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wharf crane cable

10 Min Read
crane cable range is a complete family of six specialised cable types engineered to cover every electrical and data connection on modern port cranes — from the simplest yard crane spreader circuit to the most complex automated STS crane with integrated fibre optic networking. The family is divided into two series: the WS-RLIN series for motorised cable reel systems, and the WS-SPRD series for gravity collector basket (festoon basket) systems. Every cable in the range shares a common engineering foundation: JIS C 3327 compliance for rubber-insulated machinery cables, chloroprene rubber (CR) sheathing for oil/ozone/UV resistance, EPR insulation rated to 90°C, and an ambient temperature range of −40°C to +90°C that covers every port environment on earth from arctic to tropical. Within this shared foundation, each cable type is differentiated by its reinforcement system, voltage class, conductor range, and application-specific optimisations.
Technical Department
on13/04/2026

WALSREEN® Complete Port Crane Cable Range

crane cable range is a complete family of six specialised cable types engineered to cover every electrical and data connection on modern port cranes — from the simplest yard crane spreader circuit to the most complex automated STS crane with integrated fibre optic networking. The family is divided into two series: the WS-RLIN series for motorised cable reel systems, and the WS-SPRD series for gravity collector basket (festoon basket) systems. Every cable in the range shares a common engineering foundation: JIS C 3327 compliance for rubber-insulated machinery cables, chloroprene rubber (CR) sheathing for oil/ozone/UV resistance, EPR insulation rated to 90°C, and an ambient temperature range of −40°C to +90°C that covers every port environment on earth from arctic to tropical. Within this shared foundation, each cable type is differentiated by its reinforcement system, voltage class, conductor range, and application-specific optimisations.
19 Min Read
WS-SPRD-HEXNCT was engineered specifically for this extreme duty class. Its defining characteristic is the HEXNCT enhanced chloroprene rubber sheath — a heavy-duty outer layer with thickness ranging from 4.5 mm to 5.1 mm, representing a 36–38% increase over the standard WS-SPRD-2PNCT's 3.3–3.7 mm sheath. This enhanced sheath provides a dramatically larger abrasion wear allowance at basket carrier contact points, greater resistance to mechanical impact from falling debris, and a more robust barrier against the chemical and environmental hazards of the container crane operating environment.
Technical Department
on13/04/2026

WALSREEN® WS-SPRD-HEXNCT Spreader Basket System Flexible Cable

WS-SPRD-HEXNCT was engineered specifically for this extreme duty class. Its defining characteristic is the HEXNCT enhanced chloroprene rubber sheath — a heavy-duty outer layer with thickness ranging from 4.5 mm to 5.1 mm, representing a 36–38% increase over the standard WS-SPRD-2PNCT’s 3.3–3.7 mm sheath. This enhanced sheath provides a dramatically larger abrasion wear allowance at basket carrier contact points, greater resistance to mechanical impact from falling debris, and a more robust barrier against the chemical and environmental hazards of the container crane operating environment.
20 Min Read
WS-SPRD-2PNCT was engineered specifically for this unforgiving application. It combines high-core-count construction (30, 36, or 42 cores at 3.5 mm²) to carry the full complement of spreader control and signal circuits in a single cable, steel-wire-stranded conductors for tension resistance under self-weight suspension, chloroprene rubber sheathing for oil, ozone, and UV resistance in coastal port environments, and a cable geometry specifically optimised for the continuous lateral bending and catenary formation cycles unique to gravity collector basket systems. Manufactured to dual standards — JIS C 3327 (rubber-insulated machinery cables) and VDE 0250-813 (flexible cables) — the WS-SPRD-2PNCT represents dedicated engineering for a niche but mission-critical application. A failed spreader basket cable means a stopped crane, a grounded spreader, and halted container operations. There is no redundancy — the cable is the sole electrical lifeline between the crane's trolley and the spreader that grips the containers.
Technical Department
on13/04/2026

