photochemical reactions in the air. Unlike mechanical damage, which operators can see and immediately respond to, UV and ozone degradation of cable outer sheaths occurs invisibly and progressively, weakening the insulation and mechanical integrity of trailing and reeling cables over months or years until catastrophic failure occurs. A 22 kV reeling cable serving a quayside crane, electric rope shovel, or dragline in an Australian iron ore port may spend 80 to 100 percent of its operational life outdoors, unshaded, with only brief periods of protection during maintenance shutdowns or storage. Prysmian Group and other leading cable manufacturers have documented that in tropical and subtropical coastal environments, conventional black polychloroprene (PCP) or chlorinated polyethylene (CPE) sheaths can lose 30 to 50 percent of their original tensile strength within 12 to 24 months of continuous outdoor exposure, while tearing energy and elongation-at-break characteristics degrade even more rapidly. This degradation directly translates to increased risk of cable cracking, puncture, and sheath failure during flexing, dragging, or impact — precisely the stresses experienced by reeling cables on active port machinery. 在澳洲铁矿港口，传统PCP或CPE护套的抗拉强度可在12至24个月内下降30至50%。
Technical Department
on26/02/2026

Protolon® (SM) vs. Type 450: Which 22kV Reeling Cable Offers Superior UV and Ozone Resistance for Australian Iron Ore Ports?

Australia’s iron ore ports operate under some of the world’s most challenging environmental conditions for electrical equipment. Along the western coast where iron ore handling facilities concentrate — particularly in the Pilbara region and ports such as Port Hedland and Port Dampier — outdoor equipment is exposed to intense ultraviolet (UV) radiation, salt spray, high humidity, and atmospheric ozone generated by photochemical reactions in the air. Unlike mechanical damage, which operators can see and immediately respond to, UV and ozone degradation of cable outer sheaths occurs invisibly and progressively, weakening the insulation and mechanical integrity of trailing and reeling cables over months or years until catastrophic failure occurs. A 22 kV reeling cable serving a quayside crane, electric rope shovel, or dragline in an Australian iron ore port may spend 80 to 100 percent of its operational life outdoors, unshaded, with only brief periods of protection during maintenance shutdowns or storage. Prysmian Group and other leading cable manufacturers have documented that in tropical and subtropical coastal environments, conventional black polychloroprene (PCP) or chlorinated polyethylene (CPE) sheaths can lose 30 to 50 percent of their original tensile strength within 12 to 24 months of continuous outdoor exposure, while tearing energy and elongation-at-break characteristics degrade even more rapidly. This degradation directly translates to increased risk of cable cracking, puncture, and sheath failure during flexing, dragging, or impact — precisely the stresses experienced by reeling cables on active port machinery. 在澳洲铁矿港口，传统PCP或CPE护套的抗拉强度可在12至24个月内下降30至50%。