WALSREEN® WS-SPRD-2PNCT Spreader Basket System Flexible Cable

WS-SPRD-2PNCT was engineered specifically for this unforgiving application. It combines high-core-count construction (30, 36, or 42 cores at 3.5 mm²) to carry the full complement of spreader control and signal circuits in a single cable, steel-wire-stranded conductors for tension resistance under self-weight suspension, chloroprene rubber sheathing for oil, ozone, and UV resistance in coastal port environments, and a cable geometry specifically optimised for the continuous lateral bending and catenary formation cycles unique to gravity collector basket systems. Manufactured to dual standards — JIS C 3327 (rubber-insulated machinery cables) and VDE 0250-813 (flexible cables) — the WS-SPRD-2PNCT represents dedicated engineering for a niche but mission-critical application. A failed spreader basket cable means a stopped crane, a grounded spreader, and halted container operations. There is no redundancy — the cable is the sole electrical lifeline between the crane’s trolley and the spreader that grips the containers.
25 Min Read
WS-RLIN-3PNCT-OF is the engineering answer to this convergence challenge. It integrates three-phase medium-voltage power conductors (3 × 38–60 mm² at AC 6,600 V) with a dedicated neutral/earth return conductor and six optical fibres housed in individually colour-coded ETFE protective tubes — all within a single Kevlar®-reinforced, chloroprene-sheathed cable construction. This hybrid design eliminates the need for separate power and fibre optic cables on the reel system, reducing reel complexity, installation time, maintenance burden, and total cable weight, while ensuring perfect synchronisation between power and data paths — because both travel through the same physical cable at all times.
Technical Department
on13/04/2026

WALSREEN® WS-RLIN-3PNCT-OF Hybrid Power & Fibre Optic Reel System Flexible Cable

WS-RLIN-3PNCT-OF is the engineering answer to this convergence challenge. It integrates three-phase medium-voltage power conductors (3 × 38–60 mm² at AC 6,600 V) with a dedicated neutral/earth return conductor and six optical fibres housed in individually colour-coded ETFE protective tubes — all within a single Kevlar®-reinforced, chloroprene-sheathed cable construction. This hybrid design eliminates the need for separate power and fibre optic cables on the reel system, reducing reel complexity, installation time, maintenance burden, and total cable weight, while ensuring perfect synchronisation between power and data paths — because both travel through the same physical cable at all times.
19 Min Read
WS-RLIN-2PNCT-KB was engineered specifically to solve this challenge. Its defining innovation is a Kevlar® aramid fibre reinforcing layer — the same poly-paraphenylene terephthalamide material used in military-grade ballistic body armour — woven into a proprietary helical braid pattern that distributes tensile load uniformly across the cable's cross-section. This Kevlar reinforcement delivers tensile strength comparable to steel braid at a fraction of the weight, eliminates the fatigue-induced wire breakage that plagues conventional steel-armoured reeling cables, and maintains exceptional flexibility throughout the cable's operational life.
Technical Department
on13/04/2026

WALSREEN® WS-RLIN-2PNCT-KB Reel System Flexible Cable

WS-RLIN-2PNCT-KB was engineered specifically to solve this challenge. Its defining innovation is a Kevlar® aramid fibre reinforcing layer — the same poly-paraphenylene terephthalamide material used in military-grade ballistic body armour — woven into a proprietary helical braid pattern that distributes tensile load uniformly across the cable’s cross-section. This Kevlar reinforcement delivers tensile strength comparable to steel braid at a fraction of the weight, eliminates the fatigue-induced wire breakage that plagues conventional steel-armoured reeling cables, and maintains exceptional flexibility throughout the cable’s operational life.
19 Min Read
FSTN-OFNCT is a high-performance optical fiber flexible cable designed specifically for signal and data transmission on port cranes, ship unloaders, container gantry cranes, and heavy-duty material handling equipment. Unlike conventional industrial fibre optic cables that rely on standard polymer or steel-wire tensile members, the WS-FSTN-OFNCT incorporates a Kevlar® (para-aramid) fibre reinforcement layer—the same ballistic-grade material used in bulletproof vests and military-grade protective equipment—braided in a proprietary pattern that delivers exceptional tensile strength while preserving the cable's full flexibility under continuous reeling and festoon operation.
Technical Department
on13/04/2026

Kevlar® Aramid Fibre Reinforced Optical Fiber Flexible Cable with Specially Braided Tensile Layer for Signal and Data Transmission on Port Cranes, Ship Unloaders, Container Gantry Cranes, and Heavy-Duty Material Handling Equipment — Engineered for Cable Reel Systems, Festoon Systems, and Continuous Flexing Applications with Graded Index 50/125, 62.5/125, and Singlemode E9/125 Fibre Options

FSTN-OFNCT is a high-performance optical fiber flexible cable designed specifically for signal and data transmission on port cranes, ship unloaders, container gantry cranes, and heavy-duty material handling equipment. Unlike conventional industrial fibre optic cables that rely on standard polymer or steel-wire tensile members, the WS-FSTN-OFNCT incorporates a Kevlar® (para-aramid) fibre reinforcement layer—the same ballistic-grade material used in bulletproof vests and military-grade protective equipment—braided in a proprietary pattern that delivers exceptional tensile strength while preserving the cable’s full flexibility under continuous reeling and festoon operation.
7 Min Read
WS-FSTN-3PNCT fills a critical gap in the festoon cable product range: it provides the mechanical reinforcement of 3PNCT construction — the dedicated textile reinforcing layer that protects against impact, crush, and abrasion — without the weight and cost of a metallic shield braid. This makes it the optimal choice for power distribution and discrete control circuits in harsh mechanical environments where EMI shielding is not required but standard 2PNCT cables cannot survive.
Technical Department
on10/04/2026

WALSTOON® WS-FSTN-3PNCT Festoon System Flexible Cable

WS-FSTN-3PNCT fills a critical gap in the festoon cable product range: it provides the mechanical reinforcement of 3PNCT construction — the dedicated textile reinforcing layer that protects against impact, crush, and abrasion — without the weight and cost of a metallic shield braid. This makes it the optimal choice for power distribution and discrete control circuits in harsh mechanical environments where EMI shielding is not required but standard 2PNCT cables cannot survive.
11 Min Read
WS-FSTN-3PNCT-SB represents the premium tier of the WALSTOON festoon cable family — a cable engineered for applications where standard 2PNCT construction does not provide sufficient mechanical protection. The critical difference is in the designation: 3PNCT versus 2PNCT. The "3" indicates a three-layer sheathing system that includes a dedicated textile reinforcing layer between the core bundle and the outer sheath — a layer that the standard 2PNCT construction does not have. In practice, this reinforcing layer transforms the cable from a flexible electrical conductor into a mechanically reinforced structure that resists impact damage, crushing forces, abrasion penetration, and tensile stress far beyond the capability of standard 2PNCT cables. When a festoon cable runs through a harsh environment — exposed to falling debris from bulk cargo operations, crushed between moving crane structures, subjected to extreme tensile loading during emergency stops, or dragged across abrasive steel surfaces — the reinforcing layer provides the mechanical margin of safety that prevents cable failure. Combined with the tinned copper shield braid for EMI protection, the WS-FSTN-3PNCT-SB delivers dual-layer protection: electromagnetic shielding for signal integrity, and mechanical reinforcement for physical survivability. This combination makes it the cable of choice for the most demanding festoon system positions — particularly on grab-type ship unloaders, heavy-duty overhead cranes in steel mills and foundries, and any application where the cable is exposed to significant mechanical abuse beyond normal festoon system operation.
Technical Department
on10/04/2026

WALSTOON® WS-FSTN-3PNCT-SB Festoon System Flexible Cable

WS-FSTN-3PNCT-SB represents the premium tier of the WALSTOON festoon cable family — a cable engineered for applications where standard 2PNCT construction does not provide sufficient mechanical protection. The critical difference is in the designation: 3PNCT versus 2PNCT. The “3” indicates a three-layer sheathing system that includes a dedicated textile reinforcing layer between the core bundle and the outer sheath — a layer that the standard 2PNCT construction does not have. In practice, this reinforcing layer transforms the cable from a flexible electrical conductor into a mechanically reinforced structure that resists impact damage, crushing forces, abrasion penetration, and tensile stress far beyond the capability of standard 2PNCT cables. When a festoon cable runs through a harsh environment — exposed to falling debris from bulk cargo operations, crushed between moving crane structures, subjected to extreme tensile loading during emergency stops, or dragged across abrasive steel surfaces — the reinforcing layer provides the mechanical margin of safety that prevents cable failure. Combined with the tinned copper shield braid for EMI protection, the WS-FSTN-3PNCT-SB delivers dual-layer protection: electromagnetic shielding for signal integrity, and mechanical reinforcement for physical survivability. This combination makes it the cable of choice for the most demanding festoon system positions — particularly on grab-type ship unloaders, heavy-duty overhead cranes in steel mills and foundries, and any application where the cable is exposed to significant mechanical abuse beyond normal festoon system operation.
10 Min Read
WS-FSTN-2PNCT is the foundation cable of the WALSTOON festoon system product family — a high-performance, unshielded, rubber-insulated flexible cable engineered for the demanding mechanical and environmental conditions of port gantry cranes, ship unloaders, cable chain systems, and industrial overhead cranes. With the widest configuration range in the WALSTOON product line — from single-conductor 250 mm² power cables capable of carrying hundreds of amperes to compact 30-core × 0.75 mm² multi-circuit control cables — the WS-FSTN-2PNCT addresses every power distribution and discrete control requirement on a crane festoon system.
Technical Department
on10/04/2026

WALSTOON® WS-FSTN-2PNCT Festoon System Flexible Cable

WS-FSTN-2PNCT is the foundation cable of the WALSTOON festoon system product family — a high-performance, unshielded, rubber-insulated flexible cable engineered for the demanding mechanical and environmental conditions of port gantry cranes, ship unloaders, cable chain systems, and industrial overhead cranes. With the widest configuration range in the WALSTOON product line — from single-conductor 250 mm² power cables capable of carrying hundreds of amperes to compact 30-core × 0.75 mm² multi-circuit control cables — the WS-FSTN-2PNCT addresses every power distribution and discrete control requirement on a crane festoon system.
14 Min Read
WS-FSTN-2PNCT-SB is a comprehensive-range festoon system flexible cable designed to meet the diverse wiring requirements of port gantry cranes, ship unloaders, cable chain systems, and industrial overhead crane applications. While its sibling product — the WS-FSTN-2PNCT-PSB — features Kevlar® para-aramid fibre reinforcement for extreme tensile applications, the WS-FSTN-2PNCT-SB focuses on delivering the widest possible range of core configurations with reliable tinned copper shield braiding, covering everything from compact 2-core signal cables to high-density 30-core multi-circuit cables and paired-core variants for balanced signal transmission.
Technical Department
on10/04/2026

WALSTOON® WS-FSTN-2PNCT-SB Festoon System Flexible Cable

WS-FSTN-2PNCT-SB is a comprehensive-range festoon system flexible cable designed to meet the diverse wiring requirements of port gantry cranes, ship unloaders, cable chain systems, and industrial overhead crane applications. While its sibling product — the WS-FSTN-2PNCT-PSB — features Kevlar® para-aramid fibre reinforcement for extreme tensile applications, the WS-FSTN-2PNCT-SB focuses on delivering the widest possible range of core configurations with reliable tinned copper shield braiding, covering everything from compact 2-core signal cables to high-density 30-core multi-circuit cables and paired-core variants for balanced signal transmission.
16 Min Read
Festoon cables on port gantry cranes and ship unloaders endure some of the most punishing operating conditions in industrial cable engineering. Every time the crane trolley travels along its rail, the festoon cable is dragged, flexed, accelerated, and decelerated across spans of 100–300 metres. The cable must support its own suspended weight between trolley hangers, absorb dynamic shock loads during emergency stops, withstand continuous wind-induced vibration in exposed coastal environments, and resist the corrosive effects of saltwater spray, UV radiation, and airborne industrial contaminants — all while maintaining electrical continuity and signal integrity for safety-critical crane control systems.
Technical Department
on10/04/2026

WALSTOON® WS-FSTN-2PNCT-PSB Festoon System Flexible Cable

AC 600V Festoon System Flexible Cable with Kevlar® Para-Aramid Fibre Braided Tensile Reinforcement Layer, JIS C 3327 Compliant, −40°C to +90°C Operating Range, Oil-Resistant, Flame-Retardant — Engineered for Port Gantry Cranes, Ship-to-Shore Unloaders, Container Handling Equipment, and Heavy-Duty Cable Chain Applications
19 Min Read
In the demanding world of surface mining operations, dragline excavators and mobile material handling equipment rely on high-voltage flexible cables to deliver continuous electrical power as these massive machines traverse mining sites. The choice between Type 450 and Type 455 cables manufactured to AS/NZS 2802:2000 standards represents a critical engineering decision that directly impacts equipment reliability, operational costs, and cable service life. Both cable types are designed for voltage ratings from 3.3 kilovolts to 33 kilovolts, with operational temperatures spanning from negative 25 degrees Celsius to positive 90 degrees Celsius, making them suitable for the diverse environmental conditions encountered in Australian mining operations
Technical Department
on29/01/2026

Dragline Cables 22kV/33kV: Type 450 vs Type 455 — Which Design Delivers Superior Longevity for Reeling and Trailing Applications?

In the demanding world of surface mining operations, dragline excavators and mobile material handling equipment rely on high-voltage flexible cables to deliver continuous electrical power as these massive machines traverse mining sites. The choice between Type 450 and Type 455 cables manufactured to AS/NZS 2802:2000 standards represents a critical engineering decision that directly impacts equipment reliability, operational costs, and cable service life. Both cable types are designed for voltage ratings from 3.3 kilovolts to 33 kilovolts, with operational temperatures spanning from negative 25 degrees Celsius to positive 90 degrees Celsius, making them suitable for the diverse environmental conditions encountered in Australian mining operations
16 Min Read
The proper application of tightening torque to phase connectors in high-voltage cable terminations is one of the most critical yet frequently overlooked aspects of electrical installation work. When terminating Type 450 cables at 33kV, the connector torque directly determines the quality and reliability of the electrical connection, affecting both the immediate performance and long-term service life of the installation. Understanding the correct torque specifications and their underlying principles is essential for ensuring safe, code-compliant, and maintenance-free operation in demanding mining and industrial environments. 在高压电缆终端中对相连接器施加正确的紧固扭矩是电气安装工作中最关键但经常被忽视的方面之一。在33kV终接Type 450电缆时，连接器扭矩直接决定电气连接的质量和可靠性。
Technical Department
on27/01/2026

Torque Settings: What is the Recommended Tightening Torque for Phase Connectors in a Type 450 33kV Termination?

The proper application of tightening torque to phase connectors in high-voltage cable terminations is one of the most critical yet frequently overlooked aspects of electrical installation work. When terminating Type 450 cables at 33kV, the connector torque directly determines the quality and reliability of the electrical connection, affecting both the immediate performance and long-term service life of the installation. Understanding the correct torque specifications and their underlying principles is essential for ensuring safe, code-compliant, and maintenance-free operation in demanding mining and industrial environments. 在高压电缆终端中对相连接器施加正确的紧固扭矩是电气安装工作中最关键但经常被忽视的方面之一。在33kV终接Type 450电缆时，连接器扭矩直接决定电气连接的质量和可靠性。
23 Min Read
What is TYPE 450 1.1 to 33kV Mining Cables to AS/NZS 2802:2000?
Technical Department
on14/11/2025

What is TYPE 450 1.1 to 33kV Mining Cables to AS/NZS 2802:2000?

TYPE 450 cables occupy a critical position within this standard as Class 2 cables, distinguished by their incorporation of semiconductive screening systems essential for medium to high voltage applications. The designation “Type 450” refers to the cable’s construction classification within AS/NZS 2802:2000, with the numeric suffix (450.3, 450.6, 450.11, 450.22, 450.33) indicating the voltage rating in kilovolts. These cables are specifically engineered for slow reeling and trailing applications where equipment such as draglines, excavators, and wharf cranes requires flexible power connections that can withstand thousands of reeling cycles while maintaining electrical integrity and mechanical reliability.